The Vitamins Reviewer Part I

This is the vitamins reviewer as part of the Biological Science reviewer compiled by LET Review University.

A vitamin is an organic molecule that is an essential micronutrient which an organism needs in small quantities for the proper functioning of its metabolism. Essential nutrients cannot be synthesized in the organism, either at all or not in sufficient quantities, and therefore must be obtained through the diet.

• Fat-soluble vitamins include vitamins A, D, E, and K. Minerals. These include calcium, copper, iron, magnesium, phosphorus, potassium, selenium, and zinc.
  

1. The cause of short-term or acute vitamin A poisoning is due to

(a) Eating the liver of Mule deer

(b) Eating the liver of Buffalo

(c) Eating the liver of Ostrich

(d)Eating the liver of Polar bear

2. Which of the following is the most essential nutrient for a woman during her initial stages of pregnancy to prevent birth defects?

(a) Thiamin

(b) Folic acid

(c) Vitamin C

(d) Vitamin E

3. Which of the following food sources has the highest levels of vitamin C?

(a) Parsley

(b) Broccoli

(c) Black currants

(d) Orange juice

4. Which of the following vitamin helps in blood clotting?

(a) Vitamin A

(b) Vitamin C

(c) Vitamin D

(d) Vitamin K

5. Which is the leading cause of blindness in children worldwide?

(a) Glaucoma

(b) Cataracts

(c) Color blindness

(d) Vitamin A deficiency

Sol: (d) Vitamin A deficiency.

6. Which of the following vitamin deficiency causes Beriberi?

(a) Vitamin B1

(b) Vitamin B2

(c) Vitamin B6

(d) Vitamin B12

Sol: (a) Vitamin B1.

7. Who is most likely to develop scurvy – A vitamin C deficiency?

(a) A pregnant woman

(b) A malnourished child

(c) A long-time alcoholic

(d) A person with the eating disorder anorexia nervosa

Sol: (c) A long-time alcoholic.

8. Which of the following vitamin functions as both, hormone and visual pigment?

(a) Thiamine

(b) Retinal

(c) Riboflavin

(d) Folic acid

Sol: (b) Retinal.

9. Which of the following nutrient deficiency causes megaloblastic anemia?

(a) Folic acid

(b) Niacin

(c) Pyridoxine

(d) Cobalamin

Sol:(a) Folic acid.

10. Which of the following is a fat-soluble vitamin?

(a) Vitamin B

(b) Vitamin C

(c) Vitamin B₁₂

(d) Vitamin K

Sol:(d) Vitamin K.

11. Which of the following diseases is caused by the deficiency of Niacin?

(a) Scurvy

(b) Rickets

(c) Pellagra

(d) Pernicious anemia

Sol: (c) Pellagra.

12. Which of the following vitamins serves as a hormone precursor?

(a) Vitamin A

(b) Vitamin C

(c) Vitamin D

(d) Vitamin K

Sol: (c) Vitamin D.

13. Which of the following is a component of the coenzyme A?

(a) Retinol

(b) Pyridoxine

(c) Retinoic acid

(d) Pantothenic acid

14. Which of the following vitamins is also known as cobalamin?

(a) Vitamin B11

(b) Vitamin B2

(c) Vitamin B6

(d) Vitamin B12

15. Which of the following statements is false about Ascorbic acid?

(a) It shows antioxidant activity

(b) It is a strong reducing agent

(c) It can be synthesized in the body

(d) Involved in the hydroxylation of prolyl- and lysyl- residues of collagen

16. Which of the following vitamins has a coenzyme function?

(a) Vitamin A

(b) Vitamin C

(c) Vitamin B

(d) All of the above

Sol:(d) All of the above.

17. Which of the following food source are the best sources of vitamin A?

(a) Sweet potato

(b) Poultry

(c) Legumes

(d) Dairy products

18. Which of the following is a water-soluble vitamin?

(a) Vitamin B1

(b) Vitamin C

(c) Vitamin B2

(d) All of the above

19. Weakness in muscles and increase in the fragility of red blood cells is caused due to the __________.

(a) Deficiency of vitamin E

(b) Deficiency of vitamin D

(c) Deficiency of vitamin C

(d) Deficiency of vitamin A

20. Which of the following is the scientific name of Vitamin K?

(a) Ascorbic acid

(b) Phytonadione

(c) Tocopherol

(d) Pantothenic Acid

The human body quiz can be reviewed here: Human Body Quiz