Exam: ICMR JRF 2017 (life science) Date of test: July 16,
2017 (Sunday)
1. Fluorescence microscope is type of
a) electron microscope
b) compound
microscope
c) optical microscope
d)
none of these (See also: Microscope Resolution Different Types SEM vs TEM)
2. Which of the
following does not occur with in mitochondria?
a)
Krebs cycle
b)
ETS
c)ATP
synthesis
d) glycolysis
3. The meiotic
stage during which crossing over occur is
a)
interphase
b) prophase I
c) prophase
II
d) anaphase
I
4. A synonym for
a microtubule for a microtubule organizing center (MTOC) at a polar region of
an animal cell
a)
kinetochore
b) centrosome
c)microfilament
d)axoneme
5. The substance
that is the general biosynthetic precursor of sex hormones and hormones of
the adrenal cortex is
a)
lecithin
b)cholesterol
c)spingomyelin
d)phosphatidyl
choline
6. Penicillin acts
as an antibiotic in susceptible bacteria by interfering with
a)
cell wall formation
b) electron
transport chain (ETC)
c)
formation of protein
d)Synthesis
of DNA
7. The number of
turns of the Calvin Benson cycle required to synthesis a molecule of glucose
is
a) 1
b)3
c)4
d)6
8. What is found
in a nucleolus?
a)
rRNA
b) 5.8S,
18S and 28s rRNA
c) 45S rRNA
d)All
of these
9. The kind of
nucleic acid that is represented by a clover laf model is
a)
mitochondrial DNA
b)
tRNA
c)rRNA
d)mRNA
10. Amino acid that
has a secondary amine and disrupts alpha helix formation is
a)phenylalanine
b)proline
c)threonine
d)glycine
Answers
1. c) optical microscope
2. d) glycolysis
3. b)prophase I
4. b) centrosome
5. b)cholestrol
6. a) cell wall
formation
7. d)6
8. d)All of these
9. b) tRNA
10. b)proline
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