Although a root system performs many functions, a fibrous root system may especially be excellent for:
1. storage of food
2. absorbing water from the deeper layers of soil
3. nitrogen fixation
4. providing good anchorage to the plant

Subtopic:  Morphology of Roots |
 52%
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What would be an ‘inferior ovary’ in an angiosperm?
1. One which is situated on the receptacle above the perianth and androecium.
2. One which is positioned below the sites of attachment for perianth and androecium.
3. One which is useless and cannot be converted into fruit.
4. One which is positioned below the receptacle.
Subtopic:  Flower & Parts of Flower |
 73%
From NCERT
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The type of aestivation seen in the given figure is:

I: called valvate.
II: seen in Cassia and gulmohur.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic:  Flower & Parts of Flower |
 80%
From NCERT
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A pericarp seen in fruits of angiosperms is derived from:
1. integuments.
2. endosperm.
3. ovule wall.
4. ovary wall.
Subtopic:  Seed |
 76%
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What structure will be seen both in a monocot seed and in a dicot seed?
1. Scutellum
2. Plumule
3. Coleoptile
4. Aleurone layer
Subtopic:  Seed |
 80%
From NCERT
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Stamen of an angiosperm will consist of:
1. stigma
2. ovary
3. anther
4. style
Subtopic:  Flower & Parts of Flower |
 92%
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Which of the following angiosperms has an actinomorphic flower?
1. Pea
2. Cassia
3. Canna
4. Mustard
Subtopic:  Flower & Parts of Flower |
 88%
From NCERT
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It is not necessary that the length of filaments of anthers within a flower is nearly equal and sometimes variations
can be seen as in:
1. Mustard and Pea
2. Salvia and Mustard
3. China rose and Lily
4. Guava and Rose
Subtopic:  Flower & Parts of Flower |
 89%
From NCERT
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The diagram shows the drupes of mango and coconut. Select the correct statements:
Statement I: They develop from monocarpellary superior ovaries and are one seeded in both mango and coconut.
Statement II: Mesocarp is fleshy and edible in mango while it is fibrous in coconut.

1. Statement I is incorrect; Statement II is correct
2. Statement I is correct; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
Subtopic:  Fruits & their Types |
 89%
From NCERT
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The given floral formula describes plants of family:

1. Solanaceae
2. Fabaceae
3. Brassicaceae
4. Liliaceae
Subtopic:  Families of Flowering Plant |
 84%
From NCERT
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