Select correct option with respect to Rhizophora

(i) Grows in swampy area.

(ii) Pneumatophores are present for respiration.

(iii) Is halophyte.

(iv) Shows in-situ germination of seed.

1. All are correct.

2. All are correct except (iv).

3. All are correct except (i) & (iv).

4. All are correct except (i), (iii), & (iv).

In gourds and watermelon, the tendril is formed by
the modification of

1. Extra axillary bud.
2. Axillary bud and leaf respectively.
3. Leaf and axillary bud respectively.
4. Leaf.

If the margins of sepals or petals overlap one another
but not in particular direction, the aestivation is called

1. Imbricate       

2. Valvate       

3. Open          

4. Twisted          

Out of the following examples, how many are belonging
to Fabaceae, Solanaceae, Liliaceae?
Aloe, Indigofera, Asparagus, Colchicum, Belladonna,
Mulaithi

   Fabaceae  Solanaceae   Liliaceae  

1.       3               2            1
2.       2               2            2
3.       2               1            3
4.       4               1            1

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.

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