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The Hepatitis-B, which affects liver, is actually a :

A) Virus
B) Bacterium
C) Protozoan
D) Helminth

Correct Answer:

A) Virus

Part of solved Biology questions and answers : >> General Science >> Biology

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Similar Questions

1). The short upper part of the human intestine next to the stomach is called :

A). Caecum

B). Duodenum

C). Lieum

D). Jejunum

2). Which one of the following is not a mammal?

A). Bat

B). Duck-billed platypus

C). Shark

D). Whale

3). Consider the following statements :
1. Euglena is a procaryotic organism
2. Blue-green algae are eucaryotic organisms
Which of the statements given above is/are correct?

A). 1 only

B). 2 only

C). both 1 and 2

D). Neither 1 nor 2

4). The phenomenon by which water molecules move from a weaker solution to a stronger solution through a semi-permeable membrane is called :

A). Diffusion

B). Osmosis

C). Transpiration

D). Translocation

5). In the human eye, the focussing is done by :

A). to and fro movement of the eye lens

B). to and fro movement of the retina

C). change in the convexity of the eye lens

D). change in the refractive index of the eye fluids

6). Match the following :
Disease Organism
A. Cholera 1. Bacterium
B. Mumps 2. Fungus
C. Ringworm 3. Protozoa
D. Sleeping sickness 4. Virus
A B C D

A). 1 4 2 3

B). 1 2 4 3

C). 3 4 2 1

D). 3 2 4 1

7). Consider the following vitamins :
1. Niacin 2. Pyridoxin 3. Riboflavin 4. Thiamine
Which of these are water-soluble vitamins?

A). 1, 2 and 3

B). 2, 3 and 4

C). 1 and 4

D). 1, 2, 3 and 4

8). Match the following :
A. Theory of Mutation 1. Beadk and Tatum
B. Theory of Evolution 2. Jacob and Monod
C. One gene one enzyme hypothesis 3. Darwin
D. Operon concept 4. DeVries
A B C D

A). 3 4 1 2

B). 4 3 1 2

C). 4 3 2 1

D). 3 4 2 1

9). Which one of the following statements regarding starch and cellulose is NOT correct?

A). Both of them are of plant origin

B). Both of them are polymers

C). Both of them give colour with iodine

D). Both of them are made up of glucose molecules

10). Which one of the following techniques can be used to establish the paternity of a child?

A). Protein analysis

B). Chromosome counting

C). Quantitative analysis of DNA

D). DNA finger printing