Topic: Monera, Protista and Fungi· Diversity in Living World
Which of the following statements is correct ?
1. Fusion of two cells is called Karyogamy.
2. Fusion of protoplasms between two motile on non-motile gametes is called plasmogamy.
3. Organisms that depend on living plants are called saprophytes.
4. Some of the organisms can fix atmospheric nitrogen in specialized cells called sheath cells.