| 1 |
Cocklebur (Xanthium),chrysanthemum,soyabean,tobacco,strawberry are examples of |
- A. Short day plants
- B. Long day plants
- C. Day-neutral plants
- D. None of these
|
| 2 |
Reptiles and birds are. |
- A. Viviparous
- B. Ovlparous
- C. Marsupial
- D. Ovoviviparous
|
| 3 |
Fruit ripening is due to the production of. |
- A. Auxins
- B. Cytokinin
- C. Gibberellin
- D. Ethane
|
| 4 |
All of the following are day neutral plants except. |
- A. Pea
- B. Wheat
- C. Maize
- D. Cotton
|
| 5 |
Vehicle for transport of male gamete in land plants is |
- A. Water
- B. Pollen tube
- C. Pollen grain
- D. Wind
|
| 6 |
The temperature more effective for vernalization is |
- A. 4 <sup>o</sup>C
- B. 8<sup>o</sup>C
- C. 12<sup>o</sup>C
- D. 16<sup>o</sup>C
|
| 7 |
The mammalism forebrain is differetiated into the thalamus, imbic system and the: |
- A. Cerebellum
- B. Cerebrum
- C. Hippocampus
- D. Hypothalamus
|
| 8 |
Second meiotic division in oocytes, until fertilization proceeds as far as. |
- A. Prophase
- B. Metaphase
- C. Telophase
- D. Anaphase
|
| 9 |
Most of the major orangs of embryo are formed within the. |
- A. 10 week
- B. 12 week
- C. 14 week
- D. 15 week
|
| 10 |
Soyabean is an example of plants. |
- A. Short day
- B. Long day
- C. Dary neutral
- D. Day independent
|