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 |
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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 |
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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 |
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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 |
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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 |
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