Practice MCQ Questions and answers on Biology-GK

Answer: Option C

Guava has a rich source of vitamin C, A and E. Guava is called the super fruit because it is said to contain four times more vitamin C than orange and three times more proteins and four times more fibre than pineapple. It is also said to have more potassium than a banana.

Answer: Option B

Vitamins are micro nutrients.

Answer: Option D

Vitamin D is a hormone the kidneys produce that controls blood calcium concentration and impacts the immune system. It is also known as calcitriol, ergocalciferol, calcidiol and cholecalciferol. Of those, calcidiol is the form doctors most commonly focus on when measuring vitamin D levels in the blood.