TRB Polytechnic Lecturer Exam Question Paper for Botany - 1

Question: 1

Which of the following chemicals is used for athletes preserving fruit juices?

(A) Ammonium sulphate

(B) Potassium nitrate

(C) Sodium hydroxide

(D) Sodium benzoate

Ans: D

Sodium benzoate

Question: 2

Cholera bacillus was discovered by

(A) Robert Koch

(B) Louis Pasteur

(C) Joseph Lister

(D) Ronald Ross

Ans: A

Robert Koch

Question: 3

Pituitary gland is present

(A) below the brain

(B) above the brain

(C) inside the brain

(D) nowhere near the brain

Ans: A

below the brain

Question: 4

Name the organs of human body that never rest

(A) Heart and Kidney

(B) Tonsils and Heart

(C) Appendix and Kidney

(D) Brain and Kidney

Ans: A

Heart and Kidney

Question: 5

Which of the following is not a mammal?

(A) Whale

(B) Eephant

(C) Fish

(D) Bat

Ans: C


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