TS Polycet (Polytechnic) 2022 Previous Question Paper with Answers And Model Papers With Complete Analysis

146) ______ serves as a shock-absorbing medium and protects the brain against shocks/jerks along with the meninges and cranium

A) Lymph
B) cerebrospinal fluid
C) Blood
D) None of the above

View Answer

B) cerebrospinal fluid

Explanation:Cerebrospinal fluid (CSF) protects the brain from shocks along with meninges and cranium.
cerebrospinal fluid

147) Which part of the brain controls the emotions?

A) Cerebrum
B) Diencephalon
C) Mid brain
D) Cerebellum

View Answer

B) Diencephalon

Explanation:Diencephalon (especially the hypothalamus) controls emotions.
Diencephalon

148) The mode of nutrition in Paramoecium is

A) Ingestion
B) Absorbtion
C) Parasitic
D) Saprophytic

View Answer

A) Ingestion

Explanation:Paramoecium uses ingestion to feed (holozoic nutrition).
Ingestion

149) External fertilization is observed in

A) Monkeys
B) Humans
C) Fish
D) All of the above

View Answer

C) Fish

Explanation:External fertilization occurs in fish (not in mammals like monkeys or humans).
Fish

150) _____ are fat soluble vitamins.

A) B & C
B) A & C
C) B & D
D) A & D

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D) A & D

Explanation:A and D are fat-soluble vitamins (along with E and K).
A & D

151) The structural and functional unit of nervous system is

A) Neuron
B) Nephron
C) Osteocytes
D) None of the above

View Answer

A) Neuron

Explanation:The neuron is the basic structural and functional unit of the nervous system.
Neuron

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