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Important Questions on Reproduction in Lower and Higher Animals
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What is the role of acrosin?
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During oogenesis in mammals, the second meiotic division occurs
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Which of the following is a haploid cell?
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When spermatogonia accumulate a large amount of nutrient and chromatin material and increase in size, now it is known as______.
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Anterior part of sperm is called _____ (acrosome/telomere).
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Find out the CORRECT sequence of spermatogenesis.
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Identify the cells represented as and in the given schematic representation of spermatogenesis.
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During spermatogenesis, what is produced from the distal centriole?
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Vitelline membrane is a ___.
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Identify the cells represented as and in the schematic representation of Oogenesis, shown below and choose the correct option.
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In the given diagram of human sperm, identify the functions of the labelled parts. and
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Spermatids are formed after the second meiotic division from secondary spermatocytes. The ploidy of the secondary spermatocytes is
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In human females, when does oogenesis begin?
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The acrosome of a sperm is a derivative of _______.
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What is the correct sequence of sperm formation ?
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In male, for normal fertility, sperms must have normal shape and size and sperms must show vigorous motility.
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How many sperms are produced from a single spermatogonium?
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Study the following
| S.No | Cell | Formed by | State |
| I. | Spermatogonia | Mitosis | Diploid |
| II. | Spermatid | Meiosis I | Haploid |
| III. | Oogonia | Meiosis | Diploid |
| IV. | Secondary oocyte | Meiosis I | Haploid |
Among the above, correct combination are
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Select the correct option of haploid cells from the following groups:
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Which of the following cells during gametogenesis is normally diploid?
