Biology Multiple-Choice Questions (MCQs) and Answers (Test). Quiz on Basic Biology for Test Preparation. The following Biology multiple-choice questions are drawn from the fundamentals of biology (plants and animals) as well as general knowledge (GK) in biology and life science.

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Created on April 01, 2022 By Preptestsonline

Biology MCQS Set 2

1 / 15

The major cell infected by the HIV is lymphocyte ?

helper-T

B

both T and B

none of these

2 / 15

Which disease can be controlled by vaccination?

Measles

Cancer

Diabetes

Heart attack

3 / 15

Smallest disease causing agents in plants are ?

virion

mycoplasma

viroids

prions

4 / 15

What is the mode of transmission of Hepatitis virus?

Aerosol

Parentral (via blood)

Skin penetration

Unknown

5 / 15

Protein factory is___________?

nucleus

ribosome

golgi complex

centriole

6 / 15

Which statement is incorrect for pasteurization?

It is used to preserve yogurt and milk

It was developed by Louis Pasteur.

It involves heating the substance at high temperature for just few sec.

It can be used to preserve vegetables and meat.

7 / 15

Number of chromosomes in E.coli ?

1

2

4

6

8 / 15

Astronauts may use which technique to grow fruits and vegetables ?

Tissue culture techniques

Cloning

Pasterisation

Hydroponic culture technique

9 / 15

Messenger RNA is formed in_________?

nucleus

chloroplast

mitochondria

none of these

10 / 15

Co-enzyme is often formed from ?

lipid

protein

inorganic ion

vitamin

11 / 15

Breeders have developed new and better varieties of food items by using which technique?

Pasteurization

Hydroponic culture technique

Genetic engineering

Biological control techniques

12 / 15

Starch is converted into maltose by?

diastase

invertase

maltase

amylase

13 / 15

Conclusion of Mendels work latter became a_____________?

Scientific hypothesis

Theory

Scientific law

Productive theory

14 / 15

Which one is not correct for a productive theory?

It is predictive

It has explanatory power

It discourages suggestion of different hypotheses

None of these

15 / 15

Which are the four most abundant elements in living cells ?

carbon, oxygen, nitrogen, sulfur

carbon, oxygen, hydrogen, nitrogen

carbon, oxygen, sulfur, phosphorus

carbon, sulfur, hydrogen, magnesium

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