Sweet potato is a modified

1. Rhizoid

2. Stem

3. Adventitious Root

4. Leaf

Placentations given below in the diagrams are

1. a - Basal, b- Axile, c- Free central, d - Parietal
2. a - Marginal, b- Axile, c- Basal, d - Superfecial
3. a - Marginal, b- Free central, c- Basal, d - Axile
4. a - Marginal, b- Axile, c- Parietal, d - Free central

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.

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