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Zoology MCQs for NEET — Practice Questions with Answers

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And R type question option for question number Statement (a) : The anterior region go glenoid cavity and humerus joint form joint of shoulder. Reason (R) : The joint of shoulder is ball and socket joint.

A. Both A and R are true, and R is correct explanation of A B. Both A and R are true, but R is not correct explanation of A C. A is true but R is false D. A is false but R is true

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Explanation

The glenoid cavity of the scapula and the head of the humerus form the shoulder joint, which is indeed a ball and socket joint. Thus, both statements A and R are true, and R is the correct explanation for A.

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And R type question option for question number Statement (a) : The joints of skull are immovable. Reason (R) : The bones of skull are joint with each other by strong collagen fibers.

A. Both A and R are true, and R is correct explanation of A B. Both A and R are true, but R is not correct explanation of A C. A is true but R is false D. A is false but R is true

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Explanation

The joints in the skull are immovable, known as sutures, and they are joined together by strong collagen fibers. Hence, both statements A and R are true, and R is the correct explanation for A.

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Which scientist has invented Antibodies?

A. Ernest chain B. Howard Florey C. Alexander Fleming D. Fleming

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Exoskeleton of periplaneta is protected due to ..........

A. Calcium carbonate B. Cutin C. Chitin D. Mucous

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Explanation

The exoskeleton of Periplaneta (cockroach) is primarily composed of chitin. Chitin is a long-chain polymer that provides structural strength and protection to the insect.

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On the head region of Cockroach .......... pairs of .......... and..... shaped eyes occur.

One pair, sessile compound and kidney shaped

Two pairs, stalked compound and round shaped

Many pairs, sessile simple and kidney shaped

Many pairs, stalked compound and kidney shaped

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Explanation

On the head of cockroach a pair of compound sessile kidney shaped eyes are present.

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Cell organelle with both oxidase and catalase enzyme is

Lysosome

Mitochondria

Peroxisomes

Sphaerosome

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Explanation

Peroxisomes are cell organelles that contain both oxidase and catalase enzymes. Oxidases are involved in the oxidation of substances, using oxygen to form hydrogen peroxide. Catalase then breaks down hydrogen peroxide into water and oxygen, protecting the cell from oxidative damage.

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Cockroach searches its food with the help of..........

A. Walking legs B. Mandibles C. Eye D. Antennae

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Explanation

Cockroaches use their antennae to search for food. The antennae are sensory organs that help in detecting chemical signals, vibrations, and other environmental cues which guide them towards food sources.

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In alimentary canal of Cockroach............ cells of midgut and hepatic caeca secrete enzymes.

A. Columnar B. Cuboidal C. Ciliated D. Striated

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Explanation

In the alimentary canal of a cockroach, the columnar cells of the midgut and hepatic caeca secrete digestive enzymes. These enzymes help in the breakdown of food particles for easier absorption.

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The haemolymph of Cockroach is mostly composed of .......... and ..........

A. Hemoglobin and blood cells. B. Plasma and uncertain shaped cells. C. Hemocyanin and plasma. D. Plasma and certain shaped cells.

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The heart of Cockroach is made up of........ units.

A. 13 B. 10 C. 12 D. 4

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