1000+ TNPSC Botany Previous Year Questions Pdf - 2

Question: 6

Longest fibres are found in

(A) Coir

(B) Cotton

(C) Jute

(D) Sunn Hemp

Question: 7

Transfer of pollengrain from pollensac to stigma is called

(A) Germination

(B) Fertilization

(C) Thalmus

(D) Pollination

Question: 8

Which one of the following crops would be preferred for sowing in order to enrich the soil with nitrogen?

(A) Gram

(B) Mustard

(C) Wheat

(D) Sunflower

Question: 9

From which part of plant yields opium?

(A) Root

(B) Flower

(C) Fruit

(D) Leaves

Question: 10

An instrument for measuring the rate of transpiration is

(A) Potometer

(B) Hygrometer

(C) Psychrometer

(D) Porometer