Year: 2021
Topic: Biological Classification
Time :
1.
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.