Q which is not a green house
gas?
a.oxygen
b.carbon dioxide
cwater wapours
d.methane
Ans -a
The primary greenhouse
gases in the Earth's atmosphere are water vapor,
carbon
dioxide, methane,
nitrous
oxide, and ozone.
the major atmospheric constituents, nitrogen (N2), oxygen (O2), and argon (Ar), are not
greenhouse gases
Q What exist inside the
nucleus????????????
Ans – Protons and
neutrons. Electrons does not exist
Q which planet have no
atmosphere?
a.jupiter
b.mercury
c.venus
d. Saturn
Ans . Mercury
Q ;The gases used in normal
welding process
a.oxygen and hydrogen
b. oxygen , hydrogen
and acetylene
c. acetylene and
nitrogen
d. Oxygen and acetylene
ans - d
Q.Which of the
following is most commonly used for cloud seeding (artificial raining)?
a.magnesium hydroxide
b.potassium chloride
c silver iodide
d.zinc sulphate
ans - c
The first metal to be
used by man was
(A) Alluminium
(B) Copper
(C) Silver
(D) Iron
Ans - b
Q what is meant by
sulphur shower?
a.sulphuric acid rain
due to air pollution
b.shower of yellow
pollen from conifers in spring
c.an industrial process
to treat porcelain with sulphuric acid
d.realease of hydrogen
sulphide from industries
Ans - b
Q.A theodite is used
for measuring
a.ocean temperature
variation
b.celestial distances
c.river water flow
d.angles in horizontal
and vertical planes.
Ans - d
Q At which point of
earth there is no gravity?
a.at north pole and
south pole
b. at equator
c.on the ocean surfaces
d.at the centre of
earth
Ans- at the centre of
earth
Q what is the main
chemical component of vinegar?
a.Acetic acid
b.citric acid
c.tartaric acid
d.nitric acid
Ans – a
Q which is not a
jovian(gaseous planet) in the solar system?
a.jupiter
b.saturn
c.venus
d.naptune
c
There are four gas
giants in the Solar System: Jupiter, Saturn, Uranus and Neptune.
which of the following
is basic structural and functional unit
of kidney?
a.lymphocite
b.nephron
c.lobule
d.neuron
b
Q.which is the only
internal organ of human body capable of regenerating its lost tissues?
a.lungs
b.kidney
c.liver
d.brain
c
Qwhich of these is not
a micronutrient essential for plant growth and health?
Manganese
iodine
Boron
Zinc
c
The microminerals or trace
elements include at least iron, cobalt, chromium, copper,[2] iodine, manganese, selenium, zinc and molybdenum.
Q which is not a
jovian(gaseous planet) in the solar system?
a.jupiter
b.saturn
c.venus
d.naptune
c
There are four gas
giants in the Solar System: Jupiter, Saturn, Uranus and Neptune.
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