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The standard petal of a papilionaceous corolla is also called:
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Which of the following is a restriction endonuclease?
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It is much easier for a small animal to run uphill than for a large animal, because:
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Following are the two statements regarding the origin of life:
(a) The earliest organisms that appeared on the earth were non-green and presumably anaerobes.
(b) The first autotrophic organisms were the chemoautotrophs that never released oxygen.
Of the above statements, which one of the following options is correct?
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A cell at telophase stage is observed by a student in a plant brought from the field. He tells his teacher that this cell is not like other cells at telophase stage. There is no formation of cell plate and thus the cell is containing more number of chromosomes as compared to other dividing cells. This would result in:
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Depletion of which gas in the atmosphere can lead to an increased incidence of skin cancers:
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Joint Forest Management Concept was introduced in India during:
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Which one of the following is the starter codon?
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The term ecosystem was coined by:
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In a testcross involving F1 dihybrid flies, more parental-type offspring were produced than the recombinant-type offspring. This indicates:
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