Biology - Study Mode

[#186] Which of the following vitamins are water soluble?
Correct Answer

(B) Vitamin B & Vitamin C

Explanation

Solution: The water-soluble vitamins include ascorbic acid (vitamin C), thiamin, riboflavin, niacin, vitamin B6 (pyridoxine, pyridoxal, and pyridoxamine), folacin, vitamin B12, biotin, and pantothenic acid.

[#187] Lathyrism is caused by excess consumption of ________
Correct Answer

(A) Khesari Dal

Explanation

Solution: Lathyrism is a disease caused by eating seeds of species of Lathyrus (the grass pea), mainly L. sativus (the chickpea or khesari).

[#188] Which vitamin is necessary for blood clotting?
Correct Answer

(C) Vitamin K

Explanation

Solution: Vitamin K is necessary for blood clotting.

[#189] Most of the enzymes are
Correct Answer

(C) Proteins

Explanation

Solution: Structurally, the vast majority of enzymes are proteins. Also RNA molecules have catalytic activity (ribozymes). Coenzymes are small nonprotein molecules that are associated to some enzymes.

[#190] The disease Rickets is caused by the deficiency of
Correct Answer

(D) Vitamin D

Explanation

Solution: The most common cause of rickets is a lack of vitamin D or calcium in a child's diet.