Assertion (A): Kelp is a herbal medicine taken from brown algae
Reason (R): Use of kelp causes goitre Directions: Choose the correct option:
Correct answer: (c) Assertion(A) is true and reason(R) is false.
Hence, the correct option is (c)
Assertion (A): Algae are microscopic thallophytes
Reason (R): Green, Red and brown are different types of algae
Assertion (A): Equisetum is also known as horsetail.
Reason (R): Equisetum is used in the preparation of medicine Directions: Choose the correct option:
Assertion (A): Diatoms do not decay as early as other algae
Reason (R): Diatoms have siliceous cell walls Directions: Choose the correct option: