1.
The acid used in car battery is ______
a) Hydrochloric
Acid b)
Boric Acid
c) Sulphuric Acid d)
Carbonic Acid
2.
Cooking gas is a mixture of :
a) Methane
& Carbon Dioxide
b) Oxygen
& Nitrogen.
c) Butane & Propane
d) Butane
& Methane
5.
Which of the following gases does not pollute air.
a)
Carbon Dioxide b)
Carbon Monoxide
c) Nitrogen Dioxide d)
Sulphur Dioxide
4.
Which of the following processes is used in obtaining charcoal from
wood ?
a) Destructive distillation b) Fractional
distillation
c)
Oxidation d)
Carbonation
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5.
Green Plants manufacture food in the presence of :
a) light b)
darkness c)
heat d) mineral salts
6.
If all the plants in the world die, the animal life would also vanish for
want of :
a) Cool
air b) wood c) oxygen d)
carbon dioxide
7.
The site of photosynthesis is :
a)
chloroplasts b)
mitochondria
c) vacuoles d)
endoplasmic reticulum
8.
Flower colours are due to :
a)
chlorophyll b)
anthocyanins
c) phyttochromes d)
melanin
9.
The bitter – sharp taste of unripe fruits is due to high concentration of
:
a) phenonic
compounds b) volatile compound
d) organic acid d)
starch
10.
Plants produce _____ in day.
a) carbon
dioxide b) oxygen c)
nitrogen d) none
11.
Potato is the modified from (outgrowth) of :
a)
root b)
leaf c)
flower d)
stem
12.
What is the source of oxygen in photosynthesis in plants ?
a)
water b) carbon dioxide c)
glucose d) starch
13.
What is the function of green leaves in plants?
a)
respiration b) photosynthesis c)
reproduction d) growth
14.
Photosynthesis is the process by which:
a) green plants
manufacture carbohydrates from water.
b) green plants
manufacture carbohydrates from air.
c) green plants build up
carbohydrates from oxygen.
d) green plants build up carbohydrates from carbon dioxide
15.
The process by which plants lose water vapour into the air is called ?
a) osmosis b)
photosynthesis
c)
plasmolysis d) transpiration
16.
According to zoological classification of the animal kingdom, man belongs
to the class of :
a)
amphibians b)
mammalia
c)
osteichthyes d)
none of these
17.
According to the classification of the animal kingdom, frog belongs to
the class of :
a)
osteichthyes b)
amphibians
c)
mammalia d)
none of these
18.
Process of cell division can take place by:
a) heterosis b)
fusion c)
mitosis d) None of these
19.
Which of the following organisms has no blood but respires?
a)
cockroach b)
earthworm c)
fish d) hydra
20.
Mammals are.
a) warm blooded b)
cold blooded
c) both warm and cold
blooded d) None of these
21.
Which of the following is not a mammal?
a) fish b)
cow c)
goat d) whale
22.
In mammals fertilization takes place in :
a)
ovary b)
uterus c) fallopian tubes d) ureter
23.
Largest known vertebrate is :
a)
elephant b) whale c)
giant squid d) None of these
24.
Fish respire through the.
a)
nose b)
lungs c) gills d) fins
25.
What is the temperature of a normal man?
a) 81.10 C b) 36.90 C c)
98.60 C d) 21.70 C
26.
Which of the following helps in clotting of blood?
a)
vitamin B1 b) vitamin B2 c) vitamin
D d) vitamin K
27.
Total volume of blood in a normal adult human being is :
a) 5 – 6 litres b)
3 – 4 litres
c)
8 – 10
lietres d)
10 -12 lietres
28.
How many bones are there in an adult human being ?
a)
210 b)
250 c) 206 d)
300
29.
The pancreas secretes ?
a) insulin b) bile juice c) peptic
juice d) None of these
30.
The largest part of the human brain is the :
a) medulla
oblongata b)
cerebellum
c) cerebrum d)
None of these
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