Biology Questions

Q:

Which molecule is always single stranded?

A) RNA B) DNA
C) Mitochondria D) Cellulose
 
Answer & Explanation Answer: A) RNA

Explanation:

RNA is a single-stranded molecule in many of its biological roles and consists of a much shorter chain of nucleotides.

Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: AIEEE
Job Role: Analyst

4 1522
Q:

Insulin is a kind of _____

A) hormone B) protein
C) enzyme D) vitamin
 
Answer & Explanation Answer: A) hormone

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: Bank Exams

1 1521
Q:

Which cell disorder in our body is responsible for colour blindness?

A) WBC B) Cone cell
C) Rod Cell D) Neuron
 
Answer & Explanation Answer: B) Cone cell

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: Bank Exams

1 1520
Q:

Where are the proteins of the electron transport chain located?

A) mitochondrial matrix B) mitochondrial inner membrane
C) mitochondrial outer membrane D) mitochondrial intermembrane space
 
Answer & Explanation Answer: B) mitochondrial inner membrane

Explanation:

The proteins of the electron transport chain are present in mitochondrial inner membrane in Eukaryotes.

Report Error

View Answer Report Error Discuss

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

2 1517
Q:

A sudden loss of memory is a symptom of

A) Alzheimer's B) Dementia
C) Amnesia D) None of the above
 
Answer & Explanation Answer: C) Amnesia

Explanation:

A sudden loss of memory is a symptom of Amnesia which is caused by an injury or damage to our brain. In that situation we cannot remember about ourself and our life.

Report Error

View Answer Report Error Discuss

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

4 1517
Q:

Asterias (Star fish), Echinus (Sea urchin), Antedon (Sea Lily) are all examples of which Phylum?

A) Echinodermata B) Annelida
C) Platyhelminthes D) Arthropoda
 
Answer & Explanation Answer: A) Echinodermata

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: Bank Exams

1 1516
Q:

Companion cells are unique to

A) Bryophytes B)  Pteridophytes
C) Angiosperms D)  Gymnosperms
 
Answer & Explanation Answer: C) Angiosperms

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: Bank Exams

0 1512
Q:

Which is a difference between proteins and carbohydrates and fats?

A) Proteins are composed of monomers; carbohydrates and fats are not. B) Excess carbohydrates and fats are stored; excess proteins are not.
C) Proteins are macromolecules; carbohydrates and fats are not. D) Carbohydrates and fats contain carbon, hydrogen, and oxygen; proteins do not.
 
Answer & Explanation Answer: B) Excess carbohydrates and fats are stored; excess proteins are not.

Explanation:

All proteins, carbohydrates and fats are macronutrients that we need to make living. They contribute to 90% of the dry weight of our diet. 

 

From the given options, Excess carbohydrates and fats are stored; excess proteins are not.

Report Error

View Answer Report Error Discuss

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

4 1509