Mcqs about Frog (amphibians)
1- The skin of frog is meant for
a.
Respiration
b.
Protection
c.
Water
absorption
d.
All of these
2- Which gland play a key role in
metamorphosis of frog’s tadpole?
a.
Thymus
b.
Adernalpencreas
c.
Thyroid
d.
Pencrease
3- In frog, the surface of
attachment of tongue is
a.
Pterygoid
b.
Sphenoid
c.
Hyoid apparatus
d.
Palatin
4- Structure which remains unchanged
during metamorphosis of frog’s tadpole in
a.
Heart
b.
Lungs
c.
Intestine
d.
Nervous system
5- The kidney of adult frog is
a.
Metanephros
b.
Pronephrons
c.
Mesonephros
d.
Opisthonephros
6- frog lack
a.
Molar
b.
Premolar
c.
Incisors
d.
None of these
7- Frog’s tadpole are
a.
Ammonotelic
b.
Uricotelic
c.
Ureotelic
d.
None
of these
8- The 8th vertebrae of frog is
a.
Amphicoelous
b.
Amphiplatyan
c.
Precoelous
d.
Acoelous
9- During hibernation frog respires
through
a.
Gills
b.
Lungs
c.
Integument
d.
Tympaunm
10-Due to less amount of iodine in
water, metamorphosis of frog tadpole is
a.
Stopped
b.
Delayed
c.
Accelerate
d.
Not
affected
11.
Dicondylic skull along with ten pairs of cranial nerves is found in
(a) Mammalia
(b) Amphibia
(c) Reptilia
(d) Pisces
12. This about Class Amphibia is
correct
(i) fertilization is internal
(ii) respiration is through gills
only
(iii) body is divisible into head
and trunk
(iv) heart is two chambered – one
ventricle and one auricle
13. A frog has
(a) jaws but no teeth
(b) eyes but no lids
(c) ears but no pinnae
(d) hands but no fingers
14. Even after attaining sexual
maturity, larval characters are retained. It is known as
(a) Phylogenesis
(b) Neoteny
(c) Parthenogenesis
(d) Ontogenesis
15. Frogs dwell in water or in
the vicinity of water as
(a) it respires through the skin
(b) it can see through its
transparent eyelids whilst swimming
(c) its hindlimbs are webbed,
facilitating to swim
(d) water is a good source for
food
16. In amphibians, Organ of
Jacobson is for
(a) temperature
(b) pressure
(c) smell
(d) sound
17. The differentiating factor of
the venous system of frog and rabbit is in the presence of this
(a) hepatic vein
(b) three vena cavae
(c) renal portal system
(d) hepatic portal system
18. Neck is not found in a frog.
This absence helps the frog to
(a) swim in water
(b) respire
(c) catch prey
(d) jump on ground
19. The body temperature of a
frog is 20 degrees celsius in an environment having a temperature of 30 degrees
celsius. The temperature of the frog in the new environment is
(a) 25 degrees celsius
(b) 20 degrees celsius
(c) 30 degrees celsius
(d) between 20-30 degrees celsius
20. This is not a true amphibian
animal
(a) Toad
(b) Salamander
(c) Tortoise
(d) Frog
21.
Which of these statements is true about frog?
a) It lives both on land and in sea water
b) They cannot survive in freshwater
c) Rana tigrina is
a rare species
d) They belong to class Amphibia
22. Frogs are _______
a) homeothermic
b) warm-blooded
c) poikilothermic
d) heterothermic
23. Which of these methods
are utilized by frogs for protection?
a) Speed
b) Spikes
c) Mimicry
d) Playing dead
24. Which of these
statements is false about frogs?
a) They do not aestivate
b) They change color
c) They live in burrows
d) They hibernate
25. Which of these
describes the skin of frog?
a) Thick, leathery
b) Smooth, slippery
c) Hard, dry
d) Thin, membranous
26. Which of these are the
divisions of the body of a frog?
a) Head, trunk, abdomen
b) Head, thorax, abdomen
c) Head, trunk
d) Head, thorax, trunk
27. Which of these
structures protects the eyes of the frog in water?
a) Nictitating membrane
b) Tympanum
c) Bidder’s canal
d) Cloaca
28. Which of these
structures in frog receive sound signals?
a) Webbed feet
b) Skin
c) Nictitating membrane
d) Tympanum
29. How many digits does
the forelimb and hindlimb of frog have respectively?
a) 3, 4
b) 5, 4
c) 4, 5
d) 4, 3
30. Which of this is not a
distinguishing feature of a male frog?
a) Narrow abdomen
b) Copulatory pad
c) Vocal sacs
d) Moist, slippery skin
31. Which of this is not a
distinguishing feature of a male frog?
a) Narrow abdomen
b) Copulatory pad
c) Vocal sacs
d) Moist, slippery skin
32. Frogs are ______
a) herbivores
b) omnivores
c) carnivores
d) scavengers
33. Which of these
characteristics of frog is the reason for its short alimentary canal?
a) Carnivorous
b) Sexual dimorphism
c) Amphibian
d) Chordate
34. Identify ‘3’ in the pathway of food
ingested by frog.
a) Larynx
b) Pharynx
c) Gizzard
d) Crop
35. Which of these structures is not a part of
excretory system in frogs?
a) Cloaca
b) Ureter
c) Urinary bladder
d) Anus
36. Which of
these statements is true with respect to the anatomy of frog?
a) The oviduct and ureters are merged in female
frog
b) The urinary and genital ducts are separate in
male frogs
c) The urinary bladder is ventral to the rectum
d) Frogs are Uricotelic
37. How many pairs of cranial nerves arise from the
brain of frog?
a) 12
b) 8
c) 10
d) 6
38. In the
brain of frogs, optic lobes are present in the _______
a) midbrain
b) hindbrain
c) forebrain
d) medulla oblongata
39. What
lies between the medulla oblongata and spinal cord in frogs?
a) Foramen lacerum
b) Foramen magnum
c) Foramen ovale
d) Foramen of Monro
40. Which of
these is a cellular aggregation in frog?
a) Tympanum
b) Eyes
c) Nasal epithelium
d) Internal ears
41. Which of these is not a function of ear in
frog?
a) Defense
b) Hearing
c) Balance
d) Equilibrium
42. What is
the shape of testes in male frogs?
a) Triangular
b) Irregular
c) Spherical
d) Ovoid
43. Which of
these structures attach the testes to the kidneys in male frogs?
a) Tympanum
b) Bidder’s canal
c) Mesorchium
d) Sensory papillae
44. Which of these is not a function of cloaca in frogs?
a) Passing of fecal matter
b) Passing of sperm
c) Passing of urine
d) Passing of ova
45. In
frogs, vasa efferentia arises from the _____
a) Bidder’s canal
b) Kidneys
c) Testes
d) Cloaca
46. How many
ova does a female frog lay at a time?
a) 30 to 40
b) 10,000 to 20,000
c) 2500 to 3000
d) 50,000 to 80,000
47. Where
does fertilization take place in frogs?
a) Water
b) Land
c) Inside the female frog
d) Inside the male frog
48. Which of
these statements is true with respect to frog?
a) They are pests for agricultural crop
b) Legs of frogs can be eaten
c) They do not play a part in ecological balance
d) They are herbivores
49. Which of these organs secrete bile?
a) Kidney
b) Spleen
c) Gall bladder
d) Liver
50. Where is
bile stored in the body of frog?
a) Pancreas
b) Liver
c) Gall bladder
d) Bidder’s canal
51. . Which of these is not a characteristic
feature of Rana tigrina?
a) Webbed feet
b) Bilobed tongue
c) Thick, leathery skin
d) Membranous tympanum
52. In frogs, chyme is passed to the ______
a) duodenum
b) ileum
c) jejunum
d) cloaca
53. Pancreatic juice is delivered to the duodenum
by the _______
a) pancreatic duct
b) common bile duct
c) parotid duct
d) hepatic duct
54. Where
does final digestion take place in frogs?
a) Rectum
b) Cloaca
c) Intestine
d) Bidder’s canal
55. In
frogs, the undigested food passes out through the ______
a) cloaca
b) rectum
c) anus
d) intestine
56. What
type of respiration is shown by frogs in water?
a) pulmonary respiration
b) Branchial respiration
c) Subcutaneous respiration
d) Cutaneous respiration
57. Cutaneous respiration in frogs takes place by
_______
a) endosmosis
b) active transport
c) diffusion
d) exosmosis
58. How many
chambers are present in a frog’s heart?
a) 2
b) 4
c) 3
d) 5
59. What is the shape of the sinus venosus?
a) Spherical
b) Irregular
c) Triangular
d) Cylindrical
60. In frog, the ventricle opens into ______
a) conus arteriosus
b) sinus venosus
c) hepatic portal vein
d) vena cava
61. Which of these is not present in frog?
a) Renal portal system
b) Enucleated erythrocytes
c) Hepatic portal system
d) Lymphatic system
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