Biomolecules And Catalysis(Life Sciences ) Questions and answers for exam Preparation

Question 1. Molecules which play the key role in the transfer of genetic information during protein synthesis are ___________

DNA
RNA
Nucleic acid
Lipids

Explanation:-

Answer: Option B. -> RNA
Answer: (b).RNA

Question 2. Double helix formed by RNA is more stable than DNA.

True
False
May be True or False
Can't say

Explanation:-

Answer: Option A. -> True
Answer: (a).True

Question 3. Which form of structure has been adopted by RNA?

A-form
B-form
Z-form
D-form

Explanation:-

Answer: Option A. -> A-form
Answer: (a).A-form

Question 4. Name the RNA molecules which is used to carry genetic information copied from DNA?

tRNA
mRNA
rRNA
snRNA

Explanation:-

Answer: Option B. -> mRNA
Answer: (b).mRNA

Question 5. Which of the following RNA molecule convert information stored in the nucleic acid to protein?

mRNA
snRNA
rRNA
tRNA

Explanation:-

Answer: Option D. -> tRNA
Answer: (d).tRNA

Question 6. Which of the following is not a component of a phospholipid?

Phosphate
Alcohol
Glycerol
Protein

Explanation:-

Answer: Option D. -> Protein
Answer: (d).Protein

Question 7. Identify the lowest density lipoprotein among the following?

HDL
LDL
VLDL
Chylomicrons

Explanation:-

Answer: Option D. -> Chylomicrons
Answer: (d).Chylomicrons

Question 8. Which of the following sterol is present in the cell membrane of fungi?

Ergosterol
Stigmasterol
Sitosterol
Campesterol

Explanation:-

Answer: Option A. -> Ergosterol
Answer: (a).Ergosterol

Question 9. Which of the following phospholipid is considered as a major constituent of nervous tissue?

Glycerophospholipid
Plasmalogen
Inositol
Sphingomyelin

Explanation:-

Answer: Option D. -> Sphingomyelin
Answer: (d).Sphingomyelin

Question 10. Which of the following is not a fat-soluble vitamin?

Vitamin D
Vitamin K
Vitamin C
Vitamin A

Explanation:-

Answer: Option C. -> Vitamin C
Answer: (c).Vitamin C