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NEET ]1[ Contd...

NEET Biology - Structural Organisation in Animals

Duration: 150 minutesTotal Marks: 600Questions: 150Negative Marking: -1

Instructions:

  1. Each question has four options (1), (2), (3), (4). Choose the most correct answer.
  2. Each correct answer carries 4 marks.
  3. Each wrong answer will deduct 1 marks.
  4. Unanswered questions will not be penalised.
1.Which statement correctly defines a tissue as used in the uploaded chapter?
(1)A group of dissimilar organs performing a common function
(2)A group of similar cells along with intercellular substances performing a specific function
(3)Any organ made of only one tissue type
(4)A collection of organ systems performing digestion and respiration
2.Identify the correct sequence of biological organisation emphasised in the chapter.
(1)Cell → tissue → organ → organ system
(2)Tissue → cell → organ system → organ
(3)Cell → organ → tissue → organ system
(4)Organ system → organ → tissue → cell
3.All complex animals are said to consist of only four basic types of:
(1)organs
(2)organ systems
(3)tissues
(4)cells
4.Which option is an example set of organs exactly named in the chapter as being formed by tissues?
(1)Stomach, lung, heart and kidney
(2)Liver, spleen, brain and gonad
(3)Kidney, ovary, pancreas and spleen
(4)Heart, trachea, intestine and thymus
5.When two or more organs perform a common function through physical and/or chemical interaction, they form a/an:
(1)tissue
(2)organ system
(3)organ
(4)cellular aggregation
6.Which of the following is NOT one of the four tissue types stated for the heart in the chapter?
(1)Epithelial
(2)Connective
(3)Muscular
(4)Vascular
7.Given below are statements about multicellular organisation. A. Unicellular organisms perform functions through a single cell. B. In multicellular animals, functions are carried out by groups of cells. C. Hydra is mentioned as a complex vertebrate example. D. Division of labour contributes to survival.

Choose the correct statements.
(1)A, B and D only
(2)A and C only
(3)B, C and D only
(4)A, B, C and D
8.Assertion A: Organ-system level organisation allows better coordinated activity of millions of cells. Reason R: Organs are formed when basic tissues organise and then associate into organ systems.
(1)Both A and R are true, and R correctly explains A
(2)Both A and R are true, but R does not explain A
(3)A is true but R is false
(4)A is false but R is true
9.Which pair is incorrectly matched?
(1)Morphology — study of form or externally visible features
(2)Animal morphology — external appearance of organs or body parts
(3)Anatomy — study of internal organs in animals
(4)Morphology in plants — study of blood vascular system
10.Match List-I with List-II. List-I: A. Morphology B. Anatomy C. Organ system D. Tissue. List-II: i. Similar cells with intercellular substances ii. Common function by organs iii. External visible features iv. Internal organs in animals.
(1)A-iii, B-iv, C-ii, D-i
(2)A-iv, B-iii, C-i, D-ii
(3)A-iii, B-ii, C-iv, D-i
(4)A-i, B-iv, C-iii, D-ii
11.Frogs are classified in the chapter as belonging to:
(1)Class Reptilia, phylum Chordata
(2)Class Amphibia, phylum Chordata
(3)Class Amphibia, phylum Arthropoda
(4)Class Pisces, phylum Chordata
12.The most common species of frog found in India, as stated in the PDF, is:
(1)Rana tigrina
(2)Hydra vulgaris
(3)Bufo melanostictus
(4)Rana hexadactyla
13.Which statement best explains why frogs are called poikilotherms in the chapter?
(1)Their blood has haemoglobin
(2)Their body temperature varies with environmental temperature
(3)They perform pulmonary respiration
(4)They pass urine through cloaca
14.The ability of frogs to change colour and hide from enemies is called:
(1)hibernation
(2)aestivation
(3)camouflage
(4)pulmonary respiration
15.In the PDF, protective coloration in frogs is called:
(1)mimicry
(2)aestivation
(3)cutaneous respiration
(4)single circulation
16.Which option correctly matches seasonal behaviour of frogs?
(1)Summer sleep—hibernation; winter sleep—aestivation
(2)Summer sleep—aestivation; winter sleep—hibernation
(3)Summer sleep—mimicry; winter sleep—camouflage
(4)Summer sleep—pulmonary respiration; winter sleep—cutaneous respiration
17.Identify the incorrect statement about frog general features.
(1)Frogs can live both on land and in freshwater.
(2)Frogs have constant body temperature independent of environment.
(3)Frogs may hide from enemies by colour change.
(4)Frogs take shelter in burrows during extreme seasons.
18.Statements: A. Frogs are cold-blooded. B. Frogs are not seen during peak summer and winter. C. Frogs take shelter in deep burrows in extreme seasons. D. Rana tigrina is stated as the least common species in India. Choose the correct set.
(1)A, B and C only
(2)B and D only
(3)A, C and D only
(4)A, B, C and D
19.Assertion A: Frogs may not be seen during peak summer and winter. Reason R: During these periods, they take shelter in deep burrows to avoid extreme heat and cold.
(1)Both A and R are true, and R correctly explains A
(2)Both A and R are true, but R does not explain A
(3)A is true but R is false
(4)A is false but R is true
20.Which combination contains only terms related to thermoregulation/seasonal protection in the PDF?
(1)Poikilotherm, aestivation, hibernation
(2)Villi, microvilli, chyme
(3)Pericardium, vena cava, conus arteriosus
(4)Mesorchium, Bidder’s canal, vasa efferentia
21.Which statement cannot be inferred from the PDF?
(1)Frogs live both on land and in freshwater.
(2)Frogs change colour for concealment.
(3)Frogs are mammals because they have lungs.
(4)Frogs are vertebrates as represented in the chapter.
22.Match the terms. A. Poikilotherm B. Camouflage C. Mimicry D. Aestivation. i. Protective coloration ii. Summer sleep iii. Variable body temperature iv. Hiding by colour change.
(1)A-iii, B-iv, C-i, D-ii
(2)A-i, B-ii, C-iii, D-iv
(3)A-iii, B-i, C-iv, D-ii
(4)A-iv, B-iii, C-ii, D-i
23.Which option is a correct statement about frog habitat and classification?
(1)Frogs live only in freshwater and belong to Pisces.
(2)Frogs live both on land and in freshwater and belong to Amphibia.
(3)Frogs live only on land and belong to Reptilia.
(4)Frogs live in marine water and belong to Mollusca.
24.The PDF describes frogs as taking shelter in deep burrows mainly to protect against:
(1)predators only
(2)lack of food only
(3)extreme heat and cold
(4)only excess water
25.Which pair is wrongly matched as per the PDF?
(1)Rana tigrina — common frog found in India
(2)Winter sleep — hibernation
(3)Summer sleep — aestivation
(4)Cold-blooded — constant body temperature
26.Why is frog skin smooth and slippery?
(1)Presence of scales
(2)Presence of mucus
(3)Presence of feathers
(4)Absence of vascularisation
27.The frog never drinks water because it:
(1)stores all water in the gall bladder
(2)absorbs water through the skin
(3)converts urea into water
(4)absorbs water only through lungs
28.Choose the correct colour description of frog body surfaces.
(1)Dorsal pale yellow; ventral olive green with dark spots
(2)Dorsal olive green with dark irregular spots; ventral uniformly pale yellow
(3)Both dorsal and ventral sides uniformly dark black
(4)Dorsal red; ventral olive green with regular stripes
29.The body of frog is divisible into:
(1)head, neck and trunk
(2)head and trunk only
(3)head, trunk and tail
(4)cephalothorax and abdomen
30.Which external feature is located above the mouth?
(1)A pair of nostrils
(2)A pair of tympana
(3)Copulatory pads
(4)Vocal sacs only
31.The nictitating membrane in frog is associated with:
(1)respiration through skin
(2)protection of eyes while in water
(3)storage of bile
(4)passing urine to exterior
32.Membranous tympanum in frog:
(1)is present on either side of eyes and receives sound signals
(2)is present inside stomach and secretes HCl
(3)is the urinary opening in females
(4)is a fold attaching testes to kidneys
33.Which activities are helped by forelimbs and hind limbs according to the PDF?
(1)Swimming, walking, leaping and burrowing
(2)Only swimming and flying
(3)Only respiration and digestion
(4)Only sound production and balancing
34.Which statement about digits in frog is correct?
(1)Hind limbs end in four digits; forelimbs end in five digits.
(2)Both forelimbs and hind limbs end in five digits.
(3)Hind limbs end in five digits; forelimbs end in four digits.
(4)Both forelimbs and hind limbs end in four digits.
35.Webbed digits of frog feet help mainly in:
(1)swimming
(2)sound reception
(3)bile storage
(4)blood pumping
36.Which feature distinguishes male frogs from female frogs in the PDF?
(1)Males have a urinary bladder; females do not.
(2)Males have sound-producing vocal sacs and a copulatory pad on first digit of forelimbs.
(3)Males have five forelimb digits; females have four.
(4)Males have no tympanum; females have tympanum.
37.Statements about frog morphology: A. Skin is moist and slippery due to mucus. B. Frog drinks water frequently through mouth. C. Neck and tail are absent. D. Eyes are bulged and covered by nictitating membrane.

Choose the correct statements.
(1)A, C and D only
(2)A and B only
(3)B, C and D only
(4)A, B, C and D
38.Identify the incorrectly matched pair.
(1)Dorsal side — olive green with dark irregular spots
(2)Ventral side — uniformly pale yellow
(3)Nictitating membrane — protects eyes in water
(4)Webbed digits — help in burrowing only
39.Refer to Figure 7.1 type external features. Which label-function pair is most appropriate?
(1)Tympanum — receives sound signals
(2)Eye — stores bile
(3)Hind limb — produces pancreatic juice
(4)Fore limb — secretes mucus only
40.In frog sexual dimorphism, which structure is present on the first digit of the forelimbs of males?
(1)Copulatory pad
(2)Nictitating membrane
(3)Foramen magnum
(4)Mesorchium
41.Match List-I with List-II. A. Skin B. Nictitating membrane C. Tympanum D. Webbed digits. i. Receives sound ii. Moist/slippery due mucus iii. Swimming iv. Protects eyes in water.
(1)A-ii, B-iv, C-i, D-iii
(2)A-iv, B-ii, C-iii, D-i
(3)A-ii, B-i, C-iv, D-iii
(4)A-iii, B-iv, C-i, D-ii
42.Which statement is NOT true for frog according to morphology section?
(1)The body lacks a neck.
(2)The body lacks a tail.
(3)The body has head and trunk.
(4)The body is divided into head, trunk and tail.
43.Long-option question: Select the correct combination for male frog external features. A. Vocal sacs present B. Copulatory pad on first digit of forelimbs C. Female-only nictitating membrane D. Sexual dimorphism
(1)A, B and D only
(2)A and C only
(3)B, C and D only
(4)A, B, C and D
44.If a student marks 'frogs drink water through mouth' because most animals drink water, what is the exact NCERT/PDF correction?
(1)Frogs drink through mouth only in summer.
(2)Frogs never drink water but absorb it through skin.
(3)Frogs drink through tympanum.
(4)Frogs drink only through lungs.
45.Which pair of body surface colours is most likely to test careless reading?
(1)Dorsal olive green with dark irregular spots; ventral pale yellow
(2)Dorsal pale yellow; ventral olive green with dark irregular spots
(3)Dorsal white; ventral black
(4)Dorsal blue; ventral red
46.The digestive system of frog consists of:
(1)only alimentary canal
(2)alimentary canal and digestive glands
(3)kidney and ureter
(4)heart and blood vessels
47.Why is the alimentary canal of frog short?
(1)Because frogs are herbivores with long intestine
(2)Because frogs are carnivores and intestine is reduced
(3)Because frogs lack stomach
(4)Because frogs digest only cellulose
48.Which sequence correctly shows the early passage of food?
(1)Mouth → buccal cavity → pharynx → oesophagus
(2)Mouth → oesophagus → pharynx → buccal cavity
(3)Mouth → stomach → pharynx → cloaca
(4)Buccal cavity → mouth → rectum → oesophagus
49.After stomach, the alimentary canal continues as:
(1)rectum, intestine and cloaca
(2)intestine, rectum and cloaca
(3)duodenum, oesophagus and nostril
(4)pharynx, buccal cavity and cloaca
50.Bile in frog is:
(1)secreted by liver and stored in gall bladder
(2)secreted by gall bladder and stored in liver
(3)secreted by pancreas and stored in cloaca
(4)secreted by stomach and stored in rectum
51.Pancreatic juice is produced by:
(1)liver
(2)gall bladder
(3)pancreas
(4)rectum
52.Food is captured by the:
(1)unlobed tongue
(2)bilobed tongue
(3)villi
(4)ureter
53.Stomach digestion in frog is due to:
(1)bile and mucus from skin
(2)HCl and gastric juices from stomach walls
(3)pancreatic juice only from kidney
(4)lymph and RBCs
54.Partially digested food in frog is called:
(1)chyme
(2)lymph
(3)urea
(4)tadpole
55.The duodenum is described as the:
(1)last part of large intestine
(2)first part of small intestine
(3)storage organ for bile
(4)median chamber for urine only
56.The duodenum receives bile and pancreatic juices through:
(1)vasa efferentia
(2)common bile duct
(3)vena cava
(4)foramen magnum
57.Which option correctly matches digestive secretion with function?
(1)Bile — emulsifies fat
(2)Pancreatic juice — stores bile
(3)HCl — absorbs digested food
(4)Villi — produce pancreatic juice
58.Final digestion in frog takes place in the:
(1)stomach
(2)intestine
(3)rectum
(4)cloaca
59.Absorption of digested food occurs through:
(1)tympanum and nostrils
(2)villi and microvilli of inner intestinal wall
(3)sinus venosus
(4)mesorchium
60.Undigested solid waste finally passes out through:
(1)nostrils
(2)cloaca
(3)common bile duct
(4)foramen magnum
61.Statements about digestion: A. Frog's alimentary canal is short due to carnivorous habit. B. Liver stores bile and gall bladder secretes it. C. Pancreatic juice contains digestive enzymes. D. Food is captured by a bilobed tongue.

Choose the correct statements.
(1)A, C and D only
(2)A and B only
(3)B and C only
(4)A, B, C and D
62.Which sequence is correct for food/waste pathway after mouth?
(1)Buccal cavity → pharynx → oesophagus → stomach → intestine → rectum → cloaca
(2)Pharynx → buccal cavity → stomach → oesophagus → intestine → cloaca → rectum
(3)Oesophagus → buccal cavity → stomach → pharynx → rectum → cloaca
(4)Buccal cavity → rectum → stomach → intestine → oesophagus → cloaca
63.Refer to Figure 7.2 type internal digestive diagram. Which labelled structure stores bile?
(1)Gall bladder
(2)Kidney
(3)Rectum
(4)Lung
64.Refer to Figure 7.2 type digestive diagram. Which labelled opening/chamber is common for undigested waste passage?
(1)Cloaca
(2)Oesophagus
(3)Gall bladder
(4)Fat bodies
65.Assertion A: In frog, the intestine is relatively reduced. Reason R: Frogs are carnivores and therefore have a short alimentary canal.
(1)Both A and R are true, and R correctly explains A
(2)Both A and R are true, but R does not explain A
(3)A is true but R is false
(4)A is false but R is true
66.Which pair is wrongly matched?
(1)Chyme — partially digested food
(2)Duodenum — first part of small intestine
(3)Villi — absorption of digested food
(4)Bile — digestion of carbohydrates and proteins
67.Choose the correct combination. A. Bile from gall bladder reaches duodenum. B. Pancreatic juice from pancreas reaches duodenum. C. Both reach through common bile duct. D. Final digestion takes place in rectum.
(1)A, B and C only
(2)A and D only
(3)B, C and D only
(4)A, B, C and D
68.A student says, 'Pancreas stores bile and gall bladder makes pancreatic juice.' What is the correct correction?
(1)Liver secretes bile; gall bladder stores bile; pancreas produces pancreatic juice.
(2)Gall bladder secretes HCl; liver stores pancreatic juice.
(3)Pancreas produces bile; liver absorbs chyme.
(4)Rectum stores bile; stomach secretes pancreatic juice.
69.Match the digestive components. A. Liver B. Pancreas C. Villi/microvilli D. Cloaca. i. Pancreatic juice ii. Absorption iii. Bile secretion iv. Exit of undigested waste.
(1)A-iii, B-i, C-ii, D-iv
(2)A-i, B-iii, C-iv, D-ii
(3)A-iii, B-ii, C-i, D-iv
(4)A-iv, B-i, C-iii, D-ii
70.Which statement about frog digestion is incorrect?
(1)HCl and gastric juices act in stomach.
(2)Chyme passes to duodenum.
(3)Bile emulsifies fat.
(4)Absorbed food first becomes tadpole.
71.In water, the frog's aquatic respiratory organ is:
(1)skin
(2)lung only
(3)tympanum
(4)gall bladder
72.Respiration through skin is called:
(1)pulmonary respiration
(2)cutaneous respiration
(3)hepatic respiration
(4)renal respiration
73.Dissolved oxygen in water is exchanged through frog skin by:
(1)active transport only
(2)diffusion
(3)filtration in kidney
(4)emulsification
74.On land, the respiratory organs of frog include:
(1)buccal cavity, skin and lungs
(2)gall bladder, liver and pancreas
(3)kidney, ureter and cloaca
(4)villi, microvilli and rectum
75.Respiration by lungs is called:
(1)cutaneous respiration
(2)pulmonary respiration
(3)aestivation
(4)mimicry
76.Frog lungs are described as:
(1)single green tubular structure in the cloaca
(2)pair of elongated, pink sac-like structures in upper trunk/thorax
(3)yellow ovoid structures attached to kidneys
(4)finger-like folds in intestine
77.Air enters frog lungs by the pathway:
(1)nostrils → buccal cavity → lungs
(2)lungs → cloaca → rectum
(3)mouth → kidney → lungs
(4)tympanum → buccal cavity → gall bladder
78.During aestivation and hibernation, gaseous exchange in frog takes place through:
(1)skin
(2)pancreas
(3)duodenum
(4)Bidder’s canal
79.Which statement about respiration is incorrect?
(1)In water, skin acts as aquatic respiratory organ.
(2)On land, buccal cavity, skin and lungs act as respiratory organs.
(3)Pulmonary respiration means respiration by lungs.
(4)During hibernation, gaseous exchange takes place through gall bladder.
80.Statements: A. Frogs use two different methods of respiration on land and in water. B. Cutaneous respiration occurs through skin. C. Dissolved oxygen in water is exchanged through skin by diffusion. D. Pulmonary respiration occurs through the tympanum. Choose correct statements.
(1)A, B and C only
(2)A and D only
(3)B and D only
(4)A, B, C and D
81.Assertion A: Skin is important for frog respiration in both water and during dormancy. Reason R: The PDF states aquatic respiration is through skin and gaseous exchange during aestivation/hibernation is also through skin.
(1)Both A and R are true, and R correctly explains A
(2)Both A and R are true, but R does not explain A
(3)A is true but R is false
(4)A is false but R is true
82.Match the respiratory terms. A. Cutaneous B. Pulmonary C. Dissolved oxygen exchange D. Air path. i. Lungs ii. Diffusion through skin iii. Nostrils→buccal cavity→lungs iv. Skin respiration.
(1)A-iv, B-i, C-ii, D-iii
(2)A-i, B-iv, C-iii, D-ii
(3)A-ii, B-iii, C-i, D-iv
(4)A-iv, B-ii, C-i, D-iii
83.Which group contains only respiratory structures/organs named for frog on land?
(1)Buccal cavity, skin, lungs
(2)Liver, pancreas, gall bladder
(3)Kidney, ureter, urinary bladder
(4)Ovary, oviduct, cloaca
84.The statement 'frogs respire only by lungs on land' is wrong because:
(1)the PDF says on land the buccal cavity, skin and lungs act as respiratory organs
(2)frogs have no lungs
(3)frogs respire only by gills
(4)frogs breathe only through cloaca
85.Which two processes are correctly paired with skin?
(1)Water absorption and aquatic respiration
(2)Bile storage and digestion
(3)Sound reception and urine formation
(4)Sperm passage and pancreatic secretion
86.The vascular system of frog is described as:
(1)open and poorly developed
(2)well-developed closed type
(3)absent
(4)made only of lymph nodes
87.The blood vascular system includes:
(1)heart, blood vessels and blood
(2)lymph, lymph channels and lymph nodes
(3)kidneys, ureters and urinary bladder
(4)testes, vasa efferentia and Bidder’s canal
88.The lymphatic system consists of:
(1)heart, arteries and veins
(2)lymph, lymph channels and lymph nodes
(3)RBC, WBC and platelets only
(4)kidney, nephron and ureter
89.Frog heart has:
(1)two atria and one ventricle
(2)one atrium and two ventricles
(3)four chambers
(4)one chamber only
90.The membrane covering the frog heart is called:
(1)pericardium
(2)mesorchium
(3)tympanum
(4)nictitating membrane
91.Sinus venosus:
(1)is triangular, joins the right atrium and receives blood via vena cava
(2)stores bile in the digestive system
(3)is a larval stage of frog
(4)is a fold attaching testes to kidney
92.The ventricle opens into a sac-like structure called:
(1)conus arteriosus
(2)gall bladder
(3)Bidder’s canal
(4)foramen magnum
93.Arteries and veins are correctly described as:
(1)arteries collect blood to heart; veins carry blood from heart
(2)arteries carry blood from heart; veins collect blood to heart
(3)both carry bile
(4)both are parts of lymphatic system only
94.The hepatic portal system is a special venous connection between:
(1)liver and intestine
(2)kidney and lower body parts
(3)heart and lung
(4)brain and spinal cord
95.The renal portal system is a special venous connection between:
(1)liver and intestine
(2)kidney and lower body parts
(3)stomach and duodenum
(4)tympanum and internal ear
96.Blood is composed of:
(1)only lymph and lymph nodes
(2)plasma and cells
(3)only RBCs
(4)bile and pancreatic juice
97.Which group includes the blood cells listed in the PDF?
(1)RBCs, WBCs and platelets
(2)Villi, microvilli and chyme
(3)Lymph, lymph channels and lymph nodes
(4)Cranial, spinal and autonomic nerves
98.Frog RBCs are:
(1)non-nucleated and without haemoglobin
(2)nucleated and contain haemoglobin
(3)identical to lymph nodes
(4)present only in females
99.Lymph differs from blood because it lacks:
(1)few proteins and RBCs
(2)all water
(3)all cells and nutrients
(4)all hormones
100.Which function is assigned to blood in the PDF?
(1)carrying nutrients, gases and water to respective sites
(2)emulsifying fat
(3)receiving sound signals
(4)attaching testes to kidney
101.Circulation of blood is achieved by:
(1)pumping action of muscular heart
(2)emulsification by bile
(3)diffusion through tympanum
(4)movement of tadpole
102.Statements about circulation: A. Frog vascular system is closed. B. Heart is covered by pericardium. C. Heart has two ventricles and one atrium. D. Lymphatic system is also present.

Choose the correct statements.
(1)A, B and D only
(2)A and C only
(3)B, C and D only
(4)A, B, C and D
103.Which pair is incorrectly matched?
(1)Hepatic portal system — liver and intestine
(2)Renal portal system — kidney and lower body parts
(3)Sinus venosus — joins right atrium
(4)Conus arteriosus — stores bile
104.Assertion A: Frog lymph is not identical to blood. Reason R: Lymph lacks a few proteins and RBCs.
(1)Both A and R are true, and R correctly explains A
(2)Both A and R are true, but R does not explain A
(3)A is true but R is false
(4)A is false but R is true
105.Match List-I with List-II. A. Blood vascular system B. Lymphatic system C. RBC D. Heart. i. Nucleated with haemoglobin ii. Lymph, lymph channels, lymph nodes iii. Heart, blood vessels, blood iv. Three-chambered.
(1)A-iii, B-ii, C-i, D-iv
(2)A-ii, B-iii, C-iv, D-i
(3)A-iii, B-i, C-ii, D-iv
(4)A-iv, B-ii, C-i, D-iii
106.Which statement is NOT supported by the PDF?
(1)Frogs have a lymphatic system.
(2)The blood vascular system includes heart, blood vessels and blood.
(3)Frog RBCs are nucleated.
(4)The lymphatic system consists of liver, gall bladder and bile.
107.Nitrogenous waste elimination is carried out by the:
(1)digestive gland system
(2)well-developed excretory system
(3)tympanum
(4)vocal sacs
108.Frog excretory system consists of:
(1)kidneys, ureters, cloaca and urinary bladder
(2)heart, vessels, blood and lymph
(3)liver, gall bladder and pancreas
(4)testes, ovaries and tympanum
109.Excretory wastes in frog are carried into kidney by:
(1)blood
(2)bile
(3)pancreatic juice
(4)vasa efferentia
110.Statements: A. Excretory system includes a pair of kidneys. B. Kidney units are uriniferous tubules/nephrons. C. Male ureters act as urinogenital ducts. D. Frogs excrete uric acid and are uricotelic. Choose correct statements.
(1)A, B and C only
(2)A and D only
(3)B, C and D only
(4)A, B, C and D
111.Which pair is wrongly matched?
(1)Kidneys — compact dark red bean-like structures
(2)Nephrons — structural and functional units
(3)Urinary bladder — ventral to rectum
(4)Female ureters — act as vasa efferentia
112.Assertion A: In male frog, the ureter is called a urinogenital duct. Reason R: The male ureter opens into the cloaca and serves both urinary and reproductive passage in the PDF context.
(1)Both A and R are true, and R correctly explains A
(2)Both A and R are true, but R does not explain A
(3)A is true but R is false
(4)A is false but R is true
113.Match List-I with List-II. A. Kidney B. Urinary bladder C. Ureotelic D. Male ureter. i. Urea excretion ii. Urinogenital duct iii. Nephrons iv. Ventral to rectum.
(1)A-iii, B-iv, C-i, D-ii
(2)A-ii, B-iii, C-iv, D-i
(3)A-iii, B-i, C-iv, D-ii
(4)A-iv, B-iii, C-i, D-ii
114.Which statement is the best correction of 'frog kidneys are anterior to the brain box'?
(1)Kidneys are posterior in the body cavity on both sides of vertebral column.
(2)Kidneys are in the tympanum.
(3)Kidneys are the same as gall bladder.
(4)Kidneys are external ear organs.
115.Control and coordination in frog includes:
(1)only neural system
(2)both neural system and endocrine glands
(3)only lymphatic system
(4)only digestive glands
116.Chemical coordination in frog is achieved by:
(1)hormones secreted by endocrine glands
(2)bile from gall bladder
(3)mucus from skin only
(4)sound signals from tympanum
117.Which is NOT in the list of prominent endocrine glands found in frog in the PDF?
(1)Pituitary
(2)Thyroid
(3)Pancreatic islets
(4)Villi
118.Nervous system in frog is organised into:
(1)central, peripheral and autonomic systems
(2)digestive, excretory and reproductive systems
(3)blood, lymph and bile systems
(4)cutaneous, pulmonary and hepatic systems
119.CNS, PNS and ANS are correctly matched with:
(1)CNS—brain and spinal cord; PNS—cranial and spinal nerves; ANS—sympathetic and parasympathetic
(2)CNS—kidneys; PNS—gall bladder; ANS—villi
(3)CNS—RBCs; PNS—WBCs; ANS—platelets
(4)CNS—skin; PNS—lungs; ANS—cloaca
120.How many pairs of cranial nerves arise from frog brain?
(1)8 pairs
(2)10 pairs
(3)12 pairs
(4)31 pairs
121.Which option correctly lists the three main divisions of frog brain?
(1)Forebrain, midbrain and hindbrain
(2)Cerebrum, kidney and cloaca
(3)Villus, duodenum and rectum
(4)Atrium, ventricle and conus
122.Which sense organ match is incorrect?
(1)Touch — sensory papillae
(2)Taste — taste buds
(3)Smell — nasal epithelium
(4)Vision — tympanum with internal ears
123.Which structures are described as well-organised sense organs?
(1)Eyes and internal ears
(2)Taste buds and sensory papillae
(3)Nasal epithelium and mucus
(4)Villi and microvilli
124.Statements: A. Brain is enclosed in cranium. B. Forebrain includes optic lobes. C. Midbrain has optic lobes. D. Hindbrain has cerebellum and medulla oblongata. Choose correct statements.
(1)A, C and D only
(2)A and B only
(3)B, C and D only
(4)A, B, C and D
125.Assertion A: The frog external ear is absent. Reason R: Only the tympanum can be seen externally, while the ear functions in hearing and equilibrium.
(1)Both A and R are true, and R correctly explains A
(2)Both A and R are true, but R does not explain A
(3)A is true but R is false
(4)A is false but R is true
126.Match List-I with List-II. A. Forebrain B. Midbrain C. Hindbrain D. Medulla. i. Optic lobes ii. Foramen magnum to spinal cord iii. Cerebellum + medulla iv. Olfactory lobes + cerebral hemispheres + diencephalon.
(1)A-iv, B-i, C-iii, D-ii
(2)A-i, B-iv, C-ii, D-iii
(3)A-iii, B-i, C-iv, D-ii
(4)A-iv, B-iii, C-i, D-ii
127.Which group contains only endocrine glands listed in the PDF?
(1)Pituitary, thyroid, pineal body, pancreatic islets
(2)Villi, microvilli, rectum, cloaca
(3)Tympanum, nostril, eye, webbed digits
(4)Vena cava, conus arteriosus, artery, vein
128.Which statement about male reproductive pathway is correct?
(1)Testes → vasa efferentia → kidneys → Bidder’s canal → urinogenital duct → cloaca
(2)Testes → gall bladder → duodenum → rectum → cloaca
(3)Ovaries → vasa efferentia → Bidder’s canal → tympanum
(4)Testes → foramen magnum → spinal cord → cloaca
129.Refer to Figure 7.3 type male reproductive diagram. Which labelled structure is directly associated with testes and opens into Bidder’s canal through kidney?
(1)Vasa efferentia
(2)Oviduct
(3)Villi
(4)Nictitating membrane
130.Refer to Figure 7.4 type female reproductive diagram. Which pair is correctly shown/related?
(1)Ovary and oviduct
(2)Testis and vasa efferentia
(3)Sinus venosus and conus arteriosus
(4)Duodenum and common bile duct
131.Statements: A. Female ovaries are near kidneys. B. Female ovaries have no functional connection with kidneys. C. Oviducts open separately into cloaca. D. Female ureters act as urinogenital ducts. Choose correct statements.
(1)A, B and C only
(2)A and D only
(3)B, C and D only
(4)A, B, C and D
132.Which pair is incorrectly matched?
(1)Testes — yellowish ovoid
(2)Mesorchium — double fold of peritoneum
(3)Vasa efferentia — 10–12
(4)Ovaries — functionally connected with kidneys
133.Assertion A: Fertilisation and development in frog are external. Reason R: Fertilisation takes place in water and the larval tadpole undergoes metamorphosis.
(1)Both A and R are true, and R correctly explains A
(2)Both A and R are true, but R does not explain A
(3)A is true but R is false
(4)A is false but R is true
134.Match List-I with List-II. A. Mesorchium B. Vasa efferentia C. Oviduct D. Tadpole. i. Larval stage ii. Double fold attaching testes iii. Arise from ovaries iv. 10–12 ducts from testes.
(1)A-ii, B-iv, C-iii, D-i
(2)A-iv, B-ii, C-i, D-iii
(3)A-ii, B-i, C-iv, D-iii
(4)A-iii, B-iv, C-ii, D-i
135.Frogs are beneficial for mankind because they:
(1)eat insects and protect crops
(2)destroy crops by eating roots only
(3)store bile for humans
(4)replace all pollinators
136.Frogs maintain ecological balance because they:
(1)serve as an important link in food chain and food web
(2)are the only producers in ecosystem
(3)convert chyme into urea
(4)have four chambered heart
137.Which statement is a low-yield but PDF-based fact about human use of frogs?
(1)Muscular legs of frogs are used as food by humans in some countries.
(2)Frog skin is used as the only respiratory organ in humans.
(3)Frogs are used as photosynthetic organisms.
(4)Frog tympanum secretes pancreatic juice.
138.Epithelial cells are structurally and functionally connected at:
(1)junctions
(2)vasa efferentia
(3)sinus venosus
(4)gall bladder
139.The summary states that frog circulation is:
(1)closed with single circulation
(2)open with double circulation
(3)absent
(4)closed with no heart
140.Which statement contradicts the PDF summary?
(1)The male reproductive organ is a pair of testes.
(2)The female reproductive organ is a pair of ovaries.
(3)A female lays 2500–3000 ova at a time.
(4)Fertilisation and development are internal.
141.Long-option: Select all correct summary-based statements. A. Epithelia line cavities, ducts and tubes. B. Epithelia have one free surface. C. Frog RBCs are nucleated. D. Frog eggs hatch into tadpoles.
(1)A, B, C and D
(2)A and B only
(3)B and D only
(4)A, C and D only
142.Which option best protects rank in a statement-heavy question from this chapter?
(1)Read command words like incorrect/except and verify every line against exact PDF wording.
(2)Mark the longest option immediately.
(3)Ignore all diagrams because Biology questions never use labels.
(4)Assume all familiar terms are correct without checking.
143.Which statement about total cell number in human body is stated in the chapter?
(1)The human body is composed of billions of cells that perform various functions.
(2)The human body is composed of only one cell.
(3)The human body has no division of labour.
(4)The human body is made only of epithelial tissue.
144.Which statement about organ composition is correct?
(1)Each organ is made of one or more types of tissues.
(2)Each organ is always made of exactly one type of tissue.
(3)Each organ is made only of neural tissue.
(4)Each organ lacks tissues and is made only of organs.
145.The discernable trend displayed by complexity in organ and organ systems is called:
(1)evolutionary trend
(2)cutaneous trend
(3)hepatic portal trend
(4)vocal-sac trend
146.The frog body cavity accommodates which set of organ systems?
(1)Digestive, circulatory, respiratory, nervous, excretory and reproductive systems
(2)Only digestive and excretory systems
(3)Only endocrine glands and tympanum
(4)Only skin, nostril and webbed digits
147.The heart of frog is situated:
(1)in the upper part of the body cavity
(2)inside the duodenum
(3)below the urinary bladder only
(4)inside the orbit of skull
148.Which set includes all broad categories of sense organs named for frog?
(1)Touch, taste, smell, vision and hearing
(2)Digestion, circulation, excretion and reproduction
(3)Aestivation, hibernation, mimicry and camouflage
(4)Villi, microvilli, chyme and bile
149.Which statement about frog eyes is correct?
(1)They are spherical structures in the orbit in skull and are simple eyes with one unit.
(2)They are compound eyes with many units.
(3)They are present on the ventral side only.
(4)They are absent in adult frogs.
150.According to the summary, urinogenital system organs include:
(1)kidneys and urinogenital ducts opening into cloaca
(2)liver and pancreas opening into duodenum
(3)pituitary and thyroid opening into brain box
(4)tympanum and internal ears opening into rectum
NEET ]150[ Contd...

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