| 1 |
Zygote is formed by the fusion of. |
- A. Two sperm cells
- B. Two egg cells
- C. Two somatic cells
- D. Sperm cell andegg cell
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| 2 |
Chromosoems are made of. |
- A. DNA only
- B. DNA, Proteins and fats
- C. Proteins only
- D. DNA, and proteins
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| 3 |
In humans, the eye colour is developed due to the effects of. |
- A. Diet
- B. Environment
- C. Genes
- D. Both a and b
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| 4 |
A process by which a cell divides into two daughter cells. |
- A. Life Cycle
- B. Cell division
- C. Cell Cycle
- D. Alternationof generation.
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| 5 |
In pea, there are chromosomes. |
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| 6 |
During interphase.............. in the nucleus are duplicated. |
- A. DNA
- B. Gametes
- C. Cytokinesis
- D. Chromosomes
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| 7 |
The section of DNA which has information for making a specific protein is called. |
- A. DNA strand
- B. Nucleotide
- C. Chromosomes
- D. Gene
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| 8 |
Chromosomes are........... structures. |
- A. Round
- B. Circular
- C. Long
- D. Thread like
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| 9 |
Which fo these is NOT a genetic variation. |
- A. Attached earlobes
- B. Blood group
- C. Eye colour
- D. Mark of cut on skin
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| 10 |
DNA is called.......... material. |
- A. Hereditary
- B. Plasma
- C. Meiotic
- D. Chromatic
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