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 |
 55%
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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%
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China rose is not characterized by:

(1) Axile placentation

(2) Valvate aestivation

(3) Monoadelphous stamen

(4) Superior ovary

Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
 66%
From NCERT
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The given floral formula describes:

Br ⊕   P(3+3) A3+3 G(3)

1. Asparagus

2. Belladonna

3. Indigofera

4. Mustard

Subtopic:  Families of Flowering Plant: II | Families of Flowering Plant |
 72%
From NCERT
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In vexillary aestivation:

1. The standard overlaps the wings

2. The standard overlaps the keel

3. The standard is overlapped by keel

4. The keel overlap the wings

Subtopic:  Parts of Flower: II | Flower & Parts of Flower |
 71%
From NCERT
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Which of the following would not be a character of Asparagus?

1. Actinomorphic flower

2. Imbricate aestivation

3. Superior ovary

4. Endospermous seed

Subtopic:  Parts of Flower: II | Flower & Parts of Flower |
 59%
From NCERT
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The cells of which of the following regions of the root are responsible for growth of its length?

1. Root cap

2. Region of meristematic activity

3. Region of elongation

4. Region of maturation

Subtopic:  Morphology of Roots |
 82%
From NCERT
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Identify the correct statement regarding the stem morphology from the following:

I: Stems bear only axillary buds.
II: Axillary buds may get modified into thorns as in Citrus
III: Stem tendrils develop from axillary buds as in gourds.
 
1. Only I and II 2. Only I and III
3. Only II and III 4. I, II and III
Subtopic:  Morphology of Stems |
 68%
From NCERT
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The type of placentation show in the given figure is seen in:

1. Dianthus

2. Argemone

3. China rose

4. Marigold

Subtopic:  Parts of Flower: III | Flower & Parts of Flower |
 72%
From NCERT
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The given floral diagram can be of:

1. Asparagus

2. Atropa belladonna

3. Mustard

4. Indigofera

Subtopic:  Semi Technical Description |
 71%
From NCERT
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