Biology Questions

Q:

Which one of the following is a plant hormone?

A) Cytokinin B) Oestrogen
C) Thyroxin D) Insulin
 
Answer & Explanation Answer: A) Cytokinin

Explanation:

Cytokinins is a Plant hormone which helps in cell division and leads to Growth & formation of shoots, roots & bud.

Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

1 1990
Q:

Which of the following is a feature of ghrelin?

A) It stimulates appetite and energy storage B) It is released in high amounts from adipocytes during periods of excess energy intake
C) The blood level in the fasting state correlates directly with body weight D) It is a metabolic antagonist of leptin
 
Answer & Explanation Answer: A) It stimulates appetite and energy storage

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk , Bank PO

1 1990
Q:

The term facultative anaerobe refers to an organism that

A) Uses oxygen or grows without oxygen. B) Requires less oxygen than is present in air.
C) Prefers to grow without oxygen. D) Is killed by oxygen.
 
Answer & Explanation Answer: A) Uses oxygen or grows without oxygen.

Explanation:

The term facultative anaerobe refers to an organism that which uses oxygen when it is present or grows without oxygen when it is not there.

Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk

2 1988
Q:

Which organelles are unique to plant cells?

A) Central vacuole B) Chlorophyll
C) Cell wall D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

3 1987
Q:

Where is the genetic information of the cell stored?

A) DNA B) Cell membrane
C) Nucleus D) None of the above
 
Answer & Explanation Answer: C) Nucleus

Explanation:

The genetic information of the cell is DNA and is stored in the nucleus of the cell.

Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

2 1985
Q:

Which activity is accomplished using the genetic code?

A) mutation B) DNA can be made into mRNA
C) DNA formation D) None of the above
 
Answer & Explanation Answer: B) DNA can be made into mRNA

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

3 1985
Q:

Which part of the respiratory system does emphysema damage?

A) Nose B) Lungs
C) Trachea D) Mouth
 
Answer & Explanation Answer: B) Lungs

Explanation:

Emphysema is a condition that involves damage to the walls of the air sacs (alveoli) of the lung i.e, primarily causes shortness of breath due to over-inflation of the alveoli.

 

First, emphysema causes holes to gradually form inside the lungs' air sacs, thereby weakening their internal structure and inhibiting the exchange of oxygen and carbon dioxide.

Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk

1 1979
Q:

Which among the following is/are female hormones?
(i) Estrogen
(ii) Progesterone
(iii) Testosterone

A) (i) and (iii) B) (i) and (ii)
C) (ii) and (iii) D) Only (iii)
 
Answer & Explanation Answer: B) (i) and (ii)

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: Bank Exams

5 1977