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 |
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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 |
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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 |
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The given floral diagram can be of:

1. Asparagus

2. Atropa belladonna

3. Mustard

4. Indigofera

Subtopic:  Semi Technical Description |
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Match the columns A and B.

                    A                                      B

a. Marginal placentation                      (i) Marigold

b. Axile placentation                          (ii) Dianthus

c. Parietal placentation                      (iii) Argemone

d. Free central placentation                (iv) Chinarose

e. Basal placentation                          (v) Pea

1.a-v, b-iv, c-iii, d-ii, e-i

2. a-v, b-iii, c-iv, d-i, e-ii

3. a-iV, b-iii, c-V, d-ii, e-i

4. a-i, b-v, c-iv, d-iii, e-ii

 

Subtopic:  Parts of Flower: II | Flower & Parts of Flower |
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An inferior ovary:

1. is situated on the receptacle above the perianth and androecium.

2. is positioned below the sites of attachment for perianth and androecium. 

3. forms a hypanthium.

4. is positioned below the receptacle.

Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
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is the floral formula of

(1) Allium

(2) Sesbania

(3) Petunia

(4) Brassica

Subtopic:  Families of Flowering Plant: II | Families of Flowering Plant |
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Keel is the characteristic feature of flower of

(1) tulip

(2) Indigofera

(3) Aloe

(4) tomato

Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
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The wheat grain has an embryo with one large, shield-shaped cotyledon known as

(1) epiblast

(2) coleorrhiza

(3) scutellum

(4) coleoptile

Subtopic:  Seed |
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In ginger vegetative propagation occurs through

(1) rhizome

(2) offsets

(3) bulbils

(4) runners

Subtopic:  Morphology of Stems | Aerial Stem Modification |
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