| 1 |
Chromosoems are made of. |
- A. DNA only
- B. DNA, Proteins and fats
- C. Proteins only
- D. DNA, and proteins
|
| 2 |
Chromosomes consist of DNA and. |
- A. Sperms
- B. Gametes
- C. Proteins
- D. Eggs
|
| 3 |
Symbol and formulae of the reactants are written on....... side fo arrow. |
- A. Left
- B. Right
- C. Upward
- D. Both side
|
| 4 |
Telescope on the Earth suffers from the defect that light coming from the stars has to pass through. |
- A. Space
- B. Water
- C. Atmosphere
- D. Clouds
|
| 5 |
What may be the objectiv eof genetic modifications of plants. |
- A. Production of disease resistant plants
- B. Improvement in nutritional quality of plants.
- C. Production of herbicide resistant plants.
- D. All of these
|
| 6 |
A food chain starts from the.......... |
- A. Primary carnivores
- B. Herbivores
- C. Producers
- D. Top carnivores
|
| 7 |
The organisms upon whihc a redator feeds are called. |
- A. Prey
- B. Carnivores
- C. Herbivores
- D. Producers
|
| 8 |
Hypertension is coused by. |
- A. Low B.P
- B. Lower Sugar
- C. High B.P
- D. Higher sugar
|
| 9 |
In meiosis, the nucleus of a cel dividies. |
- A. One time
- B. Three times
- C. Four times
- D. Five times
|
| 10 |
A student pushes against a tree with a force of 10 newtons. The tree does not move. What is the amount of force exerted by the treen on the student. |
- A. 0
- B. 5 N
- C. 10 N
- D. 20 N
|