Q.1
Formation of archenteron starts in ... ... [ MPPMET 2012]
  • a) Morula
  • b) Blastula
  • c) Early gastrula
  • d) Early neurula
Q.2
Nereis has ... ... [ JIPMER 1999 ]
  • a) Stereoblastula
  • b) Discoblastula
  • c) Coeloblastula
  • d) Superficial blastula
Q.3
Allantois is embryonic membrane found in ... ... [ BHU 1990 ]
  • a) Mammals
  • b) Birds
  • c) Reptiles
  • d) Birds, mammals and reptile
Q.4
Fixing up of blastocyst in the wall of uterus is ... ... [ MPPMT 2002 ]
  • a) Impregnation
  • b) Placentation
  • c) Implantation
  • d) Fertilisation
Q.5
Which of the cellular layer disintegrate and regenerates again and again in humans ... ... [ MPPMT 2004 ]
  • a) Endometrium of uterus
  • b) Dermis of skin
  • c) Cornea of eye
  • d) Endothelium of blood vessels
Q.6
Egg with little yolk is ... ... [ RPMT 1995 ]
  • a) Alecithal
  • b) Microlecithal
  • c) Mesolecithal
  • d) Polylecithal
Q.7
Fusion of male pronucleus with female pronucleus is ... ... [ Manipal 2005 ]
  • a) Amphimixis
  • b) Conjugation
  • c) Penetration
  • d) Transduction
Q.8
Intestine develops from ... ... [ RPMT 2000 ]
  • a) Ectoderm
  • b) Endoderm
  • c) Mesoderm
  • d) Pharyngeal pouch
Q.9
Internal cavity formed by cell division prior to gastrulation is .... ... [ DPMT 2010 ]
  • a) Enteron
  • b) Blastopore
  • c) Blastocoel
  • d) Coelom
Q.10
Which extraembryonic membrane in human prevents desiccation of embryo inside uterus? ... ... [ BHU 2012 ]
  • a) Yolk sac
  • b) Amnion
  • c) Chorion
  • d) Allantois
Q.11
Which of the following is correct sequence in embryo development. .... [ HPPMT 2005]
  • a) Cleavage, gastrulation, blastulation
  • b) Blastulation, cleavage, gastrulation
  • c) Cleavage, blastulation, gastrulation
  • d) Gastrulation, blastulation, cleavage
Q.12
Cleidoic eggs occur in ... ... [ MPPMT 2002 [
  • a) insects
  • b) fishes
  • c) mammals
  • d) reptiles and birds
Q.13
Olfactory epithelium develops from ... ... [ MPPMT 1991 ]
  • a) Embryonic endoderm
  • b) Embryonic ectoderm
  • c) Embryonic mesoderm
  • d) Embryonic mesenchyme
Q.14
Hormone, human chorionic gonadotropin, is secreted by ... ...
  • a) Placenta
  • b) Ovary
  • c) Anterior pituitary gland
  • d) Posterior pituitary gland
Q.15
Pick up correct statement about organs with dual origin from embryonic layer Hypophysis Adrenal glands Sense organs Pancreas ... ... [ BHU 2008 ]
  • a) 1, 2, 3 correct
  • b) 1, 2 correct
  • c) 2, 4 correct
  • d) 1, 3 correct
Q.16
Coelom is formed by splitting of ... ... [ RPMT 1995 ]
  • a) Mesoderm
  • b) Ectoderm
  • c) Ectoderm
  • d) Megaspore
Q.17
Multicellular, multinucleate, irregular mass of embryo which pass into uterine wall is ... .. [ MHTCET 2009 ]
  • a) Ectoderm
  • b) Endoderm
  • c) Syncytiotrophoblast
  • d) Amnion
Q.18
Notochord grows from ... ... [ MPPMT 1991]
  • a) Neuropore
  • b) Prechordal plate
  • c) Hyperchordal rod
  • d) Chorda-mesoderm
Q.19
Gastrulation comprises ... ... [ RPMT 2002 ]
  • a) Morphogenetic movements
  • b) Differentiation of archenteron
  • c) Differentiation of three germ layers
  • d) All the above
Q.20
Assertion: In humans the gamete contributed by the male determines whether the child produced will be male or female Reason: Sex in human is polygenic trait dependent upon the cumulative effect of some gene on X-chromosome and some on Y-chromosome .... .... [ AIIMS 2005 ]
  • a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
  • b) The Assertion and Reason are true but Reason is not correct explanation of Assertion
  • c) Assertion is true but, Reason is false
  • d) Assertion is false but, Reason is true
Q.21
Coelom is space between ... ... [ JKCMEE 2004 ]
  • a) Splitted mesoderm
  • b) Ectoderm and endoderm
  • c) Ectoderm and mesoderm
  • d) Body wall and mesoderm
Q.22
Eggs of placental mammals are ... ... [ MPPMT 1999 ]
  • a) Homolecithal
  • b) Alecithal
  • c) Microlecithal
  • d) Mesolecithal
Q.23
Vascular and excretory organs are formed from ... ... [ CPMT 1990 ]
  • a) Endoderm
  • b) Mesoderm
  • c) Ectoderm
  • d) Mesendoderm
Q.24
In which organ the bulk is formed of endoderm ... ... [ MPPMET 1990 ]
  • a) intestine
  • b) Liver
  • c) Heart
  • d) Kidney
Q.25
Human placenta is ... ... [ AIIMS 1999]
  • a) Haemochorial
  • b) Syndesmochorial
  • c) Yolk sac
  • d) Haemo-endothelial
Q.26
During cleavage, what is true about cells? .... ... [ CBSE 1991 ]
  • a) Nucleocytoplasmic ratio remains unchanged
  • b) Size does not increase
  • c) There is less consumption of oxygen
  • d) The division is like meiosis
Q.27
Meroblastic cleavage takes place in ... ... [ MPPMT 1991]
  • a) Hydra
  • b) Amphioxus
  • c) Frog
  • d) Chick
Q.28
Ontogenetically liver and pancreas are ... ... [ MPPMT 1996 ]
  • a) Ectodermal
  • b) Mesodermal
  • c) Endodermal
  • d) None
Q.29
Heart is .... ... [ CPMT 1991 ]
  • a) Ectodermal
  • b) Mesodermal
  • c) Endodermal
  • d) None of the above
Q.30
Skeleton and muscles in a vertebrate embryo develop from ... ... [ CPMT 2004 ]
  • a) Ectoderm
  • b) Mesoderm
  • c) Endo-mesoderm
  • d) Endoderm
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