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%
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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%
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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%
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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%
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Match the columns A and B:

Column I Column II
(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
 
(a) (b) (c) (d) (e)
1. (v) (iv) (iii) (ii) (i)
2. (v) (iii) (iv) (i) (ii)
3. (iv) (iii) (v) (ii) (i)
4. (i) (v) (iv) (iii) (ii)

Subtopic:  Parts of Flower: II | Flower & Parts of Flower |
 86%
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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 |
 69%
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The type of aestivation seen in Calotropis is represented by:

1. 2.
3. 4.
Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
 76%
From NCERT
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The floral diagram shown in the given diagram can be of:

    
1. A plant that produces a chemical that can disrupt mitotic spindle
2. Deadly night shade
3. Indigofera plant, a source of dye
4. A pulse plant

Subtopic:  Families of Flowering Plant |
 65%
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The region responsible for growth in the length of the root is:

  

1. A

2. B

3. C

4. D

Subtopic:  Morphology of Roots |
 91%
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Match each item in Column I with one item in Column II and chose your answer from the codes given below.

Column I

(Flower)

Column II

(Position of ovary)

I. Sunflower

II. Mustard

III Plum

1. Epigynous

2. Hypogynous

3. Perigynous

Codes:

                I            II            III

1.             1            2             3 

2.             2            3             1

3.             2            1             3 

4.             3            2             1 

Subtopic:  Flower & Parts of Flower |
 77%
From NCERT
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