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

Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
 84%
From NCERT
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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

Subtopic:  Families of Flowering Plant: II | Families of Flowering Plant |
 64%
From NCERT
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Pneumatophores are seen in:

1. Rhizophora

2. Banyan tree

3. Carrot

4. Turnip

Subtopic:  Modification of Roots |
 95%
From NCERT
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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

Subtopic:  Morphology of Stems | Aerial Stem Modification |
 80%
From NCERT
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Some foliar roots also produce adventitious roots as in:

1. Oxalis

2. Coleus

3. Tapioca

4. Bryophyllum

Subtopic:  Morphology of Roots | Modification of Roots |
 58%
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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

Subtopic:  Morphology of Stems |
 79%
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Match aerial modifications of stem given in column I with their descriptions in column II and choose your answer from the codes given below:

A   

Phylloclade   

P   

Green, flattened or cylindrical branches of unlimited growth

B

Cladode

Q

Branches of limited growth that become green and flat like a leaf

C

Bulbil

R

Modified vegetative bud with stored food meant for reproduction

Codes:

 

A     

B     

C

1.

P

Q

R

2.

P

R

Q

3.

R

P

Q

4 . 

Q

R

P

Subtopic:  Morphology of Stems | Aerial Stem Modification |
 70%
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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

Subtopic:  Inflorescence |
 86%
From NCERT
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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

Subtopic:  Morphology of Stems | Aerial Stem Modification |
 53%
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In the ray florets of sunflower, the condition of the flower is termed as:

1. Superior

2. Inferior

3. Epigynous

4. Hypogynous

Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
 59%
From NCERT
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