Developmental Biology Practice Test | CSIR UGC NET JRF Life Sciences Exam

1.Homeotic genes are responsible for
development of anatomical structures
homeostasis
cell cycle regulation
adaptation to stress

2.The ability of cells to achieve their respective fates by interacting with other cells is known as
induction
competence
autonomous specification
Conditional specification

3.Which statement is true about progenitor cells?
they cannot divide
they are same as stem cells
they can divide but do not remain undifferentiated
thay are totipotent cells

4.The cells of inner cell mass of a blasocyst stage mammalian embryo are
totipotent
pluripotent
multipotent
unipotent

5.Specific-specific adhesion of sperm to the egg during sea urchin fertlization, involves the interaction of the sperm adhesive preotein
Avidin
Fertilin
EBR1
Bindin

6.Which is true for amount of yolk and cleavge in egg of amphibian
mesolecithal and holoblastic cleavage
Isolecithal and holoblastic cleavage
Mesolecithal and meroblastic cleavage
microlecithal and meroblastic clevage

7.Which kind of clevage is shown in mammals?
Meroblastic radial
Holoblasic radial
Meroblastic rotational
Holobastic rotational

8.Which one of the following is NOT a typical movement pattern obseved during gastrulation?
Involution
Epiboly
Furrowing
Delamination

9.Which one of the following developmental processes in animals is more dependent on cellular movements
pattern formation
growth
morphogenesis
cell differentiation

10.Dorsal mutant in Drosophila will result in
Dorsalization of ventral side
ventralization of dorsal side
there would be no effect
anterior-posterior pattern information will be effected

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