Explore topic-wise MCQs in NEET.

This section includes 14620 Mcqs, each offering curated multiple-choice questions to sharpen your NEET knowledge and support exam preparation. Choose a topic below to get started.

5251.

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
5252.

Frog hibernate during

A. Winter
B. Spring
C. Summer
D. autumn
Answer» B. Spring
5253.

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.
5254.

Columella auris is a modified [CBSE PMT 1992]

A. Quadrate
B. Article
C. Hyomandibular
D. Sphenethmoid
Answer» D. Sphenethmoid
5255.

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
5256.

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
5257.

In frog, sclerotic is

A. Bony
B. Fibrous
C. Cartilaginous
D. None of these
Answer» C. Cartilaginous
5258.

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.
5259.

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
5260.

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.
5261.

Eighth cranial nerves of frog connects the brain to

A. Nose
B. Ears
C. Tongue
D. Pharynx
Answer» C. Tongue
5262.

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.
5263.

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
5264.

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
5265.

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
5266.

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.
5267.

Nitrogenous excretory product of tadpole of frog is [CBSE PMT 1989, 92, 93]

A. Urea
B. Guanine
C. Uric acid
D. Ammonia
Answer» E.
5268.

In frog the urinary bladder is

A. Absent
B. Paired
C. Bilobed
D. None of these
Answer» D. None of these
5269.

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
5270.

Frog's kidneys are [BCECE 2001]

A. Pronephros
B. Holonephros
C. Metabephros
D. Mesonephros
Answer» E.
5271.

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
5272.

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)
5273.

Vein which drain blood from back region in frog is

A. Pelvic
B. Abdominal
C. Dorsolumbar
D. Renal portal
Answer» D. Renal portal
5274.

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
5275.

In frog, the vein that carries blood from tongue is termed

A. Lingual
B. Azygous
C. Cutaneous
D. Anterior abdominal
Answer» B. Azygous
5276.

Sciatic vein of frog opens in [BHU 2005]

A. Heart
B. Kidney
C. Pelvic region
D. Liver
Answer» D. Liver
5277.

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
5278.

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.
5279.

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
5280.

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
5281.

Amphibian heart is [AFMC 2001]

A. One-chambered
B. Three-chambered
C. Two-chambered
D. Four-chambered
Answer» C. Two-chambered
5282.

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
5283.

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
5284.

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
5285.

RBCs are nucleated in [AFMC 1997]

A. Rat
B. Cat
C. Frog
D. Rabbit
Answer» D. Rabbit
5286.

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
5287.

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
5288.

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
5289.

In frog, glottis is controlled by muscles of

A. Sternum
B. Vocal cords
C. Pectoral girdle
D. Arytenoid cartilages
Answer» E.
5290.

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
5291.

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
5292.

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
5293.

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
5294.

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
5295.

Which structure is not concerned with breathing in frog

A. Skin
B. Lungs
C. Diaphragm
D. Buccal cavity
Answer» D. Buccal cavity
5296.

In frog, digestion of fats occurs mostly in [CBSE PMT 1993]

A. Rectum
B. Stomach
C. Duodenum
D. Small intestine
Answer» E.
5297.

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.
5298.

In frog, the surface of attachment of tongue is [CBSE PMT 1992, 97]

A. Palatine
B. Sphenoid
C. Pterygoid
D. Hyoid apparatus
Answer» E.
5299.

Which of the following is mainly used in capturing the prey in frog

A. Lips
B. Teeth
C. Tongue
D. Hand
Answer» D. Hand
5300.

Regarding feeding habit, frog usually ignores

A. Insects
B. Worms
C. Molluscs
D. Motionless prey
Answer» E.