The vitamin that is essential for the normal development of the fetal neural tube is: MCQ with Answer and Explanation

Question

Share Report Error

The vitamin that is essential for the normal development of the fetal neural tube is:

A. Vitamin A

B. Vitamin B₉ (folic acid)

C. Vitamin C

D. Vitamin D

Answer: Option B

Solution (By JKExamLibrary)

Folic acid (vitamin B₉) is crucial for DNA synthesis and cell division; its deficiency during early pregnancy increases the risk of neural tube defects like spina bifida. Many countries fortify flour with folic acid. Vitamin A is for vision, C for collagen, D for calcium. Women of childbearing age are advised to take supplements.

This question belongs to: Science Biology

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Biology Questions

Question #1

Share Report

The technique used to introduce foreign DNA into cells by applying a brief electric pulse is:

A. Microinjection

B. Lipofection

C. Biolistics

D. Electroporation

View Answer & Solution Discuss

Get Complete Subject PDF for Science

Correct Answer: Option D

Explanation:
Electroporation creates transient pores in the cell membrane using an electric field, allowing DNA to enter. Microinjection uses a fine needle, biolistics a gene gun, lipofection lipid vesicles.

This question belongs to: Science Biology

Question #2

Share Report

The deficiency of vitamin B₁ causes:

A. Beriberi

B. Pellagra

C. Rickets

D. Scurvy

View Answer & Solution Discuss

Get Complete Subject PDF for Science

Correct Answer: Option A

Explanation:
Beriberi results from thiamine (B₁) deficiency, characterized by neurological and cardiovascular symptoms. Scurvy is vitamin C deficiency, pellagra niacin (B₃), rickets vitamin D. Thiamine is a coenzyme in carbohydrate metabolism.

This question belongs to: Science Biology

Question #3

Share Report

The primary photosynthetic pigment found in all algae is:

A. Phycocyanin

B. Chlorophyll a

C. Chlorophyll b

D. Fucoxanthin

View Answer & Solution Discuss

Get Complete Subject PDF for Science

Correct Answer: Option B

Explanation:
Chlorophyll a is the primary photosynthetic pigment found in all algae and is essential for the light reactions of photosynthesis. Different groups of algae also contain other accessory pigments like chlorophyll b, c, phycobilins (phycocyanin, phycoerythrin), and carotenoids (fucoxanthin), which give them their characteristic colors (green, red, brown) and help in capturing light energy.

This question belongs to: Science Biology

Explore All Biology MCQs