| 1 |
In volvox asexual cell produced: |
- A. Daughter colonies
- B. Sperm
- C. Egg
- D. All
|
| 2 |
O3, Ozone is _________ molecules. |
- A. Homoatomic
- B. Hetroatomic
- C. Monoatomic
- D. Nil
|
| 3 |
Which of the following can be separated by physical means?<br> |
- A. Mixture <br>
- B. Element <br>
- C. Compound <br>
- D. Radical <br>
|
| 4 |
____________ Metals are electronegative in nature. |
- A. Pure-
- B. Noble-
- C. Non-
- D. Nil
|
| 5 |
A _________ is a pure substance is made up of two or more elements. |
- A. Mixture
- B. Elements
- C. Solution
- D. Compound
|
| 6 |
All of the following are tri-atomic molecules except:<br> |
- A. H<sup>2</sup>
- B. O<sup>3</sup>
- C. H<sup>2</sup>O
- D. CO<sup>2</sup>
|
| 7 |
biology bis classified as ___________ science. |
- A. Engineering
- B. Physical
- C. Natural
- D. Chemical
|
| 8 |
Scientist used ___________ method. |
- A. Scientific
- B. Non-scientific
- C. Bot
- D. Non
|
| 9 |
Salt & water is a _________ mixture. |
- A. Homogeneous
- B. Heterogeneous
- C. It is not mixture
- D. Nil
|
| 10 |
Amadeo Avogadro was a _______________ scientist. |
- A. Italian
- B. English
- C. Greek
- D. Russian
|