NEET Biology Human Reproduction Question Bank

done Gametogenesis Total Questions - 23

• question_answer1)
  Testis produce [DPMT 1992]
  A)
  Sperms done clear
  B)
  Eggs done clear
  C)
  Seeds done clear
  D)
  Spores done clear
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• question_answer2)
  The process of releasing the ripe female gamete from the ovary is called [CPMT 1988]
  A)
  Parturition done clear
  B)
  Ovulation done clear
  C)
  Fertilization done clear
  D)
  Implantation done clear
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• question_answer3)
  Ovulation in mammals refers to
  A)
  Release of ovum from ovary done clear
  B)
  Formation of primary oocyte in ovary done clear
  C)
  Degeneration of unfertilized ovum done clear
  D)
  Fertilization of mature ovum done clear
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• question_answer4)
  Germ cells in mammalian gonads are produced by [CPMT 1992, 93; MP PMT 1997, 2000]
  A)
  Only mitosis done clear
  B)
  Only meiosis done clear
  C)
  Mitosis and meiosis both done clear
  D)
  Without cell division done clear
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• question_answer5)
  The breakage of the membrane surrounding the acrosome in a mammalian sperm is [MP PMT 1994]
  A)
  Activation done clear
  B)
  Cavitation done clear
  C)
  Agglutination done clear
  D)
  Capacitation done clear
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• question_answer6)
  The acrosome plays important role in [MP PMT 1999, 2000]
  A)
  Motility of sperm done clear
  B)
  Penetration of ovum by sperm done clear
  C)
  The fusion of pronuclei of the gametes done clear
  D)
  None of these done clear
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• question_answer7)
  Which of the following statements is incorrect. Human spermatozoa normally
  A)
  At a concentration of 1 million/ml of ejaculate will fertilize the ovum done clear
  B)
  Are released in large numbers after a few days abstinence done clear
  C)
  Contain enzyme in their head which helps in penetration of ovum done clear
  D)
  Move with the help of their tails done clear
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• question_answer8)
  Survival time of sperms introduced into the vagina may be
  A)
  1-2 days done clear
  B)
  3-4 days done clear
  C)
  5-10 days done clear
  D)
  1 week done clear
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• question_answer9)
  The human sperms were first seen and discovered by
  A)
  Ernst Haeckel done clear
  B)
  Hamm and Leeuwenhoek done clear
  C)
  Louis Pasteur done clear
  D)
  Robert Hooke done clear
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• question_answer10)
  Polar bodies are formed during
  A)
  Spermatogenesis done clear
  B)
  Oogenesis done clear
  C)
  Gametogenesis done clear
  D)
  Spermateleosis done clear
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• question_answer11)
  In frog chromosome no. is reduced to half [BHU 2003]
  A)
  When 2nd polar body is separated done clear
  B)
  When 2nd polar body is divided done clear
  C)
  When 3rd polar body is separated done clear
  D)
  When 1st polar body is separated done clear
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• question_answer12)
  Nebenkern is a part of [KCET 2004]
  A)
  Foetus done clear
  B)
  Graafian follicle done clear
  C)
  Human ovum done clear
  D)
  Human sperm done clear
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• question_answer13)
  In mammalian sperm, spirally arranged mitochondria are present in [MHCET 2001]
  A)
  Head portion done clear
  B)
  Middle piece done clear
  C)
  End piece of the tail done clear
  D)
  Principal piece of tail done clear
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• question_answer14)
  Acrosome of sperm is formed from   [MP PMT 2004; CPMT 2005]
  A)
  Nucleus of spermatid done clear
  B)
  Mitochondria of spermatid done clear
  C)
  Golgi complex of spermatid done clear
  D)
  Centrosome of spermatid done clear
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• question_answer15)
  Sperm?s acrosome has [Manipal 2005]
  A)
  Hyaluronic acid and proacrosine done clear
  B)
  Hyaluronic acid and fertilizin done clear
  C)
  Hyaluronidase and proacrosin done clear
  D)
  Fertilizin and proacrosin done clear
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• question_answer16)
  A cross section at the midpoint of the middle piece of a human sperm will show [AIIMS 2005]
  A)
  Centriole, mitochondria and 9+2 arrangement of microtubules done clear
  B)
  Centriole and mitochondria done clear
  C)
  Mitochondria and 9+2 arrangement of microtubules done clear
  D)
  9+2 arrangement of microtubules only done clear
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• question_answer17)
  Which of the following is 'immortal' [BHU 2005]
  A)
  Somatic cell done clear
  B)
  Glomerular cells done clear
  C)
  Germ cells done clear
  D)
  Cells of pituitary done clear
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• question_answer18)
  Sperms formed from 4 primary spermatocytes are [CPMT 2005]
  A)
  4 done clear
  B)
  1 done clear
  C)
  16 done clear
  D)
  32 done clear
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• question_answer19)
  During embryonic development the establishment of polarity along anterior/posterior, dorsal/ventral or medial/lateral axis is called [CPMT 2005]
  A)
  Anamorphosis done clear
  B)
  Organizer phenomena done clear
  C)
  Pattern formation done clear
  D)
  Axis formation done clear
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• question_answer20)
  What do you mean by the term spermateleosis   [MH CET 2004; Manipal 2005]
  A)
  Conversion of spermatids to sperm done clear
  B)
  Conversion of spermogohium to spermatid done clear
  C)
  Conversion of spermatid to spermogonium done clear
  D)
  Conversion of primary spermatocyte to secondary spermatocyte done clear
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• question_answer21)
  Spermatogonia formed after which cell division [Haryana PMT 2005]
  A)
  Meiosis I done clear
  B)
  Meiosis II done clear
  C)
  Mitosis done clear
  D)
  Amitosis done clear
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• question_answer22)
  Match the following with correct combination [Kerala CET  2005]  

  [a] Hyaluronidase	(i) Acrosomal reaction
  [b] Corpus luteum	(ii) Morphogenetic movements
  [c] Gastrulation	(iii) Progesterone
  [d] Capacitation	(iv) Mammary gland
  [e] Colostrum	(v) Sperm activation

  A)
  [a]-(v), [b]-(ii), [c]-(iv), [d]-(i), [e]-(iii) done clear
  B)
  [a]-(i), [b]-(iii), [c]-(ii), [d]-(v), [e]-(iv) done clear
  C)
  [a]-(i), [b]-(ii), [c]-(iii), [d]-(iv), [e]-(v) done clear
  D)
  [a]-(iv), [b]-(ii), [c]-(v), [d]-(iii), [e]-(i) done clear
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• question_answer23)
  Hormone responsible for metamorphosis in tadpole is [Manipal 2005]
  A)
  Adrenaline done clear
  B)
  Thyroxine done clear
  C)
  Aldasterone done clear
  D)
  Vasopressin done clear
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