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Frog - 2 - Free MCQ Practice Test with solutions, NEET


MCQ Practice Test & Solutions: Test: Frog - 2 (10 Questions)

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Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 10 minutes
  • - Number of Questions: 10

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Test: Frog - 2 - Question 1

Where are the copulatory pads in male frog present?

Detailed Solution: Question 1

The copulatory pads of the male frog are present on the first digit of the forelimbs. Frogs show sexual dimorphism and the presence of copulatory pads in male frogs is a distinguishing feature of the two sexes.

Topic in NCERT: Morphology

Line in NCERT: "Male frogs can be distinguished by the presence of sound producing vocal sacs and also a copulatory pad on the first digit of the fore limbs which are absent in female frogs."

Test: Frog - 2 - Question 2

Which of these characteristics of frog is the reason for its short alimentary canal?

Detailed Solution: Question 2

Frogs are carnivorous. This means that their diet consists of food which is purely of animal origin. For this reason, the length of its intestine is reduced. Thus, frogs have a short alimentary canal.

Topic in NCERT: Anatomy: Digestive System

Line in NCERT: "The alimentary canal is short because frogs are carnivores and hence the length of intestine is reduced."

Test: Frog - 2 - Question 3

RBCs are nucleated in

Detailed Solution: Question 3

RBCs of frog are nucleated, oval and biconvex and have haemoglobin (respiratory pigment).

Topic in NCERT:Anatomy: vascular system

Line in NCERT: "RBCs are nucleated and contain red coloured pigment namely haemoglobin."

Test: Frog - 2 - Question 4

Which of these is not a characteristic feature of Rana tigrina?

Detailed Solution: Question 4

Rana tigrina or frog possesses a bilobed tongue to capture food. It has webbed feet for the purpose of swimming in water. It also has a membranous tympanum to receive sound signals. It has moist, slippery skin.

Test: Frog - 2 - Question 5

In frogs, chyme is passed to the ______

Detailed Solution: Question 5

Duodenum is the first part of the small intestine. Food ingested by the frog is churned with bile, pancreatic juices and hydrochloric acid in the stomach to form an acidic mixture called chyme. This is passed to the duodenum.

Topic in NCERT: Digestive System

Line in NCERT: "Partially digested food called chyme is passed from stomach to the first part of the small intestine, the duodenum."

Test: Frog - 2 - Question 6

Pancreatic juice is delivered to the duodenum by the _______

Detailed Solution: Question 6

Pancreatic juice is first delivered from the pancreas to the common bile duct via the pancreatic duct. The common bile duct, which also receives bile from the gall bladder delivers its contents into the duodenum.

Topic in NCERT: Digestive System

Line in NCERT: "The duodenum receives bile from gall bladder and pancreatic juices from the pancreas through a common bile duct."

Test: Frog - 2 - Question 7

Where does final digestion take place in frogs?

Detailed Solution: Question 7

Final digestion in frogs takes place in the intestine where pancreatic juices break down proteins and carbohydrates and bile break down fat. The undigested food moves to the rectum end exits through the cloaca.

Topic in NCERT: Digestive System

Line in NCERT: "Final digestion takes place in the intestine."

Test: Frog - 2 - Question 8

In frogs, the undigested food passes out through the ______

Detailed Solution: Question 8

The undigested food in frogs is passed out through the cloaca. The rectum lies before the cloaca. The undigested food is digested completely in the intestine and passed into the cloaca via the rectum.

Topic in NCERT: Digestive System

Line in NCERT: "The undigested solid waste moves into the rectum and passes out through cloaca."

Test: Frog - 2 - Question 9

Which of the statements given above is/are correct?

i. The excretory system of the frog includes a pair of kidneys, ureters, cloaca, and urinary bladder.

ii. Frogs primarily excrete ammonia as their nitrogenous waste.

iii. The frog's brain is divided into fore-brain, mid-brain, and hind-brain.

iv. Frogs possess a well-developed external ear for hearing.

Detailed Solution: Question 9

To determine the correct statements:

- Statement i is correct. The frog’s excretory system does consist of a pair of kidneys, ureters, cloaca, and urinary bladder.

- Statement ii is incorrect. Frogs primarily excrete urea, which classifies them as ureotelic animals, not ammonia.

- Statement iii is correct. The frog's brain is indeed divided into fore-brain, mid-brain, and hind-brain.

- Statement iv is incorrect. Frogs do not possess external ears; they have a tympanum for hearing which is not an external ear structure.

Thus, the correct statements are i and iii, making Option B the right choice.

Test: Frog - 2 - Question 10

What method do frogs use for respiration while in water?

Detailed Solution: Question 10

Frogs primarily use cutaneous respiration in water, allowing them to absorb oxygen through their skin.

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