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NTS BIOLOGY CURRENT AFFAIRS SET 3
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1. Which one of the following is not a neurotransmitter
acetylcholine
histine
adrenaline
serotonin
2. The maximum speed of nerve impulse recorded in human is
80 m/s
100 m/s
120 m/s
140 m/s
3. New cells were formed by division of previously existing living cells, statement given by
Pasteur
Lorenz oken
Robert hooke
Rudolph virchow
4. Capsid of herpes virus contain number of capsomers
162
252
165
152
5. Hepatitis A virus is
RNA enveloped
RNA non-enveloped
DNA envelope
DNA non-envelope
6. Antibiotic that can cause allergic reactions
tetracycline
streptomycin
penicillin
terramycin
7. Which is used as pollution indicator
kelp
spirogira
oscillatoria
aspergillus
8. Which is used to lower blood cholesterol
cyclosporine
lovastatin
ergotine
penicillin
9. Ringworm and athletes foot are superficial fungal infection caused by certain
zygomycota
ascomycota
basidiomycota
deuteromycota
10. Paraphyses is a character of class
anthocerotae
hepaticopsida
bryopsida
psilopsida
11. The family Solanaceae include all except
sweet pea
potato
tobacco
tomato
12. Percentage of photosynthesis carried out by terrestrial plants
11%
10%
20%
70%
13. Which thing in the gall bladder precipiatate to form gall stones
bile salts
bile acids
protein
cholesterol
14. Energy trapped by producers in the ecosystem is
1%
99%
75%
65%
15. Phytoplanktons include all except
protista
bacteria
algae
crustaceans
16. The number of chromosome in mouse is
20
26
40
32
17. Nicotine causes all of the following effects except
increase blood pressure
increase heart beat
increae digestive mobility
increase the action of acetylcholine
18. Uterus opens into vagina through
cervix
urethra
clitoris
none of these
19. The total gestation period is of
265 days
275 days
280 days
285 days
20. The base pairs in DNA structure are far apart at a distance of
2nm
0.34nm
3.4mm
both c and d
21. The specialized structure including aster and spindle is called
centriole
astral microtubules
mitotic apparatus
all of these
22. Human genome consists of base pairs
3 billion
3 million
3 lac
3 thousand
23. Vestigial organs are example of
comparative anatomy
homology
analogy
all of these
24. All are hyphal fungi except
mushrooms
morels
puff balls
yeast
25. The cause of sleeping sickness is
plasmodium
tse-tse fly
trypanosoma
virus
26. Reptiles flourished throughout
mesozoic era
cenozoic era
devonian era
jurassic era
27. Each mesophyll cell have about chloroplast
20-100
40-100
10-100
50-100
28. The chemical link between catabolism and anabolism is
ATP
oxygen
nitrogen
all of these
29. All are diseases related to nutrition but which one is neurotic disorder also
dyspepsia
obesity
piles
bulimia nervosa
30. The no. of spiracles in cockroach thorax is
2
4
8
10
31. All are example of fish except
silver fish
whale
shark
trout
32. Which one is present in plant cells only
mitochondria
golgi bodies
vacuoles
plastids
33. Which cell is a anucleated cell
muscle cell
white blood cell
red blood cell
brain cell
34. Mesosomes are internal extensions of
cell membrane
cell wall
nucleus
vacuole
35. The small size and localized tumors are called
malignant
benign
both a and b
none of these
36. A tiny part of DNA controlling a sprcific character is called
base pair
allele
gene
nucleotide
37. The deficiency of thyroid secretions in adults produces
goiter
myxoedema
cretinism
graves disease
38. Skeletal muscles are joined to bones with the help of
tendon
ligament
connective tissue
both a and b
39. Panting the evaporative mechanism is most prominent in
elephant
bat
dog
fish
40. To excrete 1 g of urea nitrogen water require is
500ml
5000ml
50 cubic centimetre
5000 cubic centimetre
41. Some plants deposit strange chemicals in their branches and trunks especially in old xylem as in
conifers
eucalyptus
cactus
ebony
42. All hormones are amino acids or their derivatives except
oxytocin
thyroxin
epinephrine
nor-epinephrine
43. Hypothalamus is a part of
mid brain
hind brain
fore brain
medulla
44. Equisetum is example of
lycopsida
bryopsida
sphenopsida
pteropsida
45. Which is used to cure ring worm and skin diseases
cassia obovata
cassia senna
cassia fistula
cassia alata
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