Top 500+ TRB Botany Question Paper with Answers - 4

Question: 16

Vitamin D is manufactured in a healthy human being by the action of _____ on the skin and absorbed in the blood stream.

(A) Sunlight

(B) Radium

(C) Moonlight

(D) Ozone

Question: 17

Which of the following is not a digestive enzyme?

(A) renin

(B) insulin

(C) arnelepsin

(D) pepsin

Question: 18

The bone of which of the following organ in the human body is the longest?

(A) spinal cord

(B) ankle bone

(C) thigh

(D) rib cage

Question: 19

An artificial kidney works on the principle of

(A) osmosis

(B) diffusion

(C) active

(D) dialysis

Question: 20

Potatoes are borne on

(A) lateral roots

(B) stem branches

(C) primary roots

(D) secondary roots