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Biological Classification question

2021 · Q32
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Biological Classification question

2021 · Q32

NEETBiologyBiological ClassificationMCQ+4 / −1
Which of the following statements is correct?
  1. A
    Some of the organisms can fix atmospheric nitrogen in specialized cells called sheath cells
  2. B
    Fusion of two cells is called Karyogamy
  3. C
    Fusion of protoplasm between two motile on non-motile gametes is called plasmogamy
  4. D
    Organisms that depend on living plants are called saprophytes
View written solutionFree

Correct answer: C

∙\bullet∙ In some blue-green algae specialised cells called heterocyst fixes atmospheric nitrogen into ammonia.

∙\bullet∙ Fusion of two nuclei is called Karyogamy.

∙\bullet∙ Organisms that depend on living plants are parasites, saprophytes grow on dead material.

∙\bullet∙ Fusion of protoplasts of two cells is called plasmogamy.

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