Explore topic-wise MCQs in Biology.

This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

The term?antibiotic? was coined by [MH-CET 2000; CBSE PMT 2003;  BHU 2004; Pb. PMT 2004]

A. Alexander fleming
B. Edward Jenner
C. Louis pasteur
D. Selman Waksman
Answer» E.
2.

Rishikesh is famous for the production of [AIIMS 2004]

A. Antibiotics
B. Heavy electricals
C. Fertilizers
D. Transistorized radios
Answer» B. Heavy electricals
3.

The poisons produced in the body by bacteria are called

A. Toxins
B. Antitoxins
C. Toxicoids
D. Wastes
Answer» B. Antitoxins
4.

Passive immunity can be obtained by injecting [CPMT 1983, 92; DPMT 1986]

A. Antigens
B. Antibodies
C. Antibiotics
D. Vaccination having weakened germs
Answer» C. Antibiotics
5.

B-cells are lymphocytes which produce the humoral immunity. These cells are produced by

A. Liver
B. Spleen
C. Thymus
D. Bone marrow
Answer» E.
6.

Active immunity is obtained by [BHU 1986]

A. Antibodies
B. Weakened germs infection
C. Natural resistance
D. None of these
Answer» C. Natural resistance
7.

Which is an auto immune disease [Orissa JEE 2004]

A. Cancer
B. Asthma
C. Erythroblastosis foetalis
D. Rheumatoid arthritis
Answer» D. Rheumatoid arthritis
8.

Thalidomide is a non-barbiturate sedative drug which was to be given to pregnant women. Its use was withdrawn in 1961 because it resulted in phocomelia. This condition illustrates [CBSE PMT 1988]

A. Early abortion of foetus
B. Poor development of foetus
C. Malformation of foetus
D. Erythroblastosis foetalis
Answer» D. Erythroblastosis foetalis
9.

Most of eubacterial antibiotics are obtained from

A. Rhizobium
B. Bacillus
C. Streptomyces
D. Cephalosporium
Answer» C. Streptomyces
10.

Yeast Saccharomyces cervisiae is used in the industrial production of

A. butanol
B. citric acid
C. tetracycline
D. ethanol
Answer» E.
11.

 Jaya and Ratna developed for green revolution in India are the varieties of

A. maize
B. rice
C. wheat
D. bajra
Answer» C. wheat
12.

Organic farming is the technique of raising crops through use of

A. Manures
B. Resistant varieties
C. Biofertilisers
D. All of these
Answer» E.
13.

What are the advantage of gobar gas over conventional utilization?

A. More efficient source of energy
B. Used as good fertilizer
C. Reduces the chances of spreading of pathogens
D. All of the above
Answer» E.
14.

IPM is

A. International Pest Management Programme.
B. International Pesticide Management Programme.
C. Integrated Pest Management Programme.
D. Internal Pest Management Programme.
Answer» D. Internal Pest Management Programme.
15.

 Silk worm is a

A. fly
B. worm
C. moth
D. beetle
Answer» D. beetle
16.

Domestication of honey bees is called

A. Sericulture
B. Apiculture
C. Tissue culture
D. Pisciculture
Answer» C. Tissue culture
17.

Two microbes found to be very useful in genetic engineering are

A. Vibrio cholerae and a tailed bacteriophage
B. Diplococcus sp. and Pseudomonas sp.
C. Crown gall bacterium and Caenorhabditis elegans
D. Escherichia coil and Agrobacterium tumefaciens
Answer» E.