1 |
The optimum temperature for the germination of the seeds of most plants ranges from: |
- A. 20 - 30 <sup>o</sup>C
- B. 25 - 35<sup>o</sup>C
- C. 25 - 30<sup>o</sup>C
- D. 20 - 25<sup>o</sup>C
|
2 |
The plant in which vegetation propagation occurs by leave is called: |
- A. Ginger
- B. Ferns
- C. Water lily
- D. Bryophylum
|
3 |
A corn developers into new garlic plant. This process is called: |
- A. Natural vegetation propagation
- B. Regeneraton
- C. Meiosis
- D. Gametogenesis
|
4 |
The latest method of vegetative propagation is: |
- A. Budding
- B. Bulbs
- C. Cuttings
- D. Cloning
|
5 |
Which of followings reproduces by bulbs? |
- A. Garlic
- B. Ginger
- C. Terns
- D. Tulips
|
6 |
Which of these cells have haploid number of chromosomes: |
- A. Spermatogonium
- B. Primary spermatocyte
- C. Secondary spermatocyte
- D. All of these
|
7 |
Pollination is the transfer of pollens from: |
- A. Anther to sigma
- B. Stigma to anther
- C. Sepal to petal
- D. Petal to sepal
|
8 |
Double fertilization in plants means: |
- A. Fusion of two sperm with two egg cells.
- B. Fusion of one sperm with egg cell and other sperm with fusion nucleus
- C. Fusion of two sperm with single egg cell
- D. Fusion of tube nucleus with fusion nucleus and sperm egg cell
|
9 |
Every mature ovary is called: |
- A. Seed
- B. Fruit
- C. Flower
- D. Sporangia
|
10 |
Each spore is covered with a thick wall called: |
- A. Membrane
- B. Semipermeable memebrane
- C. Fragment
- D. Cyst
|