|
|
|
|
|
| 11. |
Law of dominance was given by: |
| A. |
Mendel |
B. |
Weismann |
| C. |
de Vries |
D. |
Darwin |
Answer: Option A
Explanation:
|
| 12. |
Who observed sperms for the first time? |
| A. |
Graff |
B. |
Leeuwenhock |
| C. |
Swammerdon |
D. |
None of these |
Answer: Option B
Explanation:
|
| 13. |
Who discovered the ova for the first time: |
| A. |
Graff |
B. |
Malpighi |
| C. |
Swammerdon |
D. |
All of these |
Answer: Option D
Explanation:
|
| 14. |
The worker who studied experimentally and proposed the laws of heredity was: |
| A. |
Muller |
B. |
Morgan |
| C. |
Maipighi |
D. |
Mendel |
Answer: Option D
Explanation:
|
| 15. |
Unit factor term for controlling characters of individuals was given by: |
| A. |
Mendel |
B. |
Morgan |
| C. |
Malpighi |
D. |
None of these |
Answer: Option A
Explanation:
|
| 16. |
Mendel selected which of the following traits for his studies: |
| A. |
Stem length (tall or dwarf), flower position (apical or axial) |
B. |
Flower colour (purple or white), seed shape (round or wrinkled) |
| C. |
Colour of pod (green or yellow), cotyledon colour (yellow or green) |
D. |
All of these |
Answer: Option D
Explanation:
|
| 17. |
Which of these characters is dominant: |
| A. |
Axial position of flowers |
B. |
Apical position of flowers |
| C. |
Green colour of cotyledons |
D. |
Wrinkled shape of seeds |
Answer: Option A
Explanation:
|
| 18. |
If a tall plant is crossed with a dwarf plant the cross is called: |
| A. |
Test cross |
B. |
Backcross |
| C. |
Green colour of cotyledons |
D. |
Wrinkled shape of seeds |
Answer: Option C
Explanation:
|
| 19. |
If a genotype is not known it is crossed with recessive parent to reveal what is hidden then the cross is known as: |
| A. |
Backcross |
B. |
Monohydrid cross |
| C. |
Test cross |
D. |
Dihybrid cross |
Answer: Option C
Explanation:
|
| 20. |
Who formulated chromosomal theory of inheritance: |
| A. |
Sutton |
B. |
Morgan |
| C. |
Bateson |
D. |
Johannsen |
Answer: Option A
Explanation:
|
Read more:
|
|