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12th Standard English Medium Biology (Botany) Subject Plant Tissue Culture Book Back 1 Mark Questions with Solution Part - I updated Book back Questions

Published on: 13/05/2022

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Std: 12th Standard - Biology

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Questions:

Multiple Choice Question

5 x 1 = 5

Which of the following statement is correct

(a)

Agar is not extracted from marine algae such as seaweeds

(b)

Callus undergoes differentiation and produces somatic embryoids.

(c)

Surface sterilization of explants is done by using mercuric bromide

(d)

P^H of the culture medium is 5.0 to 6.0

The time duration for sterilization process by using autoclave is ______ minutes and the temperature is ______.

(a)

10 to 30 minutes and 125° C

(b)

15 to 30 minutes and 121° C

(c)

15 to 20 minutes and 125° C

(d)

10 to 20 minutes and 121° C

Match the following :
1) Totipotency A) Reversion of mature cells into meristem 2) Dedifferentiation B) Biochemical and structural changes of cells 3) Explant C) Properties of living cells develops into entire plant 4) Differentiation D) Selected plant tissue transferred to culture medium

(a)

1 2 3 4 C A D B

(b)

1 2 3 4 A C B D

(c)

1 2 3 4 B A D C

(d)

1 2 3 4 D B C A

Micro propagation involves _____.

(a)

vegetative multiplication of plants by using micro-organisms.

(b)