Entry Test MCQ :: Variation and Genetics
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| 1. |
In which of the following cases, genotypic and phenotypic ratio will remain same in F2 generation |
| A. |
Law of independent assortment |
B. |
Law of Segregation |
| C. |
Test cross |
D. |
Incomplete dominance. |
Answer: Option D
Explanation:
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| 2. |
A pure breeding tall pea plant was crossed to dwarf plant what will be the frequency of dwarf plants in F1 |
Answer: Option D
Explanation:
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| 3. |
In question number 2 what will be frequency of dwarf plant in F2 |
Answer: Option A
Explanation:
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| 4. |
How many pairs of homologous chromosomes are present in Pisum sativum |
| A. |
Five pairs |
B. |
Six pairs |
| C. |
Seven pairs |
D. |
Eight pairs. |
Answer: Option C
Explanation:
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| 5. |
Which of the following characters of pea plant is dominant? |
| A. |
Axial flowers |
B. |
Yellow pods |
| C. |
White flowers |
D. |
Wrinkled seeds |
Answer: Option A
Explanation:
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| 6. |
A pea plant with yellow seed was crossed to a plant having green seeds. What will happen in F1; if plants are true breeding |
| A. |
All seeds will be yellow |
B. |
Half of seeds will be yellow |
| C. |
All the seeds will be green |
D. |
Both will be present in ratio of 1:2:1 |
Answer: Option A
Explanation:
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| 7. |
The position of a gene on chromosome is called |
| A. |
Habitat |
B. |
Position |
| C. |
Locus |
D. |
Location |
Answer: Option C
Explanation:
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| 8. |
Filial is a Latin word. It means |
| A. |
Spring |
B. |
Issue |
| C. |
Progeny |
D. |
Descendent |
Answer: Option C
Explanation:
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| 9. |
Which of the following condition is hybrid |
Answer: Option B
Explanation:
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| 10. |
Which of the following is monohybrid cross |
| A. |
TT x tt |
B. |
TTYy x Ttyy |
| C. |
Both of these |
D. |
None of these |
Answer: Option A
Explanation:
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