Q. Which of the following statements is correct ?
A) Fusion of protoplasms between two motile or non- motile gametes is called plasmogamy.
B) Organisms that depend on living plants are called saprophytes.
C) Some of the organisms can fix atmospheric nitrogen in specialized cells called sheath cells.
D) Fusion of two cells is called Karyogamy.
Explanation
[Solution] Plasmogamy is fusion of protoplasms. Organisms depending on living plants are parasites, nitrogen is fixed in heterocysts, and karyogamy is fusion of nuclei. Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.