

MCQOPTIONS
Saved Bookmarks
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 Its use was withdrawn in 1961 because it resulted in phocomelia.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. | |