Q.

Which of the following statements is correct?

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a

Fusion of two cells is called karyogamy.

b

Fusion of protoplasms between two motile or non-motile gametes is called plasmogamy.

c

Some of the organisms can fix atmospheric nitrogen in specialized cells called bundle sheath cells.

d

Organisms that depend on living plants are called saprophytes.

answer is C.

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Detailed Solution

Fusion of protoplasms between two motile or non-motile gametes is called plasmogamy.

Some organisms can fix atmospheric nitrogen in specialized cells called heterocyst.

Fusion of two nuclei is called karyogamy.

Organisms that depend on living plants are called parasites.

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Which of the following statements is correct?