Entry Test MCQ :: Variation and Genetics
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| 21. |
Phenotype represents |
| A. |
Morphology |
B. |
Physiology |
| C. |
Genetics |
D. |
None of these |
Answer: Option A
Explanation:
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| 22. |
During test cross, if all offsprings are phenotypically dominant then parents are |
| A. |
Homozygous |
B. |
Heterozygous |
| C. |
One homozygous other heterozygous |
D. |
None of these |
Answer: Option A
Explanation:
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| 23. |
True breeding variety is produced by |
| A. |
Self fertilization |
B. |
Cross fertilization |
| C. |
Both of these |
D. |
None of these |
Answer: Option A
Explanation:
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| 24. |
Genotype ratio of Mendel's law of independent assortment is |
| A. |
3:(a) |
B. |
1:02:01 |
| C. |
9:3:3:(a) |
D. |
None of these |
Answer: Option D
Explanation:
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| 25. |
Which of the following is universal donor? |
Answer: Option D
Explanation:
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| 26. |
Such inheritance in which traits vary quantitatively is |
| A. |
Continuously varying trait |
B. |
Incomplete dominance |
| C. |
Test cross |
D. |
Polygenic inheritance |
Answer: Option D
Explanation:
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| 27. |
Inheritance in man is traced by |
| A. |
Mathematical method |
B. |
Genetic method |
| C. |
Statistical method |
D. |
Pedigree method |
Answer: Option D
Explanation:
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| 28. |
Skin colour in man is controlled by |
| A. |
1 pair |
B. |
2 pairs |
| C. |
4 pairs |
D. |
8 pairs |
Answer: Option C
Explanation:
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| 29. |
Feature correct to O-negative blood group |
| A. |
A,B antigen present |
B. |
Anti-A, Anti-B antibody present |
| C. |
Rh antigen present |
D. |
Rh antibody present |
Answer: Option B
Explanation:
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| 30. |
Which of the following blood group is always heterozygous? |
Answer: Option C
Explanation:
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