TN 12TH BOTANY - Online Test

Q1. Which of the following is not a component of downstream processing?
Answer : Option D
Explaination / Solution:
No Explaination.


Q2.

Match the following :

Column A :

1) Totipotency

2) Dedifferentiation

3) Explant

4) Differentiation

Column B:

A) Reversion of mature cells into meristerm

B) Biochemical and structural changes of cells

C) Properties  of living cells  develops into  entire plant

D) Selected plant  tissue transferred  to culture  medium

Answer : Option C
Explaination / Solution:
No Explaination.


Q3. A specific place in an ecosystem, where an organism lives and performs its functions is
Answer : Option B
Explaination / Solution:
No Explaination.


Q4. Pond is a type of
Answer : Option D
Explaination / Solution:
No Explaination.


Q5. If ‘+’ sign is assigned to beneficial interaction, ‘-’ sign to detrimental and ‘0’ sign to neutral interaction, then the population interaction represented by ‘+’ ‘-’ refers to
Answer : Option D
Explaination / Solution:
No Explaination.


Q6. Which of the following is correctly matched?
Answer : Option C
Explaination / Solution:
No Explaination.


Q7. Depletion of which gas in the atmosphere can lead to an increased incidence of skin cancer?
Answer : Option D
Explaination / Solution:
No Explaination.


Q8.

Match Column I with Column II

Column I : Column II

i) William S. Gaud I) Heterosis

ii) Shull II) Mutation breeding

iii) Cotton Mather III) Green revolution

Muller and Stadler IV) Natural hybridization
Answer : Option B
Explaination / Solution:
No Explaination.


Q9.

Statement A: Coffee contains caffeine

Statement B: Drinking coffee enhances cancer
Answer : Option A
Explaination / Solution:
No Explaination.


Q10. Objective of plant breeding is
Answer : Option D
Explaination / Solution:
No Explaination.