Which of the following statements is not correct?
More the one pollen tube of same species can grow into the style. It is frequently found in nature.
Which of the following statements is not correct?
Seed formation without fertilization in flowering plants involves the process of: |
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Which of the following approaches does not give the defined action of contraceptive? |
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The amino acid Tryptophan is the precursor for the synthesis of: |
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A river with an inflow of domestic sewage-rich in organic waste may result in: |
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Gause’s principle of competitive exclusion states that: |
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Asthma may be attributed to: |
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The standard petal of a papilionaceous corolla is also called: |
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Which of the following is a restriction endonuclease? |
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It is much easier for a small animal to run uphill than for a large animal, because: |
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Following are the two statements regarding the origin of life: |
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