Coconut's husk fibre, coir of commerce is extracted from

1. epicarp

2. mesocarp

3.endocarp

4. all of these

The given figure shows L.S of the seed of maize. What do A, B, C, and D represent?

Plants having the above given floral diagram are 

1. leguminous

2. dicots

3. medicinal and perennial

4. having pinnately compound leaves

Flower of Liliaceae is

1. actinomorphic

2. epipetalous

3. pentamerous

4. imperfect

The floral formula  represents

1. Solanum nigrum

2. Hibiscus rosa-sinensis

3. Citrus aurantum

4. Brassica campestirs

Which of the following is incorrect about A, B, C and D:
1. Tap roots of carrot, turnip and adventitious root of sweet potato, get swollen and store food

2. Pneumatophores help to get oxygen for respiration

3. Pneumatophore is found in the plants that grow in sandy soil

4. A, B and C are underground roots but D grows vertically upwards

Thorn of Citrus and Bougainvillea is modified:

1. Stem              

2. Root               

3. Leaf                

4. Inflorescence

Offset is one internode-long runner and its each node bears rosette of leaves and a tuft of roots. It is found in aquatic plants like:

1. Hydrilla           

2. Pistia              

3. Eichhornia      

4. Both (2) and (3)

Leafbase is swollen to form pulvinus in:

1. Some leguminous plants              

2. Some crucifers

3. Some monocots                           

4. Some cycads

Which of the following statements is false about a leaf?
1. A leaf is said to be simple, when its lamina is entire or when incised, the incisions do not touch the midrib

2. A leaf is said to be compound when the incisions of lamina reach up to the midrib breaking into several leaflets

3. Leaf is the most important vegetative organ for photosynthesis

4. Leaf is not a transpiratory organ