| 1 |
250 years age, the population of world was approximately ------------ million. |
- A. 400
- B. 500
- C. 600
- D. 700
|
| 2 |
The current level of urbanization in Pakistan is about_____ which is not high by global standards. |
- A. 23%
- B. 32%
- C. 36%
- D. 39%
|
| 3 |
Ectoparasite is |
- A. Ascaris
- B. Amoeba
- C. Leech
- D. Plasmodium
|
| 4 |
Which one of the following is a tertiary consumer: |
- A. Owl
- B. Larwa of butterfly
- C. Deer
- D. Rabbit
|
| 5 |
Ectoparasite is: |
- A. Ascaris
- B. Amoeba
- C. Plasmodium
- D. Leech
|
| 6 |
During nitrogen fixation nitrogen is converted into: |
- A. Nitrates
- B. nitrates
- C. ammonia
- D. all to these
|
| 7 |
An epiphyte is an example of: |
- A. Parasitism
- B. Mutualism
- C. Commensalism
- D. Symbiosis
|
| 8 |
The basic tropic level of all food chain is. |
- A. Producers
- B. Consumers
- C. Decomposers
- D. Reducers
|
| 9 |
Dengue fever is an infection of. |
- A. Algal
- B. Viral
- C. Fungal
- D. Bacterial
|
| 10 |
An examples of carnivore plant is. |
- A. Rose plant
- B. Mosses
- C. Pitcher plant
- D. Ferns
|