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The number of chromosomes in the shoot tip cells of a maize plant is 20. The number of chromosomes

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Which of the following is a post-fertilisation event in flowering plants?

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There are various types of reproduction. The type of reproduction adopted by an organism depends on

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There is no natural death in single celled organisms like Amoeba and bacteria because

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Appearance of vegetative propagules from the nodes of plants such as sugarcane and ginger is mainly because

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The male gametes of rice plant have 12 chromosomes in their nucleus. The chromosome number in the female gamete

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The term ‘clone’ cannot be applied to offspring formed by sexual reproduction because

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The wall of the ovary forms (a) pericarp (b) fruit wall (c) fruit (d) both (a) and (b).

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In which of the following plants, sepals do not fall off after fertilisation and remain attached to the fruit?

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In flowering plants, both male and female gametes are non-motile. The method to bring them together

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If a butterfly has chromosome number 360 in its meiocyte (2n). What will be the chromosome number in its gametes?

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In maize, a meiocyte has 20 chromosomes. What will be the number of chromosomes in its somatic cell?

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Which of the following organisms has the highest number of chromosomes?

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A diploid parent plant body produces ________ gametes and a haploid parent plant body produces ________ gametes.

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Meiosis does not occur in (a) asexually reproducing diploid individuals

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Read the following statements and select the incorrect one. (a) Cucurbits and coconuts are monoecious plants.

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Which of the following options shows bisexual animals only?

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Which of the following groups is formed only of the hermaphrodite organisms?

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Which of the following is a unisexual organism?

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