| 1 |
In volvox asexual cell produced: |
- A. Daughter colonies
- B. Sperm
- C. Egg
- D. All
|
| 2 |
The value of Avogadro 'no is: |
- A. 6.023×1024
- B. 6.023×1026
- C. 6.023×1023
- D. 6.023×1020
|
| 3 |
Potassium's atomic no. is : |
|
| 4 |
_________ shells of noble gases is complete. |
- A. Outer most
- B. 2
- C. 1
- D. Nil
|
| 5 |
Which one of the following element is found in most abundance in the earth's crust?<br> |
- A. Oxygen <br>
- B. Aluminum <br>
- C. Silicon <br>
- D. Iron <br>
|
| 6 |
An ion is a charged particles: |
- A. True
- B. False
- C. In some conditions
- D. Never
|
| 7 |
O3, Ozone is _________ molecules. |
- A. Homoatomic
- B. Hetroatomic
- C. Monoatomic
- D. Nil
|
| 8 |
Atoms as a whole is _________ |
- A. +
- B. _
- C. No
- D. Neutral
|
| 9 |
Mixture has _________ types. |
- A. 3
- B. 2
- C. 1
- D. No types
|
| 10 |
Scientist used ___________ method. |
- A. Scientific
- B. Non-scientific
- C. Bot
- D. Non
|
