The region of part of root that increases the surface area for water absorption is

1. Root cap

2. Zone of elongation

3. Meristematic zone

4. Root hair

Study the following statements and choose the correct option.

I. Buds are present in the axil of leaflets of the compound leaf.

II. pulvinus leaf-base is present in some leguminous plants.

III. In Alstonia, the petioles expand, become green and synthesize food.

IV. Opposite phyllotaxy is seen in guava.

1. II and IV are correct but I and III are wrong

2. I and III are correct but II and IV are wrong

3. I and IV are correct but II and III are wrong

4. II, III and IV are correct but I is wrong

Select the correct statement with respect to mango and coconut

1. They develop from monocarpellary superior ovaries.

2. They develop from monocarpellary inferior ovaries.

3. They have fibrous epicarp.

4. They have fleshy edible mesocarp.

Which group contains insectivorous plants?

1. Bladderwort and Cuscuta

2. Cuscuta and Solanum

3. Venus fly trap and bladderwort

4. Solanum and Venus fly trap

Which of the following is not the lateral branches of the roots?

1. Tertiary roots

2. Secondary roots

3. Primary roots

4. Both 1 and 2

Which of the following combinations is false?
1. Apocarpous – Carpels free – Lotus, Rose.
2. Syncarpous – Carpels fused – Mustard, tomato.
3. Placentation – arrangement of ovules within ovary.
4. Arrangement of ovules within ovary – ovulation.

Which of the following is mis-matched pair?
1. Belladonna - Medicine - Solanaceae
2. Asparagus- Vegetable - Liliaceae
3. Trifolium- Ornamental plant - Fabaceae
4. Tobacco - Fumigatory - Potato family

The placentation having only single ovule is
1. Marginal
2. Axile
3. Basal
4. Parietal

Which of the following is wrong for the representation of the flower in the floral diagram?

In floral diagram a dot at the top of diagram represents
1. Position of ovary
2. Aestivation
3. Mother axis
4. Cohesion