The living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability for
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(a) interaction with the environment and progressive evolution (b) reproduction (c) growth and movement […]
Select the correct statement from the following?
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(a) Fitness is the end result of the ability to adapt and gets selected by nature (b) All mammals except whales and camels have seven […]
ICBN stands for
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(a) International Code of Botanical Nomenclature (b) International congress of Biological Names (c) Indian Code of Botanical Nomenclature (d) Indian Congress of Biological Names.
Correct Answer:
International Code of […]
Which one of the following statements is correct ?
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(a) Both Azotobacter and Rhizobium fix atomspheric nitrogen in root nodules of plants (b) Cyanobacteria such as Anabaena and Nostoc are important mobilizers […]
Two cells A and B are contiguous. Cell A has osmotic pressure 10 atm, turgor pressure 7 atm and diffusion pressure deficit 3 atm. Cell B has osmotic pressure 8 atm, turgor pressure 3 atm […]
In maize, hybrid vigour is exploited by
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(a) crossing of two inbred parental lines (b) harvesting seeds from the most productive plants (c) inducing mutations (d) bombarding the seeds with DNA
Correct […]
Which one of the following pairs of organisms are exotic species introduced in India ?
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(a) Lantana camara, water hyacinth (b) Water hyacinth, Prosopis cinereria (c) Nile perch, Ficus religiosa (d) Ficus […]
Which one of the following pairs of plant structures has haploid number of chromosomes?
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(a) Megaspore mother cell and antipodal cells (b) Egg cell and antipodal cells (c) Nucleus and antipodal cells […]
All enzymes of TCA cycle are located in the mitochondrial matrix except one which is located in inner mitochondrial membranes in eukaryotes and in cytosol in prokaryotes. This enzyme is
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(a) isocitrate dehydrogenase […]
The overall goal of glycolysis, kerbs cycle and the electron transport system is the formation of
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(a) ATP in one large oxidation reaction (b) sugars (c) nucleic acids (d) ATP in small stepwise […]
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