1.
A car weighing 500 kg, working against a resistance of 500 Newton accelerates
from the rest to 100 meters at a speed of 20 m/sec. The kinetic energy of the
car is –
a) 5
X 104 Joule
b) 10 X 104
joule c) 15 X 104 joule d ) 20 X 104 joule
2. The distance between two base
pairs of DNA is
a) 3.4 A0 b) 34
A0 c)340
A0 d)
None of these
3. Celebral malaria is caused by –
a) Plasmodium vivax b)
P.ovale c) P. falciparum d) P. malariae
4. Antibodies are secreted by
a) T cells b) B
cells c) Plasma cells d)
None of the above
5. Prions are infectious particles
that are comprised entirely of
a) DNA b)
RNA c) Proteins d) Carbohydrates
6. Given that bacterium has
generation time of 0.5 h, starting with an initial inoculum of 2 x 105 the
count after 3 h of culture will be
a) 3.2 x 106 b) 6.4 x 106 c) 12.8 x 106 d) 12.8 x 107
7.
Multidrug resistance of an organism may be related to
a) ability
of the organism to efflux the drug b)
ability to chemically inactivate the drug
c)none of
the above d) both the above
8. Hospital acquired infections
are also called
a) Emerging infections b) nosocomial infections c) Novel infections d)None of the above
9. Vaccination programs like the
polio vaccination drive are aimed at providing
a) treatment of the disease b) prophylactic measure against the disease c) None of the above
10. In photosynthesis, ATP is
synthesized in the
a) Mitichondrial matrix
b) The stroma of chloroplast
c) Between the inner and the
outer membranes of the chloroplast
d) In the thylakoid lumen of
chloroplast
11.
Apoptosis term is related to
a)
Abnormal cell growth b) Cell death c) Cell morphogenesis d)
Cell differentiation
12. which of the following is not
true :
a) Lipids are made up of fatty
acids and glycerol.
b) Lipids are less soluble in
water.
c) All membranes in living cells
contain lipids.
d) Unsaturated fatty acids have
higher melting point than saturated fatty acids.
13. Which of the following is not
true :
a) Messelson and Stahl proved
semiconservative mode of DNA replication.
b) Hersey and Chase proved DNA is
the genetic material.
c) Jacob and Monod proved gene
regulation in eukaryotes.
d) t-RNA was initially
hypothesized as adaptor molecule by F.H.C. Crick.
14. Adenosine is a :
a) Purine base b) Pyrimidine base c) Nucleotide d) Nucleoside
15. A mechanism of genetic
recombination in bacteria that does not occur in a culture medium containing
DNase
a) Conjugation b)
Sexducation c) Transducation d) Transformation
16. Which of the following is not
greenhouse gas
a) CO b) NH3 c)
O3 d) CH4
17. Which one is called the milk
sugar
(a) Maltose (b) Lactose
(c) Sucrose (d)
Galactose
18. The
microorganism most commonly found in spoiled canned food products is
a) Clostridium
(b) Salmonella (c)
Shigella (d) None of these
19.E.
coli is a
(a)
Bacteria (b) Fungi (c) Algae (d) Protista
20.Glycogenesis is the
(a) Formation of glucose (b) Formation of glycogen (c) Breakdown of glucose
(d)
Breakdown of glycogen
No comments:
Post a Comment