Biology problems
- 1. When it comes to cholesterol it is better to have
Options- A. more LDL
- B. more HDL
- C. more cholesterol
- D. a high ratio of LDL to HDL Also asked in: AIEEE, Bank Exams, CAT, Analyst, Bank Clerk, Bank PO
Correct Answer: more HDL
Explanation:
HDL stands for high-density lipoproteins.
HDL is called the "good" cholesterol because it carries cholesterol from other parts of your body back to your liver. Your liver then removes the cholesterol from your body.
Hence, when it comes to cholesterol it is better to have more HDL.
- 2. Process occurs in cytoplasm
Options- A. Glycolysis
- B. Cell division
- C. Both A & B
- D. None of the above Also asked in: AIEEE, Bank Exams, CAT, Analyst, Bank Clerk, Bank PO
Correct Answer: Both A & B
Explanation:
Most cellular activities will occur in the cytoplasm of the cell. Many metabolic pathways including glycolysis and process such as cell division occurs in the cytoplasm of the cell.
- 3. Why is RNA necessary to act as a messenger? Also asked in: Bank PO, Bank Clerk, Analyst
Correct Answer: RNA acts as a messenger in between the DNA and ribosome as it transforms the genetic information from the DNA and as DNA is big and can't fit into the nuclear pores
- 4. What base does guanine pair with?
Options- A. Adenine
- B. Thymine
- C. Uracil
- D. Cytosine Also asked in: AIEEE, Bank Exams, CAT, Analyst, Bank Clerk, Bank PO
Correct Answer: Cytosine
Explanation:
In DNA, the chemicals are Adenine, thymine, guanine and cytosine. They always pair as basepairs like Adenine with Thymine and Guanine with Cytosine.
- 5. Cellulose is a major component of the
Options- A. Pythium
- B. Pseudomonas
- C. Xanthomonas
- D. Saccharomyces Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk
Correct Answer: Pythium
- 6. Which virus is not associated with cancer?
Options- A. Epstein-Barr virus
- B. Papillomavirus
- C. Retrovirus
- D. Hepatitis virus Also asked in: AIEEE, Bank Exams, CAT, Analyst, Bank Clerk, Bank PO
Correct Answer: Retrovirus
Explanation:
In the above given options, Retrovirus is the only virus which is not associated with cancer. Here the viruses which are associated with different types of cancer. They are:
Hepatitis virus which is associated with Liver cancer
Papillomavirus which is associated with Cervical cancer
Epstein-Barr virus which is associated with Burkitt's lymphoma.
- 7. Which step happens first in DNA replication?
Options- A. Initiation
- B. Elongation
- C. Termination
- D. None of the above Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk
Correct Answer: Initiation
Explanation:
In the first step of DNA replication called initiation, the DNA pair gets unwidened.
- 8. Higher doses of barbiturates result in
Options- A. Lack of emotional control
- B. Impaired thinking
- C. Both A & B
- D. None of the above Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk, Bank PO
Correct Answer: Both A & B
- 9. Which of the following is a feature of leptin?
Options- A. It acts primarily on the brain
- B. It is secreted by the brain and acts on fat cells
- C. It is an enzyme
- D. It is usually deficient in thin people Also asked in: AIEEE, Bank Exams, CAT, GATE, Analyst, Bank Clerk, Bank PO
Correct Answer: It is secreted by the brain and acts on fat cells
- 10. One function of sphincter muscles is to
Options- A. secrete digestive juices into the GI tract
- B. grind large food particles
- C. trigger hormone release
- D. control the passage of food through the GI tract Also asked in: AIEEE, Bank Exams, GATE, Analyst, Bank Clerk, Bank PO
Correct Answer: control the passage of food through the GI tract
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