Question

Read the assertion (A) and the reason (R) and choose the correct option.

Assertion: Hydroponics uses mineral solutions instead of soil to facilitate the growth of plants. Reason: Soil is always essential for growth of plants.

a. A is true; R is true. b. A is false; R is true.

c. A is false; R is false. d. A is true; R is false​

Answer 1

Twins are two offspring produced by the same pregnancy. Twins can be either monozygotic, meaning that they develop from one zygote, which splits and forms two embryos, or dizygotic, meaning that each twin develops from a separate egg and each egg is fertilized by its own sperm cell.