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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Match Column I with column II and select the correct option using the codes given below:

 

Column I

 

Column II

A.

Pistils fused together

1.

Gametogenesis

B.

Formation of gametes

2.

Pistillate

C. 

Hyphae of higher ascomycetes  

3.  

Syncarpous

D.

Unisexual female flower

4.

Dikaryotic

Codes:

 

A    

B     

C     

D

(1)

4

3

2

1

(2)

2

1

4

3

(3)

1

2

4

3

(4)  

3

1

4

2

Subtopic:  Parts of Flower: II | 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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