Identify the correctly matched pair:
1. Pea - Stem tendrils
2. Potato - Storage roots
3. Grapevine - Leaf tendrils
4. Bougainvillea - Thorn
Subtopic:   Modifications of Stem |
 84%
From NCERT
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At the root tip, the cells that are responsible for the growth of the root in length are located in the region that is:
1. distal to the region of meristematic activity
2. proximal to the region of meristematic activity
3. proximal to the region of maturation
4. distal to the region of elongation

Subtopic:  Morphology of Roots |
 71%
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That potato, ginger, and garlic are underground modifications of the stem is indicated by:
I: Presence of an eye (node) in potato
II: Distinct nodes with internodes and scaly leaves in ginger
III: A cluster of roots at the base of the reduced stem in garlic
 
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II, and III are correct
Subtopic:   Modifications of Stem |
 73%
From NCERT
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Identify the option where the features are correctly matched to types with respect to mustard:
Flower symmetry Ovary position Androecium Gynoecium
1. Zygomorphic Inferior Variable length stamens within a flower Parietal placentation
2. Zygomorphic Inferior Polyadelphous Marginal placentation
3. Actinomorphic Superior Polyadelphous Axile placentation
4. Actinomorphic Superior Variable length stamens within a flower Parietal placentation
Subtopic:  Flower & Parts of Flower |
 77%
From NCERT
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With respect to dicots, the primary root is formed by:
1. elongation of epicotyl
2. direct elongation of plumule
3. direct elongation of radicle
4. parts other than radical
Subtopic:  Morphology of Roots |
 91%
From NCERT
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The type of placentation shown in the given diagram is not seen in:
        
1. Mustard 2. China rose
3. Tomato 4. Lemon
Subtopic:  Flower & Parts of Flower |
 69%
From NCERT
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In palmately compound leaves:
1. Leaf lamina is entire
2. Leaf lamina is incised but the incisions do not touch the mid rib
3. Leaf lamina is incised, lamina reach up to the midrib and leaflets are present on a common axis
4. Leaf lamina is incised, lamina reach up to the midrib and leaflets are attached at a common point
Subtopic:  Venation, Types of Leaves & Phyllotaxy |
 75%
From NCERT
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Which of the following statement about the gynoecium and its parts is correct?
1. The ovary is the elongated tube that connects the style to the stigma.
2. Carpels are termed apocarpous when they are fused, as seen in mustard and tomato.
3. The stigma is the receptive surface for pollen grains and is usually at the tip of the style.
4. After fertilisation, the style develops into seeds and the ovary matures into a fruit.
Subtopic:  Flower & Parts of Flower |
 94%
From NCERT
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In some plants such as Rhizophora growing in swampy areas, many roots come out of the ground and grow vertically upwards. Such roots:
1. provide support to the plant
2. help to get oxygen for respiration
3. are organs of perennation for plants
4. act as storage organs
Subtopic:  Modification of Roots |
 98%
From NCERT
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Consider the given two statements:
Statement I:  The petiole helps hold the blade to light and long thin flexible petioles allow leaf blades to flutter in the wind.
Statement II:  The lamina or the leaf blade is the green expanded part of the leaf with veins and veinlets, with the midrib being the middle prominent vein.
 
1. Statement I is correct; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Subtopic:  Morphology of Leaf |
 99%
From NCERT
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