A. Parasite
B. Scavenger
C. Predator
D. Mammal
E. None of these
0
The fruits without seed, like banana, are called_____________?
0
Quartz crystal in quartz watches work on the principle called?
A. Seedless fruits
B. Parthenogenesis fruits
C. Parthenocarpic fruits
D. placental fruits
E. Organic fruits
0
Oasis is associated with___________?
A. Photoelectric effect
B. Stark effect
C. Thermionic effect
D. Piezo-electric effect
E. None of these
0
Yeast is used in making bread because it produces____________?
A. Glaciers
B. Desert
C. Islands
D. Volcanoes
E. Fertile land
0
The phenomenon of Aurora Borealis, the display of red and green lights in northern hemisphere is due to radiations from____________ ?
A. Carbon dioxide
B. Sugar
C. Bacteria
D. Oxygen
E. None of these
0
Ozone layer prevents ______________ radiation from entering the atmosphere?
A. Ionosphere
B. Troposphere
C. Mesosphere
D. Stratosphere
E. None of these
0
Which one of the following is a non-metallic mineral?
A. Infra-red
B. Ultraviolet
C. X-rays
D. Gamma rays
E. None of these
0
Sedimentary rocks are__________?
A. Manganese
B. Magnesium
C. Gypsum
D. Bauxite
E. None of these
0
A moderator is used in nuclear reactor in order to ?
A. Porous
B. Hard
C. Rough
D. Brittle
E. Volcanic
0
A. Accelerate the neutrons
B. Slow down the speed of the neutrons
C. Increase the number of elections
D. Decrease the number of electrons
E. None of these
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