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

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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

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The given floral diagram can be of:

1. Asparagus

2. Atropa belladonna

3. Mustard

4. Indigofera

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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

 

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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.

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is the floral formula of

(1) Allium

(2) Sesbania

(3) Petunia

(4) Brassica

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Keel is the characteristic feature of flower of

(1) tulip

(2) Indigofera

(3) Aloe

(4) tomato

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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

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In ginger vegetative propagation occurs through

(1) rhizome

(2) offsets

(3) bulbils

(4) runners

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Plants, which produce characteristic pneumatophores and show vivipary belong to

(1) mesophytes

(2) halophytes

(3) psammophytes

(4) hydrophytes

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