MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Chromatophores in frog's skin are controlled by [CBSE PMT 1992] |
| A. | Hormones |
| B. | Environment |
| C. | Nervous activity |
| D. | Nervous and hormonal activities |
| Answer» B. Environment | |
| 2. |
Frog hibernate during |
| A. | Winter |
| B. | Spring |
| C. | Summer |
| D. | autumn |
| Answer» B. Spring | |
| 3. |
Fenestra ovalis in frog is the [CBSE PMT 1992] |
| A. | Air-filled cavity of middle ear |
| B. | Communication between pharynx and tympanic cavity |
| C. | External opening of tympanic cavity covered by tympanic membrane |
| D. | Opening of auditory capsule which separates middle ear from internal ear |
| Answer» E. | |
| 4. |
Columella auris is a modified [CBSE PMT 1992] |
| A. | Quadrate |
| B. | Article |
| C. | Hyomandibular |
| D. | Sphenethmoid |
| Answer» D. Sphenethmoid | |
| 5. |
Which of the following is absent in frog |
| A. | External ear |
| B. | Middle ear |
| C. | Internal ear |
| D. | None of these |
| Answer» B. Middle ear | |
| 6. |
What will happen if the eyes of a frog are covered by paper [CBSE PMT 1990] |
| A. | Frog will soon die |
| B. | Frog will not move |
| C. | Frog will not do any thing |
| D. | Frog will move to one side only |
| Answer» D. Frog will move to one side only | |
| 7. |
In frog, sclerotic is |
| A. | Bony |
| B. | Fibrous |
| C. | Cartilaginous |
| D. | None of these |
| Answer» C. Cartilaginous | |
| 8. |
When an electric shock is given to the leg of a pithed frog it |
| A. | Blinks its eyes |
| B. | Shows no response |
| C. | Put out its tongue |
| D. | None of these |
| Answer» E. | |
| 9. |
Number of spinal nerves in frog is [CPMT 1991] |
| A. | Ten only |
| B. | Ten pairs |
| C. | Twelve pairs |
| D. | Twenty pairs |
| Answer» B. Ten pairs | |
| 10. |
A toad is different from a frog in having |
| A. | Parotid glands |
| B. | Nocturnal habit |
| C. | Absence of teeth |
| D. | All of these |
| Answer» E. | |
| 11. |
Eighth cranial nerves of frog connects the brain to |
| A. | Nose |
| B. | Ears |
| C. | Tongue |
| D. | Pharynx |
| Answer» C. Tongue | |
| 12. |
Which of the following is not a median part in the brain cavity of frog |
| A. | Iter |
| B. | Diocoel |
| C. | Metacoel |
| D. | Optocoel |
| Answer» E. | |
| 13. |
The second cranial nerve of frog is distributed in [CPMT 1984] |
| A. | Retina alone |
| B. | Lens and retina |
| C. | Iris and eye muscles |
| D. | Eye muscles and retina |
| Answer» B. Lens and retina | |
| 14. |
Which part of the brain of frog is called pallium |
| A. | Roof of paracoel |
| B. | Floor of epicoel |
| C. | Roof of rhinocoel |
| D. | Root of metacoel |
| Answer» B. Floor of epicoel | |
| 15. |
The medulla oblongata of the brain passes out through |
| A. | Foramen obturator |
| B. | Foramen magnum |
| C. | Foramen of Magendie |
| D. | Foramina of Luschka |
| Answer» C. Foramen of Magendie | |
| 16. |
If cerebral hemisphere of frog is removed it |
| A. | Dies at once |
| B. | Stops feeding |
| C. | Remain as it was |
| D. | Dies after some time |
| Answer» E. | |
| 17. |
Nitrogenous excretory product of tadpole of frog is [CBSE PMT 1989, 92, 93] |
| A. | Urea |
| B. | Guanine |
| C. | Uric acid |
| D. | Ammonia |
| Answer» E. | |
| 18. |
In frog the urinary bladder is |
| A. | Absent |
| B. | Paired |
| C. | Bilobed |
| D. | None of these |
| Answer» D. None of these | |
| 19. |
The ciliated funnels on the ventral side of the kidney in frog are called |
| A. | Ostia |
| B. | Nephrostomes |
| C. | Corpora adiposa |
| D. | Bidder's organ |
| Answer» C. Corpora adiposa | |
| 20. |
Frog's kidneys are [BCECE 2001] |
| A. | Pronephros |
| B. | Holonephros |
| C. | Metabephros |
| D. | Mesonephros |
| Answer» E. | |
| 21. |
The first pair of lymph hearts in frog pumps the lymph into |
| A. | Femoral vein |
| B. | Subclavian vein |
| C. | Subscapular vein |
| D. | Hepatic portal vein |
| Answer» D. Hepatic portal vein | |
| 22. |
Match the following column I with coloumn II and choose the correct combination. [Kerala CET 2005] Column I Column II a. Earthworm (i) Gizzard b. Cockroach (ii) Caecum c. Frog (iii) Clitellum d. Rat (iv) Cloaca |
| A. | a. - (i), b. - (ii), c. - (iv), d. - (iii) |
| B. | a. - (iii), b. - (i), c. - (iv), d. - (ii) |
| C. | a. - (iii), b. - (i), c. - (ii), d. - (iv) |
| D. | a. - (i), b. - (iii), c. - (iv), d. - (ii) |
| Answer» C. a. - (iii), b. - (i), c. - (ii), d. - (iv) | |
| 23. |
Vein which drain blood from back region in frog is |
| A. | Pelvic |
| B. | Abdominal |
| C. | Dorsolumbar |
| D. | Renal portal |
| Answer» D. Renal portal | |
| 24. |
The toad possesses [BVP 2001] |
| A. | Bifid tongue, slippery skin and mucous glands |
| B. | Salivary glands, mucous glands and parotid glands |
| C. | Parotid glands, warty skin and semicircular snout |
| D. | Slippery skin, yellow pigment and abundant mucous glands |
| Answer» D. Slippery skin, yellow pigment and abundant mucous glands | |
| 25. |
In frog, the vein that carries blood from tongue is termed |
| A. | Lingual |
| B. | Azygous |
| C. | Cutaneous |
| D. | Anterior abdominal |
| Answer» B. Azygous | |
| 26. |
Sciatic vein of frog opens in [BHU 2005] |
| A. | Heart |
| B. | Kidney |
| C. | Pelvic region |
| D. | Liver |
| Answer» D. Liver | |
| 27. |
The venous system of frog differs from that of rabbit in having |
| A. | Hepatic vein |
| B. | Three vena cavae |
| C. | Renal portal system |
| D. | Hepatic portal system |
| Answer» D. Hepatic portal system | |
| 28. |
The heart of frog beats at the rate of |
| A. | 25 times/min. |
| B. | 64 times/min. |
| C. | 72 times/min. |
| D. | 100 times/min. |
| Answer» C. 72 times/min. | |
| 29. |
Conus arteriosus is a part of the heart because |
| A. | It has valves |
| B. | It has cardiac muscles |
| C. | It is a part of atrium |
| D. | It is connected to ventricle |
| Answer» C. It is a part of atrium | |
| 30. |
The heart of frog consists of |
| A. | Two auricles and one ventricle |
| B. | One auricle and two ventricles |
| C. | Two auricles and two ventricles |
| D. | One sinus venosus, one auricle and one ventricle |
| Answer» B. One auricle and two ventricles | |
| 31. |
Amphibian heart is [AFMC 2001] |
| A. | One-chambered |
| B. | Three-chambered |
| C. | Two-chambered |
| D. | Four-chambered |
| Answer» C. Two-chambered | |
| 32. |
Chordae tendinae in heart of frog is found in the wall of |
| A. | Ventricle |
| B. | Left auricle |
| C. | Right auricle |
| D. | Sinus venosus |
| Answer» B. Left auricle | |
| 33. |
The sinus venosus of frog is located on |
| A. | Dorsal surface of the heart of frog |
| B. | Ventral surface of the heart of frog |
| C. | Dorsal surface of the heart of rabbit |
| D. | Ventral surface of the heart of rabbit |
| Answer» B. Ventral surface of the heart of frog | |
| 34. |
Heart of frog differs from that of man by presence of |
| A. | Two aortae |
| B. | Mitral valve |
| C. | Sinus venosus |
| D. | Four-chambers |
| Answer» D. Four-chambers | |
| 35. |
RBCs are nucleated in [AFMC 1997] |
| A. | Rat |
| B. | Cat |
| C. | Frog |
| D. | Rabbit |
| Answer» D. Rabbit | |
| 36. |
In frog, cutaneous respiration takes place [CBSE PMT 1992] |
| A. | Always |
| B. | Only on land |
| C. | Only in water with pulmonary respiration |
| D. | Only in water pulmonary respiration is not occurring |
| Answer» B. Only on land | |
| 37. |
In which of these animals, skin serves as an accessory organ of respiration [CBSE PMT 1990] |
| A. | Bird |
| B. | Frog |
| C. | Lizard |
| D. | Rabbit |
| Answer» C. Lizard | |
| 38. |
The lungs in frogs are |
| A. | Compact spongy masses |
| B. | Thin-walled elastic, hollow bags |
| C. | Thick-walled nonelastic, hollow bags |
| D. | Thick-walled nonelastic solid masses |
| Answer» C. Thick-walled nonelastic, hollow bags | |
| 39. |
In frog, glottis is controlled by muscles of |
| A. | Sternum |
| B. | Vocal cords |
| C. | Pectoral girdle |
| D. | Arytenoid cartilages |
| Answer» E. | |
| 40. |
A frog must swallow air to expand the lungs because frog |
| A. | Has no diaphragm |
| B. | Has no vagus nerve |
| C. | Is relatively primitive vertebrate |
| D. | Normally breathe though its skin |
| Answer» B. Has no vagus nerve | |
| 41. |
Oxygen carrier or the respiratory pigment in blood of frog and other vertebrates is [AIIMS 1981; AFMC 1981; CPMT 1981, 83, 87, 92] |
| A. | Myoglobin |
| B. | Cytochorome |
| C. | Haemoglobin |
| D. | Haemocyanin |
| Answer» D. Haemocyanin | |
| 42. |
The common Indian bull frog is [CBSE PMT 1992; KCET 1998; JIPMER 1999] |
| A. | Rana tigrina |
| B. | Rana esculenta |
| C. | Rana limnocharis |
| D. | Rana cyanophlyctis |
| Answer» B. Rana esculenta | |
| 43. |
During hibernation, frog respires with [CPMT 1984, 91; AFMC 1986; Manipal 2001] |
| A. | Lung only |
| B. | Moist skin only |
| C. | Buccal cavity only |
| D. | External gills and lungs |
| Answer» D. External gills and lungs | |
| 44. |
If the mouth of frog is kept open for some time, it dies because it is unable to |
| A. | Eat |
| B. | Drink |
| C. | Breathe |
| D. | None of these |
| Answer» D. None of these | |
| 45. |
Which structure is not concerned with breathing in frog |
| A. | Skin |
| B. | Lungs |
| C. | Diaphragm |
| D. | Buccal cavity |
| Answer» D. Buccal cavity | |
| 46. |
In frog, digestion of fats occurs mostly in [CBSE PMT 1993] |
| A. | Rectum |
| B. | Stomach |
| C. | Duodenum |
| D. | Small intestine |
| Answer» E. | |
| 47. |
In frog pyloric sphincter is located between |
| A. | Fundus and pylorus |
| B. | Cardiac and fundus |
| C. | Oesophagus and pharynx |
| D. | Stomach and duodenum |
| Answer» E. | |
| 48. |
In frog, the surface of attachment of tongue is [CBSE PMT 1992, 97] |
| A. | Palatine |
| B. | Sphenoid |
| C. | Pterygoid |
| D. | Hyoid apparatus |
| Answer» E. | |
| 49. |
Which of the following is mainly used in capturing the prey in frog |
| A. | Lips |
| B. | Teeth |
| C. | Tongue |
| D. | Hand |
| Answer» D. Hand | |
| 50. |
Regarding feeding habit, frog usually ignores |
| A. | Insects |
| B. | Worms |
| C. | Molluscs |
| D. | Motionless prey |
| Answer» E. | |