NEET Plant Tissue Culture Questions and Answers - 1

Question: 1

Cryopreservation means it is a process to preserve plant cells, tissues or organs

(A) At very low temperature of-196 by using liquid nitrogen

(B) At very low temperature by using liquid nitrogen

(C) At very high temperature by using liquid nitrogen

(D) At very low temperature by using ether

Ans: A

At very low temperature of-196 by using liquid nitrogen

Question: 2

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

(A) 10 to 20 minutes and 121° C

(B) 10 to 30 minutes and 125° C

(C) 15 to 30 minutes and 121° C

(D) 15 to 20 minutes and 125° C

Ans: C

15 to 30 minutes and 121° C

Question: 3

Synseeds are developed by encapsulating embryoids with

(A) Potassium dichromate

(B) Potassium iodide

(C) Sodium chloride

(D) Sodium alginate

Ans: D

Sodium alginate

Question: 4

Identify the cryoprotectant

(A) Glycerol

(B) Sodium alginate

(C) Dimethylformamide

(D) Fructose

Ans: A

Glycerol

Question: 5

Identify the plant tissue used for virus-free germplasm

(A) Apical meristem

(B) Lateral meristem

(C) Intercalary meristem

(D) Plate meristem

Ans: A

Apical meristem

Question: 6

The production of secondary metabolites require the use of ______

(A) Cell suspension culture

(B) Virus free germ culture

(C) Organ culture

(D) Protoplast culture

Ans: A

Cell suspension culture

Question: 7

The enzymatic mixture for chemical isolation of protoplast is

(A) 0.1% macrozyme, 2% onozuka cellulase, 15% mannitol

(B) 0.5% macrozyme, 2% onozuka cellulase, 13% mannitol

(C) 1.5% macrozyme, 0.5% onozuka cellulase, 12% sorbitol

(D) 2% macrozyme, 0.5% onozuka cellulase, 13% sorbitol

Ans: B

0.5% macrozyme, 2% onozuka cellulase, 13% mannitol