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Genetic drift operates in a...

Genetic drift operates in a

A

small isoloted population

B

large isolated population

C

slow-reproducing population

D

morphologically similar population

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Genetic drift operates only in

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In a long term experiment of a population of Drosophila melnogaster, the frequency of two alleles 'a' and 'b' of a multi-allelic locus X over time has been shown in the following graph. 6 students were asked to evaluate the observed pattern and their inferences are given below. Statement 1: Enviorment is not uniformly slective. Statement 2: Population may be under artificial selection. Statement 3: Genetic variability is progressively reduced. Statement 4: Genetic varuability is progressively increased. Statement 5: Mechanism such as genetic drift is operating from time to time. Statement 6: Selection is favouring a particualr genotype through directional selection. The appropriate conclusions were draws by

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ICSE-QUESTION PAPER 2022 TERM 1-MULTIPLE CHOICE QUESTIONS
  1. Which of the following is NOT used as a biocontrol agent for plant di...

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  2. In the Hardy Weinberg equation, the frequency of heterozygous individu...

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  3. Genetic drift operates in a

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  4. Which of the following is not a vestigial orgin of human beings?

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  5. The abbreviation hnRNA stands for

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  6. The abbreviation IUCD stands for :

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  7. Who proposed the recapitulation theory ?

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  8. The X chromosome was discovered by :

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  9. The phase of life cycle of an organism which is characterised by gradu...

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  10. The compatibility of pollen-pistil interaction is determined by .

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  11. If the Fallopian tubes in the human reproductive system get blocked , ...

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  12. Morula is a solid ball of blastomeres

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  13. Which of the following is the most important component of a contracept...

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  14. A human male with an extra X-chromosomes suffers from a condition call...

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  15. The human genome contain more than nucleotide pairs.

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  16. Gene migration is also called .

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  17. Which of the following is used of the production of ethanol from starc...

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  18. is a mutual assocition of fungal hyphae with the roots of higher plant...

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  19. Which of the following statments is NOT true ?

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  20. Which of the following options is NOT a feature of the synthetic theor...

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