Vegetative Propogation

Q.

Explain why some plants are propagated only by vegetative methods?

Q.

Which parts of a plant is used in its asexual reproduction?

1. vegetative parts

2. floral parts

3. reproductive parts

4. genetic components

Q. Name the parts of the following plants from which vegetative propagation takes place.
Potato
Bryophyllum
Rose

Q.

Assertion:nodes in potato tubers give rise to new shoots.

Reason: new shoots take their nutrient supply from the soil where they are growing

1. A is true R is false

2. A is false , R is true

3. A and R both are true

4. A and R both are false

Q.

Give one word for the following:
A common practice in horticulture for propagating plants.

Q.

The benefit which can be derived by horticulturists through artificial vegetative propogation is_______________.

1. life span of plants in increased

2. plants water intake is reduced

3. genetic characteristics are maintained intact in offspring

4. fruit and flower production is enhanced

Q.

In plant tissue culture, new plants can be produced from leaves, anther, ovary or root. What could be the reason?

1. plant cells give rise to new plants by hormonal affect

2. genes are stimulated for giving rise to new plants

3. all plant cells are totipotent

4. special nutrients supplied to plant parts produce new plants

Q. How is a CAT scan more useful in diagnostic imaging?

Q. Computerized axial tomography scan involves which of the following technique?

1. Magnetic resonance
2. X-ray
3. Cosmic rays
4. Both A and B