Restriction Endonucleases Are Enzymes Which?
a) Recognize a specific nucleotide sequence for binding of DNA ligase b) Make cuts at specific positions within the DNA... View Article
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Genetic Engineering Has Been Successfully Used For Producing?
a) Transgenic models for studying new treatments for certain cardiac diseases b) Transgenic mice for testing safety of polio vaccine... View Article
The Genetically-modified (Gm) Brinjal In India Has Been Developed For?
a) Enhancing mineral content b) Insect-resistance c) Drought-resistance d) Enhancing shelf life Answer: b) Insect-resistance Explanation: The genetically modified brinjal... View Article
Which One Of The Following Is Used As Vector For Cloning Genes Into Higher Organisms?
a) Retrovirus b) Baculovirus c) Salmonella typhimurium d) Rhizopus nigricans Answer: a) Retrovirus Explanation: Retrovirus without its pathogenic attributes is... View Article
DNA Or RNA Segment Tagged With A Radioactive Molecule Is Called?
a) Vector b) Clone c) Probe d) Plasmid Answer: c) Probe Explanation: A probe is a RNA/DNA segment which is... View Article
Breeding Of Crops With High Levels Of Minerals, Vitamins And Proteins Is Called?
a) Somatic hybridisation b) Biomagnification c) Biofortification d) Micropropagation Answer: c) Biofortification The objective of biofortification is breeding to improve... View Article
Stirred-tank Bioreactors Have Been Designed For?
a) Availability of oxygen throughout the process b) Ensuring anaerobic conditions in the culture vessel c) Purification of the product... View Article
The Second Maturation Division Of The Mammalian Ovum Occurs?
a) Until the nucleus of the sperm has fused with that of the ovum b) In the Graafian follicle following... View Article
Toxic Agents Present In Food Which Interfere With Thyroxine Synthesis Lead To The Development Of?
a) Toxic goitre b) Cretinism c) Thyrotoxicosis d) Simple goitre Answer: d) Simple goitre
The Common Nitrogen-fixer In Paddy Fields Is?
a) Rhizobium b) Oscillatoria c) Azospirillum d) Frankia Answer: c) Azospirillum
A Common Biocontrol Agent For The Control Of Plant Diseases Is?
a) Trichoderma b) Glomus c) Bacillus thuringiensis d) Baculovirus Answer: a) Trichoderma
Which One Of The Following Is Not Used In Organic Farming?
a) Snail b) Oscillatoria c) Earthworm d) Glomus Answer: a) Snail
Ringworm In Humans Is Caused By?
a) Bacteria b) Nematodes c) Fungi d) Viruses Answer: c) Fungi Explanation: Fungus causes ringworm in humans.
Widal Test Is Used For The Diagnosis Of?
a) Typhoid b) Pneumonia c) Tuberculosis d) Malaria Answer: a) Typhoid
Db Is A Standard Abbreviation Used For The Quantitative Expression Of?
a) The density of bacteria in a medium b) The dominant Bacillus in a culture c) A particular pollutant d)... View Article
A Renewable Exhaustible Natural Resource Is?
a) Forest b) Minerals c) Petroleum d) Coal Answer: a) Forest
Which One Of The Following Is An Example Ex-situ Conservation?
a) Wildlife sanctuary b) Sacred groves c) Seed bank d) National park Answer: c) Seed bank Except for seed bank,... View Article
Which One Of The Following Is One Of The Characteristics Of A Biological Community?
a) Natality b) Stratification c) Mortality d) Sex-ratio Answer: b) Stratification Explanation: Stratification is the structural component of the biological... View Article
17 Aug 2021: PIB Summary & Analysis
TABLE OF CONTENTS 1. Vriksharopan Abhiyan 2. National Intellectual Property Awards 2020 3. MeitY-NASSCOM Start-up Women Entrepreneur Awards 2020-21 4.... View Article
Great Reset Initiative [UPSC Notes]
The Great Reset is the name given to the 50th annual meeting of the World Economic Forum at Davos in... View Article
