Biology Questions

Q:

Which step happens first in DNA replication?

A) Initiation B) Elongation
C) Termination D) None of the above
 
Answer & Explanation Answer: A) Initiation

Explanation:

In the first step of DNA replication called initiation, the DNA pair gets unwidened.

Report Error

View Answer Report Error Discuss

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

1 1986
Q:

What are the building blocks of Nucleic Acids?

A) Pentose Sugar B) DNA
C) RNA D) Nucleotides
 
Answer & Explanation Answer: D) Nucleotides

Explanation:

The building blocks of the nucleic acids are "Nucleotides".

 

Each nucleotide are composed of three parts. They are ::

1.Pentose sugar

2.Nitrogenous bases

3.Phosphoric acid.

Report Error

View Answer Report Error Discuss

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

3 1982
Q:

Which of the following is an example of parasitism?

A) Leeches consume blood of their host B) Ticks that live on dogs
C) Aphid insects eat the sap of the host plant D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The relationship between two organisms such that one lives on the other and one gets benefited while the other get infected.

Report Error

View Answer Report Error Discuss

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

4 1977
Q:

Which one of the following pairs about organ/part that helps in locomotion is not correctly matched?

A) Euglena : Flagellum B) Paramecium : Cilia
C) Nereis : Pseudopodia D) Starfish : Tubefeet
 
Answer & Explanation Answer: C) Nereis : Pseudopodia

Explanation:

Euglena move by a flagellum (plural ‚ flagella), which is a long whip-like structure that acts like a little motor.

The paramecium uses its cilia to sweep the food along with some water into the cell mouth after it falls into the oral groove.

The underside of the starfish is covered with hundreds of tube feet, which it uses for walking around, for attaching tightly to rocks, and for holding on to prey.

Nereis possess setae and parapodia for locomotion

Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: Bank Exams

1 1974
Q:

Blood plasma is filtered in 

A) the renal capsule B) the renal column
C) the renal tubule D) the renal corpuscle
 
Answer & Explanation Answer: A) the renal capsule

Explanation:
Report Error

View Answer Report Error Discuss

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

1 1973
Q:

Nucleic acid hybridization is based on the fact that

A) a chromosome is composed of complementary strands B) all cells have DNA
C) the strands of DNA can be separated D) pairing between complementary bases occurs
 
Answer & Explanation Answer: D) pairing between complementary bases occurs

Explanation:
Report Error

View Answer Report Error Discuss

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

1 1973
Q:

Which word best describes the structure of the cell membrane?

A) Rigid B) Impermeable
C) Nonpolar D) Layered
 
Answer & Explanation Answer: D) Layered

Explanation:
Report Error

View Answer Report Error Discuss

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

3 1971
Q:

The fundamental excitable cell in the nervous system is the

A) Nephron B) Axon
C) Neuron D) Dendrite
 
Answer & Explanation Answer: C) Neuron

Explanation:
Report Error

View Answer Report Error Discuss

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

6 1969