Which is incorrect with respect to pneumatophore?

1.  They are found in all aquatic plants

2.  They are also known as respiratory roots

3.  They bear small pores lenticels

4.  They have corky layer in lower part

Select incorrect statement with respect to racemose inflorescence

1. The main axis continues to grow

2. Peduncle bears flowers in basipetal/centrifugal manner

3. The main axis is not terminated into flower 

4.  It is an indeterminate inflorescence

Choose correct pair

    Placentation              Example

1.  Marginal         -    Dianthus, Silene

2.  Axile              -     Pea, Acacia

3.  Parietal          -     Lemon, Petunia

4.  Basal             -     Triticum, Sunflower

Position of ovary is superior in

1.  Hypogynous flower

2.  Perigynous flower

3.  Epigynous flower

4.  Mesogynous flower

Drupes are also called as stone fruits because

1.  The seeds are stone like 

2.  Endocarp is always hard and stony

3.  Pericarp is undifferentiated and sclerified

4.  The mesocarp is edible in most fruits 

The pitcher in pitcher plant is a modification of

1.  leaf base

2.  Petiole

3.  Lamina

4.  Leaf apex 

Coleoptile and coleorhiza are absent in

1.  Zea mays seed

2.  Triticum turgidum seed

3.  Gram seed

4.  More than one option is correct 

Underground modification of stem occurs for following special functions, except

1.  Storage of food

2.  Vegetative propagation

3.  Assimilation

4.  Perennation

In which type of placentation ovary is one chambered and the placenta bearing ovules develop on the inner wall of the ovary and, the number of placenta corresponds to the number of carpels?

1.  Marginal

2.  Parietal

3.  Axile

4.  Free central

Which one of the following combinations of floral characters is shown by potato family?

1.  Actinomorphic, bicarpellary and axile placentation with swollen placenta

2.  Zygomorphic, pentamerous, gamopetalae with endospermous seed

3.  Actinomorphic, hypogynous and monocarpellary

4.  Zygomorphic, polypetalae and parietal placentation