| 1 |
In humans, a sperm has 23 chromosomeds. Egg cell has. |
- A. 23 chromosomes
- B. 46 chromosomes
- C. No chromosomes
- D. 69 Chromosomes
|
| 2 |
Chromosomes consist of DNA and. |
- A. Sperms
- B. Gametes
- C. Proteins
- D. Eggs
|
| 3 |
The section of DNA which has information for making a specific protein is called. |
- A. DNA strand
- B. Nucleotide
- C. Chromosomes
- D. Gene
|
| 4 |
An event that occurs during interphase. |
- A. Division of nuclesu
- B. Duplication of chromosomes
- C. Division of cytoplasm
- D. Formation of cell wall
|
| 5 |
Which fo these is NOT a genetic variation. |
- A. Attached earlobes
- B. Blood group
- C. Eye colour
- D. Mark of cut on skin
|
| 6 |
The basic physical and functional unit of heredity is called. |
- A. DNA
- B. RNA
- C. Centronere
- D. Gene
|
| 7 |
The colour of eyes in an organism is controlled by a. |
- A. Egg
- B. Zygote
- C. Chromosomes
- D. Gene pair
|
| 8 |
In maize, there are hromosomes. |
|
| 9 |
In meiosis, the nucleus of a cel dividies. |
- A. One time
- B. Three times
- C. Four times
- D. Five times
|
| 10 |
The transmission of characteristics from parents to off spring is called. |
- A. Heredity
- B. Inheritance
- C. Non-inheritance
- D. Both a and b
|
