Zoology (Semester II) (CBCS) Examination, 2017
DEVELOPMENT BIOLOGY wateriI
Day Date: Monday, 24-04-2017 Max. Marks: 70
Time: 10.30 AM to 01.00 PM
N.B. 1). Questions Q.1,Q, 2 and 6 are Compulsory.
Attempt any two from Q.3, 4 and 5
Q.1 MCQ (per question 2 marks): 14
Embryonic stem cell are derived
Blastocyst Gastrula
Ectoderm All three germ layers
Which of the following series of events represents the path of
vertebrate development?
Formation of blastula, cleavage, neurulation, cell migration,
organogenesis, growth.
Formation of blastula, cleavage, gastrulation, neurulation, cell
migration, organogenesis, growth.
Cleavage, formation of blastula, gastrulation, neurulation, cell
migration, organogenesis, growth.
Cleavage, gastrulation, formation of blastula, neurulation cell
migration, organogenesis, growth.
Gastrulation in Amphioxus occurs
Involution Ingression
Invagination Delamination
trophoblast cells in mammals give to
ampulla uterus chorion amnion
The technique of producing a genetically identical copy of an
organism by replacing the nucleus of an unfertilized ovum with the
nucleus of body cell from organism is
Test tube baby Cloning
In vitro fertilization All b and c.
The study of degenerative change in aging is called.
Developmental biology Paedology
Gerontology Choronology
is the process of selection of activation of some genes
by a cell, which are not activated by other cell of the embryo.
Cell induction Cell transformation
Cell differentiation Cell mediation
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Q.2 Describe in detail the process of fertilization and capitation in
mammals.
14
Q.3 Answer the following
Regeneration in Hydra. 07
Structure of hen's egg 07
Q.4 Explain the following:
Cloning with an example. 05
Gastrulation in frog. 05
Regulation of limb development. 04
Q.5 Explain in short
How anterior posterior axis is specified in Drosophila? 07
Apoptosis with reference to the type studied. 07
Q.6 Short Notes (Any Four) 14
Stem cells
Vitellogenesis
Cleavages in Frog
Cortical reaction
Prevention of polyspermy
Cloning