CSS :: Agriculture Genetics Plant Breeding and Biotechnology
|
|
|
For students in search of
- Hydroponic Gardening
-
Guides - Basics to Experts level
-
Growing fruit and vegetables hydroponically
-
Practical daily questions or queries of hydroponics lovers
-
Current Hydroponics and Indoor Gardening Market Growth as well as Trends
|
|
31. |
A method of breeding most commonly used when the desired variation is required to be induced in a vegetatively propagated crop is: |
A. |
Polyploidy |
B. |
Pedigree method of breeding |
C. |
Mutation breeding |
D. |
Backcross method of breeding |
Answer: Option A
Explanation:
|
32. |
A mixture of two immiscible liquids shaken up is: |
A. |
Saturated solution |
B. |
A suspension |
C. |
An emulsion |
D. |
Colloid |
Answer: Option C
Explanation:
|
33. |
A plant bearing both male and female flowers is said to be: |
A. |
Dioecious |
B. |
Monoecious |
C. |
Polygamous |
D. |
None of above |
Answer: Option B
Explanation:
|
34. |
A plant breeder is interested to control pollination to: |
A. |
Prevent cross-pollination |
B. |
Control pollination |
C. |
None of these |
D. |
Both of these |
Answer: Option D
Explanation:
|
35. |
A plant cell when put into a hypotonic solution, it unlike animal cell does not brust because: |
A. |
It has no semi-permeable membrane |
B. |
It has inelastic cell wall |
C. |
All both (a) & (b) |
D. |
None of the above |
Answer: Option B
Explanation:
|
36. |
A plant with 2n = 20 will have how many linkage group: |
Answer: Option B
Explanation:
|
37. |
A plant with genotype Gg Ww will produce gametes of which of the following types? |
A. |
GW, gw, gW,Gw |
B. |
GG,WW,gg,ww |
C. |
Gw,GG,GW |
D. |
All of them |
Answer: Option A
Explanation:
|
38. |
With the increase in temperature, the solubility of solid in a liquid: |
A. |
Increases |
B. |
Decreases |
C. |
Both (a) & (b) |
D. |
None of the above |
Answer: Option A
Explanation:
|
39. |
A restorer gene is present in: |
A. |
Nucleus |
B. |
Cytoplasm |
C. |
Both (a) & (b) |
D. |
None of these |
Answer: Option A
Explanation:
|
40. |
A state of meiotic cell division when homologous chromosomes separate and move to different poles is known as: |
A. |
Metaphase I |
B. |
Anaphase I |
C. |
Telophase I |
D. |
Anaphase II |
Answer: Option B
Explanation:
|
Read more:
|
|