1.In
1986, the worst nuclear accident was happened in a Russian city of _____ :
Answer
:-Chernobyl
2. Most
of the electronic chips are made out of the element _____ :
Answer
:- Silicon
3.What is circadian rhythm ?
Answer
:-A
biological rhythm having a duration of about a day
4. Which
is the common liver disease found in regular alcoholics ?
Answer
:-Cirrhosis
5. Which
is the technique often used to produce artificial rain ?
Answer
:- Cloud Seeding
6.The
hereditary condition in man in which the person fails to differentiate between
one or more colours is _____ :
Answer
:-Colour
blindness
7. Who wrote Canon of Medicine, a
summary of Greek and Arabic medical knowledge ?
Answer
:-Ibn-Sina
(980-1047), also known as Avicenna
8. Where
does the headquarters of International Atomic Energy Agency located ?
Answer
:-Vienna
9. A
gas which obeys the gas laws exactly is called _____ :
Answer
:- Ideal
gas
10. A
branch of zoology that deals with the study of fishes is called _____ :
Answer
:-Ichthyology
11.The country where the Montreal
Protocol was signed up in 1987 is _____ :
Answer
:-Canada
12.Quantum
theory was originally proposed by ______ :
Answer
:-Max
Plank
13.The
Crystalline form of silicon dioxide is called _____ :
Answer
:- Quartz
14.The
anti-malarial drug extracted from the bark of cinchona tree is _____ :
Answer
:-Quinine
15.Which
cells of human body were affected by the rabies virus ?
Answer
:- Nerve
cells
16.The
phenomenon of spontaneous emissions of radiations from an unstable atom nucleus
is called ____ :
Answer
:-Radioactivity
17.The
process of coating iron or steel with zinc for protection against corrosion is
called _____ :
Answer
:- Galvanization
18.What
is an amalgam ?
Answer
:-An alloy
of a metal with mercury
19.A
genetic condition in which the normal skin colour is absent due to the lack of
skin pigments is ______ :
Answer
:-Albinism
20.The
bacterium which causes tumors in plants is _____ :
Answer
:-Agro
bacterium
21.Who
found out that plants absorb carbon dioxide and give off oxygen only in the
presence of light and that the reserve process occurs in dark ?
Answer
:-Jan
lngenhousz (1730-1799)
22.The
first probe to strike the Moon was _____ :
Answer
:-Luna -2
by USSR
23.The
first spacecraft orbited the Moon was _____ :
Answer :-Luna -10
24. The
total number of lobes of a human being is ______ :
Answer
:-Five (Right lung has three and left two)
25.Which
cell organelle helps tadpoles to shed off its tail during its development ?
Answer
:-Lysosome
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