Which Of The Following Represent The Maximum Number Of Species Among Global Biodiversity?
a) fungi b) algae c) lichens d) mosses and ferns Answer: a) fungi Explanation: Fungi has the highest species diversity... View Article
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Kyoto-protocol Was Endorsed At?
a) CoP-5 b) CoP-4 c) CoP-6 d) CoP-3 Answer: d) CoP-3
Which One Of The Following Is Not Used For Ex Situ Plant Conservation?
a) seed banks b) field gene banks c) botanical gardens d) shifting cultivation Answer: d) shifting cultivation Shifting cultivation or... View Article
Secondary Productivity Is The Rate Of Formation Of New Organic Matter By?
a) consumer b) producer c) decomposer d) parasite Answer: a) consumer Explanation: Secondary productivity is biomass assimilated by the consumers.
Natural Reservoir Of Phosphorus Is?
a) rock b) animal bones c) sea water d) fossils Answer: a) rock Explanation: Phosphorus cycle is a sedimentary cycle... View Article
Which Of The Following Are Likely To Be Present In Deep Sea Water?
a) eubacteria b) saprophytic fungi c) archaebacteria d) blue-green algae Answer: c) archaebacteria Explanation: In deep sea water, no light... View Article
The Colonies Of Recombination Bacteria Appear White In Contrast To The Blue Colonies Of Non-recombinant Bacteria Because Of?
a) inactivation of glycosidase enzyme in recombinant bacteria b) insertional inactivation of alpha galactosidase in recombinant bacteria c) insertional inactivation... View Article
Which Of The Following Is Not Correctly Matched For The Organisms And Its Cell Wall Degrading Enzyme?
a) plant cells -cellulase b) bacteria – lysozyme c) fungi – chitinase d) algae – methylase Answer: d) algae –... View Article
DNA Fragments Generated By The Restriction Endonucleases In A Chemical Reaction Can Be Separated By?
a) restriction mapping b) electrophoresis c) polymerase chain reaction d) centrifugation Answer: b) electrophoresis Explanation: The fragments of DNA generated... View Article
A Good Product Of Citric Acid Is?
a) Pseudomonas b) Saccharomyces c) Aspergillus d) Clostridium Answer: c) Aspergillus Explanation: For the formation of citric acid, Aspergillus niger... View Article
Which Of The Following Bt Crops Is Being Grown In India By The Farmers?
a) Cotton b) Maize c) Soybean d) Brinjal Answer: a) Cotton Explanation: Bt cotton is generally grown in the Bt... View Article
The Tendency Of Population To Remain In Genetic Equilibrium May Be Distributed By?
a) lack of mutations b) lack of migration c) lack of random mating d) random mating Answer: c) lack of... View Article
The Process By Which Organisms With Different Evolutionary History Evolve Similar Phenotypic Adaptations In Response To A Common Environmental Challenge Is Called?
a) convergent evolution b) natural selection c) adaptive radiation d) non-random evolution Answer: a) convergent evolution Explanation: as a result... View Article
If Two Persons With ‘ab’ Blood Group Marry And Have A Sufficiently Large Number Of Children, These Children Could Be Classified As ‘a’ Blood Group : ‘ab’ Blood Group :’b’ Blood Group In 1:2:1 Ratio. Modern Technique Of Protein Electrophoresis Reveals The Presence Of Both ‘a’ And ‘b’ Type Proteins In ‘ab’ Blood Group Individuals. This Is An Example Of?
a) incomplete dominance b) codominance c) complete dominance d) partial dominance Answer: b) codominance
Variation In Gene Frequencies Within Populations Can Occur By Chance Rather Than By Natural Selection. This Is Referred To As?
a) genetic drift b) genetic load c) random mating d) genetic flow Answer: a) genetic drift
Which Of The Following Statements Is Not True Of Two Genes That Show 50% Recombination Frequency?
a) if the genes are present on the same chromosome, they undergo more than one crossovers in every meiosis b)... View Article
Perisperm Differs From Endosperm In?
a) its formation by fusion of secondary nucleus with several sperms b) being a diploid tissue c) having no reserve... View Article
Monoecious Plant Of Chara Shows Occurence Of?
a) upper oogonium and lower antheridium on the same plant b) upper antheridium and lower oogonium on the same plant... View Article
Advantage Of Cleistogamy Is?
a) vivipary b) more vigorous offspring c) no dependence on pollinators d) higher genetic variability Answer: c) no dependence on... View Article
Meiosis Takes Place In?
a) conidia b) gemmule c) meiocyte d) megaspore Answer: c) meiocyte Explanation: Meiocytes are cells wherein meiosis occurs.
