| 1 |
Temperature around 4<sup>o</sup>C stimulates the production of. |
- A. Florigen
- B. Vernalin
- C. Ethene
- D. Auxins
|
| 2 |
The light which promotes germination of fern spores. |
- A. green
- B. Yellow
- C. Red
- D. White
|
| 3 |
A fluid is secreted to provide liquid medium, protection and nourishment. |
- A. Corpus luteum
- B. Follicle
- C. Ilterus
- D. Sertoli
|
| 4 |
The condition in which biennial and perennial plants are stimulated to flower by exopod to low temperature is called. |
- A. Photoperioclism
- B. Vernalization
- C. Apomixis
- D. Partheiogenesis
|
| 5 |
Germinating pollen grain is a rich source of |
- A. Gibberellins
- B. Auxins
- C. Cytokinin
- D. Ethene
|
| 6 |
Information back from the control centre to the effectors as done by ______________ nerve path way. |
- A. Afferent
- B. Efferent
- C. Both
- D. None of these
|
| 7 |
Photoperiodism was first studied by garner and allured in. |
- A. 1918
- B. 1920
- C. 1922
- D. 1924
|
| 8 |
The mammalism forebrain is differetiated into the thalamus, imbic system and the: |
- A. Cerebellum
- B. Cerebrum
- C. Hippocampus
- D. Hypothalamus
|
| 9 |
Parthenocarpy is the development of fruit without. |
- A. Pollination
- B. Germination
- C. Fertilization
- D. Hormones
|
| 10 |
The hormones which controls the development of male secondary sexual characteristics during puberty is. |
- A. Progesterone
- B. Testosterone
- C. Estrogen
- D. Thyroxin
|