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Which one of the following is a source of irrigation for a crop field?
A)
Rivers
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B)
Canal
done
clear
C)
Dams
done
clear
D)
All of these
done
clear
E)
None of these
done
clear
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Which one of the following is a non-metal?
A)
Sodium
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B)
Oxygen
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C)
Aluminium
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D)
Magnesium
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E)
None of these
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Which one of the following fuels has the highest calorific value?
A)
Hydrogen gas
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B)
LPG
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C)
CNG
done
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D)
Petrol
done
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E)
None of these
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Water requirement of crops depends on which one of the following factors?
A)
Nature of the crops
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B)
Colour of the crops
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C)
Nature of the soil
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D)
Both [a] and [c]
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E)
None of these
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Which one of the following micro-organism scauses tuberculois?
A)
Bacteria
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B)
Virus
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C)
Fungi
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D)
Algae
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E)
None of these
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Which one of the following is obtained after destructive distillation of coal?
A)
Petrol
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B)
Diesel
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C)
Wax
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D)
Coal tar
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E)
None of these
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Which one of the following is not a combustible substance?
A)
Coal
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B)
Glass
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C)
Wood
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D)
Paper
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E)
None of these
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Identify the micro-organism given below.
A)
Amoeba
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B)
Hydra
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C)
Paramecium
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D)
Chlamydomonas
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E)
None of these
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Which one of the following is the least reactive metal?
A)
Copper
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B)
Aluminium
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C)
Silver
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D)
Gold
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E)
None of these
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The process of removing weeds from the crop field is known as:
A)
Irrigation
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B)
Ploughing
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C)
Weeding
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D)
Threshing
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E)
None of these
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Which one of the following kind of force will you experience when you bring an iron rod near a magnet?
A)
Electrostatic force
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B)
Gravitational force
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C)
Magnetic force
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D)
Frictional force
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E)
None of these
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Which one of the following kind of energy enables us to hear?
A)
Light energy
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B)
Sound energy
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C)
Heat energy
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D)
Electrical energy
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E)
None of these
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Which one of the following statements is correct? |
Statement A: Polyester is a natural fibre. |
Statement B: Polyester is a synthetic fibre. |
A)
Statement A
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B)
Statement B
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C)
Both statements are correct
done
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D)
Both statements are incorrect
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E)
None of these
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Which one of the following is a thermosetting plastic?
A)
Bakelite
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B)
Polythene
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C)
Polyvinyl chloride
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D)
All of these
done
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E)
None of these
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Which one of the following is an advantage of establishing a biosphere reserve?
A)
It helps in the conservation of wildlife
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B)
It helps to maintain the biodiversity of the area
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C)
It prevents the commercial exploitation of the area
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D)
All of these
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E)
None of these
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Which one of the following is an endangered species?
A)
Dinosaur
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B)
Dodo
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C)
Snow leopard
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D)
Anaconda
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E)
None of these
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The fertilization, which takes place inside the human body, is known as:
A)
Internal fertilization
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B)
External fertilization
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C)
Self pollination
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D)
Cross pollination
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E)
None of these
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The group of similar cells which work together to perform a particular function is called:
A)
Tissue
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B)
Organs
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C)
Organ system
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D)
Bones
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E)
None of these
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Look at the following figure and choose the correct option
A)
It is a cell
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B)
It is a tissue
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C)
It is an organ
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D)
It is an organ system
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E)
None of these
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Which one of the following organs produces male sex cells?
A)
Ovaries
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B)
Testes
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C)
Ureter
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D)
Bladder
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E)
None of these
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The immediate burning of a cooking gas in a gas stove to give heat and light is an example of:
A)
Rapid combustion
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B)
Spontaneous combustion
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C)
Explosive combustion
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D)
All of these
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E)
None of these
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Identify the phase of moon which has been shown in the following figure and choose the correct option.
A)
New moon
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B)
Full moon
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C)
Half moon
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D)
Crescent moon
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E)
None of these
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The process during which adolescent boys and girls reach sexual maturity and become capable of reproduction is called:
A)
Puberty
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B)
Menstrual cycle
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C)
Menstruation
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D)
Menopause
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E)
None of these
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Which one of the following combination of sex chromosomes in zygote results a boy?
A)
XX
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B)
XY
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C)
YY
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D)
All of these
done
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E)
None of these
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Which one of the following statements is correct? |
Statement 1: Force has only magnitude not direction |
Statement 2: Force has both magnitude as well as direction |
A)
Statement 1
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B)
Statement 2
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C)
Both statements are correct
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D)
Both statements are incorrect
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E)
None of these
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If a force of 1000 N is applied to an object of area\[10\,\,{{m}^{2}}\]. Calculate the pressure.
A)
\[100\,N/{{m}^{2}}\]
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B)
\[200\,N/{{m}^{2}}\]
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C)
\[400\,N/{{m}^{2}}\]
done
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D)
\[500\,N/{{m}^{2}}\]
done
clear
E)
None of these
done
clear
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Which one of the following statements is correct? |
Statement 1: The rolling friction is greater than the sliding friction. |
Statement 2: The rolling friction is smaller than he sliding friction. |
A)
Statement 1
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B)
Statement 2
done
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C)
Both statements are correct
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clear
D)
Both statements are incorrect
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E)
None of these
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clear
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Which one of the following sounds can't be heard by us?
A)
Sound having frequency 50 hertz
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B)
Sound having frequency 2000 hertz
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C)
Sound having frequency 19500 hertz
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clear
D)
Sound having frequency 50000 hertz
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E)
None of these
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The process of breaking up of an electrolyte chemically on passing an electric current through it is called:
A)
Electroplating
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B)
Electrolysis
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C)
Galvanization
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D)
All of these
done
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E)
None of these
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Which one of the following statements is correct? |
Statement A: Sound travels faster in steel than air |
Statement B: Sound travels faster in air than steel |
A)
Statement A
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B)
Statement B
done
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C)
Both statements are correct
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D)
Both statements are incorrect
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E)
None of these
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Which one of the following is a positive charged particle?
A)
Electron
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B)
Proton
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C)
Neutron
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D)
All of these
done
clear
E)
None of these
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The average distance between Sun and Venus is:
A)
\[108\times {{10}^{6}}\,\,km\]
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B)
\[58\times {{10}^{6}}\,\,km\]
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C)
\[218\times {{10}^{6}}\,\,km\]
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D)
\[354\times {{10}^{6}}\,\,km\]
done
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E)
None of these
done
clear
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According to the laws of reflection:
A)
Angle of incidence is half to the angle of reflection
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B)
Angle of incidence is equal to the angle of reflection
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clear
C)
Angle of incidence is twice to the angle of reflection
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D)
Both [b] and [c]
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E)
None of these
done
clear
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What has been shown in the following figure?
A)
Regular reflection of light
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B)
Diffuse reflection of light
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C)
Refraction of light
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D)
Dispersion of light
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E)
None of these
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Which one of the following is an air pollutant?
A)
Sulphur dioxide
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B)
Nitrogen oxide
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C)
Carbon monoxide
done
clear
D)
All of these
done
clear
E)
None of these
done
clear
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Which one of the following is a harmful effect of acid rain?
A)
Acid rain kills aquatic animals
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B)
Acid rain increase the fertility of soil
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C)
Acid rain damages historical monuments
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D)
Both A and C
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E)
None of these
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clear
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Which one of the following is a kharif crop?
A)
Cotton
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B)
Wheat
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C)
Gram
done
clear
D)
Mustard
done
clear
E)
None of these
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Scientists who study microorganisms are known as:
A)
Sesmologists
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B)
Astronaut
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C)
Microbiologists
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D)
Geologists
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E)
None of these
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Which one of the following fibres is known as artificial silk?
A)
Rayon
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B)
Nylon
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C)
Polyester
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D)
Acrylic
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E)
None of these
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Which one of the following options correctly represents the life cycle of a mosquito?
A)
Egg\[\to \]larva\[\to \]adult\[\to \]pupa
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B)
Egg\[\to \]pupa\[\to \]larva\[\to \]adult
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C)
Egg\[\to \]larva\[\to \]pupa \[\to \]adult
done
clear
D)
Egg\[\to \]adult\[\to \]larva\[\to \]pupa
done
clear
E)
None of these
done
clear
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