Offset

Q.

In Eichhornia, the purpose of stem modification is

1. Water storage

2. Vegetative propagation

3. Photosynthesis

4. Defense

Q. Offsets are produced by

1. Parthenocarpy
2. Mitotic division
3. Meiotic division
4. Parthenogenesis

Q. Triticale is developed by ____________ method.

1. Cross pollination
2. Genetic engineering
3. Sexual reproduction
4. Somatic hybridization

Q.

In Eichhornia, the purpose of stem modification is:

1. Water storage

2. Vegetative propagation

3. Photosynthesis

4. Defense

Q.

vegitative propagation by the structure "sucker" is seen in which plant ? example ?

Q. Which one of the following organisms reproduces sexually only once in its life time?

1. Banana plant
2. Mango
3. Tomato
4. Eucalyptus

Q. Rahul went to a plant nursery with his father. He did not find fully grown plants there. What could be the reason for this? 2M

Q. In a garden, the gardener cut the apical bud of Lawsonia (mehandi) because

1. The length should be limited in Lawsonia.
2. Due to the cutting of apical bud, the effect of Auxins decreases and lateral bud grows and forms dense appearance that is why it can give a definite shape.
3. Other apical bud grows quickly due to cut of apical bud.
4. Due to the cutting of apical bud effect of Ethylene decreases and the plant grows rapidly.

Q.

Which of these stem modifications are seen in aquatic plants?

1. Runner

2. Stolon

3. Sucker

4. Offset