The examples (s) of modified leaves are

1. tendrils of pea

2. spines of cacti

3. pitcher of the pitcher plant

4. all of the above.

Which floral family has (9) + 1 arrangement of anthers in the androecium?

1. Malvaceae

2. Rutaceae

3. Fabaceae

4. Caesal pinaceae

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)