In marginal placentation, the placenta forms a ridge along the:

1. Ventral suture of the ovary

2. Dorsal suture of the ovary

3. Anterior suture of the ovary

4. Posterior suture of the ovary

A lateral branch with short internodes and each node bearing a rosette of leaves and a tuft of roots is found in:

1. Chrysanthemum

2. Pistia

3. Jasmine

4. Pineapple

Zygomorphic flower is not found in:

1. Cassia

2. Canna

3. Gulmohur

4. Bean

The following diagram can represent the position of the ovary in:

1. Brinjal

2. Guava

3. Rose

4. Mustard

Ovary is one-chambered but becomes two-chambered due to the formation of the false septum in:

1. Argemone

2. Salvia

3. Cassia

4. Primrose

Which of the following is not a correct floral character of the members of family Solanaceae?

1. Flower : Zygomorphic

2. Calyx : Valvate aestivation

3. Stamens : Epipetalous

4. Fruit : Berry or capsule

Pneumatophores are seen in:

1. Rhizophora

2. Banyan tree

3. Carrot

4. Turnip

When a shoot tip transforms into a flower,

1. It is always solitary

2. The flower is always short-lived

3. It is never solitary

4. The flower is always long-lived

Some foliar roots also produce adventitious roots as in:

1. Oxalis

2. Coleus

3. Tapioca

4. Bryophyllum

Chief characteristics of stem do not include:

1. Develops from the plumule

2. Positive phototropic nature

3. Presence of nodes and internodes

4. Endogenously developed multicellular hair