Stems contain chlorophyll and carry out photosynthesis in:

1. Opuntia and Euphorbia 2. Mint and Jasmine
3. Pistia and Eichhornia 4. Banana and Pineapple

Subtopic:  Aerial Stem Modification |
 88%
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A lateral branch arises from the base of the main axis and after growing aerially for some time arches downwards to touch the ground in:

1. Opuntia and Euphorbia 2. Mint and Jasmine
3. Pistia and Eichhornia 4. Banana and Pineapple
Subtopic:  Aerial Stem Modification |
 81%
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Apocarpous gynoecium is seen in:

1. Lotus 2. Mustard
3. Papaver 4. Tomato
Subtopic:  Flower & Parts of Flower |
 68%
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A lateral branch with short internodes and each node bearing a rosette of leaves and tufts of roots is found in:

1. Opuntia and Euphorbia 2. Mint and Jasmine
3. Pistia and Eichhornia 4. Banana and Pineapple
Subtopic:  Aerial Stem Modification |
 84%
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The term that describes united sepals in a flower is:

1. Calyx 2. Perianth
3. Gamosepalous 4. Polysepalous
Subtopic:  Flower & Parts of Flower |
 78%
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The placentation shown below will be seen in:

1. Argemone 2. Dianthus
3. Tomato 4. Sunflower
Subtopic:  Flower & Parts of Flower |
 63%

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A parallel venation will be seen in the leaves of all the following plants except:

1. Wheat 2. Rice
3. Pea 4. Maize
Subtopic:  Venation, Types of Leaves & Phyllotaxy |
 81%
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Root hairs at the root tip are formed by:

1. Epidermal cells in the region of maturation
2. Cortical cells in the region of elongation
3. Epidermal cells in the region of elongation
4. Cortical cells in the region of maturation
Subtopic:  Morphology of Roots |
 86%
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Seed coat is membranous and generally fused with the fruit wall in:

1. Apple 2. Maize
3. Coconut 4. Castor
Subtopic:  Seed |
 63%
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In mango, the fruit is:

1. drupe and mesocarp is fleshy and edible
2. drupe and mesocarp is fibrous
3. berry and mesocarp is fleshy and edible
4. berry and mesocarp is fibrous
Subtopic:  Fruits & their Types |
 93%
From NCERT

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