NEET Biology Human Reproduction Question Bank

done Cleavage Total Questions - 79

• question_answer1)
  Which mammals have more yolk than cytoplasm in their eggs [MP PMT 1992]
  A)
  Placental mammals done clear
  B)
  Aquatic mammals done clear
  C)
  Marsupials done clear
  D)
  Egg laying mammals done clear
  View Solution play_arrow

• question_answer2)
  In determinate cleavage, the spindle is [MP PMT 1992]
  A)
  Vertical done clear
  B)
  Horizontal done clear
  C)
  Sub-equatorial done clear
  D)
  Oblique done clear
  View Solution play_arrow

• question_answer3)
  The fertilized egg divides by the process of [DPMT 1982]
  A)
  Regeneration done clear
  B)
  Oogenesis done clear
  C)
  Cleavage done clear
  D)
  Invagination done clear
  View Solution play_arrow

• question_answer4)
  If the first cleavage furrow divides the zygote completely into two, the cleavage type is [MP PMT 1992]
  A)
  Radial done clear
  B)
  Equatorial done clear
  C)
  Meroblastic done clear
  D)
  Holoblastic done clear
  View Solution play_arrow

• question_answer5)
  The only human system that is derived from all the three germ layers is [DPMT 1992]
  A)
  Digestive system done clear
  B)
  Excretory system done clear
  C)
  Respiratory system done clear
  D)
  Nervous system done clear
  View Solution play_arrow

• question_answer6)
  The epidermis of the skin is derived from the germinal layer [CPMT 1992]
  A)
  Mesoderm done clear
  B)
  Endoderm done clear
  C)
  Ectoderm done clear
  D)
  Neuro-endoderm done clear
  View Solution play_arrow

• question_answer7)
  If an unfertilized egg is pricked with a micro needle, it will [NCERT 1973]
  A)
  Die immediately done clear
  B)
  Start dividing done clear
  C)
  Will remain undivided done clear
  D)
  Transform into a tadpole at a faster rate done clear
  View Solution play_arrow

• question_answer8)
  Type of cleavage found in mammals is [CPMT 1988]
  A)
  Holoblastic done clear
  B)
  Meroblastic done clear
  C)
  Superficial done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer9)
  A freshly unfertilized egg of hen contains [CPMT 1979]
  A)
  One cell done clear
  B)
  100 cells done clear
  C)
  1,000 cells done clear
  D)
  10,000 cells done clear
  View Solution play_arrow

• question_answer10)
  The blastopore develops into future [CPMT 1976; DPMT 1985; JIPMER 2002]
  A)
  Mouth done clear
  B)
  Ear done clear
  C)
  Anus done clear
  D)
  Neuropore done clear
  View Solution play_arrow

• question_answer11)
  How many cleavages are completed in 16 celled stage of egg. [CPMT 1975]
  A)
  3 done clear
  B)
  4 done clear
  C)
  8 done clear
  D)
  12 done clear
  View Solution play_arrow

• question_answer12)
  Formation of segmentation cavity shows [MP PMT 1993; DPMT 1993]
  A)
  Rearrangement of cells done clear
  B)
  Blastula stage done clear
  C)
  Epiboly done clear
  D)
  Emboly done clear
  View Solution play_arrow

• question_answer13)
  Unfertilized egg of human contains or When released from ovary, human egg contains [CBSE PMT 1991, 92; MP PMT 1993, 99]
  A)
  One Y chromosome done clear
  B)
  X and Y chromosome done clear
  C)
  XX chromosome done clear
  D)
  One X chromosome done clear
  View Solution play_arrow

• question_answer14)
  Egg of rabbit and man are [BHU 1982, 85; CPMT 1973; CBSE PMT 1993; RPMT 1999; Pb. PMT 1999]
  A)
  Microlecithal done clear
  B)
  Megalecithal done clear
  C)
  Telolecithal done clear
  D)
  Isolecithal done clear
  View Solution play_arrow

• question_answer15)
  Massive amount of yolk present in the vegetal region of the egg, makes an egg [AMU 1989]
  A)
  Oligolecithal done clear
  B)
  Mesolecithal done clear
  C)
  Telolecithal done clear
  D)
  Centrolecithal done clear
  View Solution play_arrow

• question_answer16)
  Cleidoic eggs are found in [MP PMT 1988, 02; CMC Vellore 1993; BVP 2001]
  A)
  Birds done clear
  B)
  Mammals done clear
  C)
  Annelids done clear
  D)
  Molluscs done clear
  View Solution play_arrow

• question_answer17)
  In some eggs, future organs can be demarcated even before cleavage begins. This type of development is called [MP PMT 1988]
  A)
  Mosaic development done clear
  B)
  Regulatory development done clear
  C)
  Gynogenesis done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer18)
  Periblastula is found in [CBSE PMT 1988]
  A)
  Man done clear
  B)
  Insects done clear
  C)
  Sycon done clear
  D)
  Reptiles done clear
  View Solution play_arrow

• question_answer19)
  The cleavage is such method of divisions of fertilized egg in which the egg [MP PMT 1993]
  A)
  Does not divide but only increase in size done clear
  B)
  Divides repeatedly but without growth done clear
  C)
  Divides repeatedly and grows done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer20)
  What is true about cleavage in the fertilised egg in humans [CBSE PMT 1994; AFMC 1999]
  A)
  It is meroblastic done clear
  B)
  It starts while the egg is in fallopian tube done clear
  C)
  It is identical to the normal mitosis done clear
  D)
  It starts when the egg reaches in uterus done clear
  View Solution play_arrow

• question_answer21)
  Meridional cleavage results in blastomeres numbering
  A)
  8 done clear
  B)
  4 done clear
  C)
  10 done clear
  D)
  16 done clear
  View Solution play_arrow

• question_answer22)
  Mammalian eggs have [CPMT 1973]
  A)
  No yolk at all done clear
  B)
  Small amount of yolk done clear
  C)
  Large amount of yolk done clear
  D)
  Large amount of yolk concentrated at one pole done clear
  View Solution play_arrow

• question_answer23)
  Epiboly  is the process of [CBSE PMT 1992]
  A)
  Mass migration of cells from the  animal hemisphere so that upper micromeres begin to migrate over the  edge of the dorsal lip and roll inside and are tucked beneath the outer layer done clear
  B)
  Over growth when the micromeres divide rapidly and begin to spread downwards over the megameres except at the yolk plug done clear
  C)
  Rotation of gastrula within the vitelline membrane so that the animal pole becomes anterior done clear
  D)
  Formation of a small slit like invagination occuring on the gray crescent done clear
  View Solution play_arrow

• question_answer24)
  Coelom derived from blastocoel is known as [CBSE PMT 1994; CPMT 2002]
  A)
  Pseudocoelom done clear
  B)
  Enterocoelom done clear
  C)
  Haemocoel done clear
  D)
  Schizocoel done clear
  View Solution play_arrow

• question_answer25)
  Human eggs are [CBSE PMT 1991; MP PMT 1997, 99, 2000,02]
  A)
  Microlecithal done clear
  B)
  Alecithal done clear
  C)
  Macrolecithal done clear
  D)
  Mesolecithal done clear
  View Solution play_arrow

• question_answer26)
  Eggs of reptiles and birds are [NCERT 1982; KCET   1994; BHU 1995; CPMT 2000]
  A)
  Alecithal done clear
  B)
  Isolecithal done clear
  C)
  Telolecithal done clear
  D)
  Homolecithal done clear
  View Solution play_arrow

• question_answer27)
  Cleavage divisions differ from normal mitotic divisions in that [MP PMT 1994]
  A)
  There is no nuclear division during cleavage done clear
  B)
  There is no division of the cytoplasm during cleavage done clear
  C)
  There is no period of growth in between the divisions done clear
  D)
  The division of the cytoplasm follows nuclear divisions done clear
  View Solution play_arrow

• question_answer28)
  The eggs of elephant are [DPMT 1984]
  A)
  Macrolecithal and centrolecithal done clear
  B)
  Microlecithal and telolecithal done clear
  C)
  Mesolecithal and homolecithal done clear
  D)
  Microlecithal and isolecithal done clear
  View Solution play_arrow

• question_answer29)
  A blastula which is solid, is known as
  A)
  Stereoblastula done clear
  B)
  Coeloblastula done clear
  C)
  Superficial blastula done clear
  D)
  Discoblastula done clear
  View Solution play_arrow

• question_answer30)
  Which one of the following statements with regard to embryonic development in humans  is correct [AIIMS 2003]
  A)
  Cleavage division bring about considerable increase in the mass of protoplasm done clear
  B)
  In the second cleavage division, one of the two blastomeres usually divides a little sooner than the second done clear
  C)
  With more cleavage divisions, the resultant blastomeres become larger and larger done clear
  D)
  Cleavage division results in a hollow ball of cells called morula done clear
  View Solution play_arrow

• question_answer31)
  Tertiary egg membranes are lacking in mammals with the exception of the
  A)
  Euetherians done clear
  B)
  Metatherians done clear
  C)
  Prototherians done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer32)
  The eggs in which fate of every part of the egg becomes fixed are called
  A)
  Cleidoic eggs done clear
  B)
  Non-cleidoic eggs done clear
  C)
  Mosaic eggs done clear
  D)
  Regulative eggs done clear
  View Solution play_arrow

• question_answer33)
  In macro and telolecithal eggs site of amphimixis lies in the
  A)
  Centre of active cytoplasm at the animal pole done clear
  B)
  Near the centre of the egg done clear
  C)
  Centre of active cytoplasm at the vegetal pole done clear
  D)
  All the above done clear
  View Solution play_arrow

• question_answer34)
  In spiral cleavage turn of spiral may be
  A)
  Clockwise done clear
  B)
  Anticlockwise done clear
  C)
  [a] and [b] both done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer35)
  Unit cell of blastula is
  A)
  Micromere done clear
  B)
  Megamere done clear
  C)
  Blastomere done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer36)
  Yolk of egg in the vertebrates is formed in
  A)
  Ovum done clear
  B)
  Lungs done clear
  C)
  Liver done clear
  D)
  Kidney done clear
  View Solution play_arrow

• question_answer37)
  In the egg of bird, shell and shell membranes are
  A)
  Permeable to \[{{O}_{2}}\] and \[C{{O}_{2}}\] done clear
  B)
  Permeable to water only done clear
  C)
  Permeable to air only done clear
  D)
  Non-permeable done clear
  View Solution play_arrow

• question_answer38)
  In teleosts, reptiles and birds the cleavage pattern is
  A)
  Equal holoblastic done clear
  B)
  Unequal holoblastic done clear
  C)
  Incomplete meroblastic done clear
  D)
  Complete meroblastic done clear
  View Solution play_arrow

• question_answer39)
  The ratio of the nucleus to cytoplasm at the beginning of cleavage is
  A)
  Very low done clear
  B)
  Very high done clear
  C)
  Normal done clear
  D)
  A bit higher than the normal done clear
  View Solution play_arrow

• question_answer40)
  An avian blastula is called
  A)
  Blastocyst done clear
  B)
  Trophoblast done clear
  C)
  Blastoderm done clear
  D)
  Foetal blastula done clear
  View Solution play_arrow

• question_answer41)
  Blastodisc or germinal disc refers to the protoplasm of egg, this is restricted to small area in
  A)
  Amphibian egg done clear
  B)
  Avian egg done clear
  C)
  Ascidian egg done clear
  D)
  Mammalian egg done clear
  View Solution play_arrow

• question_answer42)
  When the cleavage furrow extends from animal pole to vegetal pole and does not bisects the egg equally into two blastomeres the plane of cleavage is
  A)
  Meridional done clear
  B)
  Equatorial done clear
  C)
  Latitudinal done clear
  D)
  Vertical done clear
  View Solution play_arrow

• question_answer43)
  As a result of cleavages, if blastomeres are symmetrically placed around the polar axis the type of cleavage is known as
  A)
  Spiral done clear
  B)
  Discoidal done clear
  C)
  Biradial done clear
  D)
  Radial done clear
  View Solution play_arrow

• question_answer44)
  Calcium deficiency results in the formation of an egg with
  A)
  Lesser amount of yolk done clear
  B)
  Lesser amount of albumen done clear
  C)
  Soft shell done clear
  D)
  Non porous shell done clear
  View Solution play_arrow

• question_answer45)
  A phenomenon of embryonic induction was first described in amphibia by
  A)
  Aristotle done clear
  B)
  Spemann done clear
  C)
  Von Baer done clear
  D)
  Spallanzani done clear
  View Solution play_arrow

• question_answer46)
  The rate of cleavage is inversely proportional to the duration of
  A)
  Anaphase done clear
  B)
  Metaphase done clear
  C)
  Interphase done clear
  D)
  Telophase done clear
  View Solution play_arrow

• question_answer47)
  Cleavage was first observed by
  A)
  Swammerdam done clear
  B)
  Spallanzani done clear
  C)
  F.R. Lillie done clear
  D)
  Leeuwenhoek done clear
  View Solution play_arrow

• question_answer48)
  Tertiary egg membrane is
  A)
  Vitelline membrane done clear
  B)
  Zona radiata done clear
  C)
  Albumen done clear
  D)
  Corona radiate done clear
  View Solution play_arrow

• question_answer49)
  Zona pellucida of mammalian egg serves which of the following purpose
  A)
  Maintains normal cleavage of the egg done clear
  B)
  Prevents egg fusion done clear
  C)
  Prevents polyspermy done clear
  D)
  All the above done clear
  View Solution play_arrow

• question_answer50)
  Cleavage is found in [RPMT 1995]
  A)
  Zygote done clear
  B)
  Eggs done clear
  C)
  Undivided cell done clear
  D)
  After gastrula stage done clear
  View Solution play_arrow

• question_answer51)
  Egg undergoes cleavage and forms [RPMT 1995]
  A)
  Morula done clear
  B)
  Blastula done clear
  C)
  Gastrula done clear
  D)
  All the above done clear
  View Solution play_arrow

• question_answer52)
  Egg which contains very little amount of yolk are called as [RPMT 1995]
  A)
  Alecithal done clear
  B)
  Microlecithal done clear
  C)
  Mesolecithal done clear
  D)
  Polylecithal done clear
  View Solution play_arrow

• question_answer53)
  Telolecithal eggs have [Bihar MDAT 1995; MH CET 2004]
  A)
  Equal distribution of yolk done clear
  B)
  Average amount of yolk done clear
  C)
  Yolk present at a distance from nucleus done clear
  D)
  No yolk done clear
  E)
  All the above done clear
  View Solution play_arrow

• question_answer54)
  Blastula lacks
  A)
  Blastomeres done clear
  B)
  Blastoderm done clear
  C)
  Blastocoel done clear
  D)
  Blastopore done clear
  View Solution play_arrow

• question_answer55)
  Cleavage in bird's egg is
  A)
  Equal and holoblastic done clear
  B)
  Unequal and holoblastic done clear
  C)
  Discoidal meroblastic done clear
  D)
  Superficial meroblastic done clear
  View Solution play_arrow

• question_answer56)
  The term blastocyst is applied to the blastula of which one of the following [MP PMT 1995]
  A)
  Kangaroo done clear
  B)
  Platypus done clear
  C)
  Monkey done clear
  D)
  Both kangaroo and monkey done clear
  View Solution play_arrow

• question_answer57)
  The outer layer of the blastocyst which forms the ectoderm is called [MP PMT 1995]
  A)
  Cnidoblast done clear
  B)
  Germinal vesicle done clear
  C)
  Trophoblast done clear
  D)
  Amnion done clear
  View Solution play_arrow

• question_answer58)
  The cleavage having incomplete division of egg is known as [MP PMT 1996, 99]
  A)
  Holoblastic done clear
  B)
  Meroblastic done clear
  C)
  Meridional done clear
  D)
  Spiral done clear
  View Solution play_arrow

• question_answer59)
  Cockroach egg is called as [RPMT 2000; BVP 2004]
  A)
  Microlecithal done clear
  B)
  Macrolecithal done clear
  C)
  Isolecithal done clear
  D)
  Centrolecithal done clear
  View Solution play_arrow

• question_answer60)
  Which of the following statement is wrong as regards to man
  A)
  All eggs are alike done clear
  B)
  Eggs are of two types done clear
  C)
  Sperms are of two types done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer61)
  Meroblastic cleavage is [MP PMT 1997; MH CET 2002]
  A)
  Partial  cleavage done clear
  B)
  Spiral cleavage done clear
  C)
  Equal cleavage done clear
  D)
  Complete cleavage done clear
  View Solution play_arrow

• question_answer62)
  The third phase in the development of a mammal is [MP PMT 1997]
  A)
  Cleavage done clear
  B)
  Gastrulation done clear
  C)
  Gametogenesis done clear
  D)
  Fertilization done clear
  View Solution play_arrow

• question_answer63)
  The fifth cleavage of the fertilized egg of frog results in the formation of [MP PMT 1997, 98; 2000]
  A)
  16 cells done clear
  B)
  48 cells done clear
  C)
  64 cells done clear
  D)
  32 cells done clear
  View Solution play_arrow

• question_answer64)
  The egg of frog is [MP PMT 1998; CPMT 1999; RPMT 2000;  BVP 2001; Pb. PMT 2004]
  A)
  Isolecithal done clear
  B)
  Mesolecithal done clear
  C)
  Telolecithal done clear
  D)
  Centrolecithal done clear
  View Solution play_arrow

• question_answer65)
  The egg found in monotremata is [MH CET 2003]
  A)
  Microlecithal done clear
  B)
  Mesolecithal done clear
  C)
  Macrolecithal done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer66)
  Cleavage of frog is [MP PMT 1998]
  A)
  Holoblastic done clear
  B)
  Meroblastic done clear
  C)
  Superficial done clear
  D)
  None of them done clear
  View Solution play_arrow

• question_answer67)
  Pattern of cleavage in frog's egg is [CPMT 2005]
  A)
  Holoblastic done clear
  B)
  Holoblastic and unequal done clear
  C)
  Holoblastic and equal done clear
  D)
  All of the above done clear
  View Solution play_arrow

• question_answer68)
  Pregnancy begins with implantation of  [Wardha 2005]
  A)
  Embryo done clear
  B)
  Fertilised ovum done clear
  C)
  Blastopore done clear
  D)
  Blastocyst done clear
  View Solution play_arrow

• question_answer69)
  Eggs having yolk in their centre of cytoplasm in peripheral layer are called [AIIMS 1998]
  A)
  Isolecithal done clear
  B)
  Microlecithal done clear
  C)
  Centrolecithal done clear
  D)
  Telolecithal done clear
  View Solution play_arrow

• question_answer70)
  Which is the correct sequence in the development of man [CPMT 1974, 77, 81]
  A)
  Fertilization, zygote, cleavage, morula, blastula, gastrula done clear
  B)
  Zygote, morula, blastula, differentiation done clear
  C)
  Fertilization, cleavage, gastrula, morula, blas_tula done clear
  D)
  Cleavage, zygote, blastula, morula, gastrula done clear
  View Solution play_arrow

• question_answer71)
  Cleavage is followed by which stage [RPMT 1999]
  A)
  Invagination done clear
  B)
  Evagination done clear
  C)
  Gastrula done clear
  D)
  Blastula done clear
  View Solution play_arrow

• question_answer72)
  Vegetal hemisphere of egg consists of [MP PMT 2000]
  A)
  Yolk done clear
  B)
  Pigment done clear
  C)
  Grey crescent done clear
  D)
  Germinal vesicle done clear
  View Solution play_arrow

• question_answer73)
  In indeterminate cleavage the fate of blastomeres is fixed at which of the following stage [RPMT 2000]
  A)
  Blastula done clear
  B)
  Gastrulation done clear
  C)
  32-celled stage done clear
  D)
  64-celled stage done clear
  View Solution play_arrow

• question_answer74)
  Microlecithal eggs are found in [RPMT 2001; MP PMT 2003]
  A)
  Reptilia + Aves done clear
  B)
  Amphibia + Aves + Reptilia done clear
  C)
  Reptilia + Aves + Chiroptera done clear
  D)
  Eutheria done clear
  View Solution play_arrow

• question_answer75)
  Cledoic egg is an adaptation to [RPMT 2001]
  A)
  Aquatic life done clear
  B)
  Marine life done clear
  C)
  Terrestrial life done clear
  D)
  Aerial life done clear
  View Solution play_arrow

• question_answer76)
  In mammals egg are microlecithal and isolecithal because these are [RPMT 2001]
  A)
  Oviparous done clear
  B)
  Viviparous done clear
  C)
  Ovoviviparous done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer77)
  In frog equal holoblastic cleavage does not found due to [RPMT 2001]
  A)
  A dark pigment in animal pole done clear
  B)
  Heavy yolk in vegetal pole done clear
  C)
  Yolk concentrated in center of egg done clear
  D)
  Nucleus is assymetrical in position done clear
  View Solution play_arrow

• question_answer78)
  In which of the following animal cleavage divisions are restricted to a small part of cytoplasm & nucleus in animal pole of egg [RPMT 2002]
  A)
  Cockroach done clear
  B)
  Frog done clear
  C)
  Chick done clear
  D)
  Rabbit done clear
  View Solution play_arrow

• question_answer79)
  Select the correct statement [Orissa PMT 2002]
  A)
  Cleavage follows gastrulation done clear
  B)
  Yolk content of egg has no role in cleavage done clear
  C)
  Cleavage is repeated mitotic division of zygote done clear
  D)
  Gastrulation & blastulation are followed by each other done clear
  View Solution play_arrow