Study and match the following lists:
| List - I | List-II | ||
|---|---|---|---|
| (A) | Entire leaf modified into a spine | (I) | Clematis |
| (B) | Leaf except stipules modified into a tendril | (II) | Citrus |
| (C) | Stipules modified into a tendril | (III) | Euphorbia |
| (D) | First leaf of axillary bud modified into a spine | (IV) | Lathyrus |
| (V) | Smilax |
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Assertion (A): An ascending taxonomic sequence of Gossypium herbaceum indicates its placement in progressively higher groups. Reason (R): Ascending taxonomic hierarchy indicates that a taxon is treated as belonging to a number of taxa. The correct answer is: |
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Seeds possess spongy aril in |
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Which one of the following is an example for sub-aerial modification of stem? |
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The leaves are modified into spines in |
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The layer of meristematic cells at the tip of a plant root, which continually cuts off new cells to its outer edge is called |
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Dry indehiscent single-seeded fruit formed from bicarpellary syncarpous inferior ovary is: |
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Why is vivipary an undesirable character for annual crop plants? |
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In a tetradynamous androecium, one of the following is seen : |
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Match List I with List II and select the correct option given below.
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A horizontal underground stem is a |
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