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

Match aerial modifications of stem given in column I with their descriptions in column II and choose your answer from the codes given below:

Codes:

In racemose type of branching:

1. Branches continue to grow indefinitely and give off further branches laterally in a basipetal order

2. Branches continue to grow indefinitely and give off further branches laterally in an acropetal order

3. Branches stop growing after some time and give off further branches laterally in a basipetal order

4. Branches stop growing after some time and give off further branches laterally in an acropetal order

In Australian Acacia, the petiole or any part of rachis becomes flattened taking the shape of a leaf and turning green in color. This structure is called as:

(1) Phylloclade

(2) Cladode

(3) Phyllode

(4) bulbil

In the ray florets of sunflower, the condition of the flower is termed as:

1. Superior

2. Inferior

3. Epigynous

4. Hypogynous