Which one of the following statements is correct about amoeba?
A)
Amoeba belongs to the group of fungi.
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B)
Amoeba prepare their own food.
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C)
Amoeba is a unicellular organism.
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D)
Amoeba cannot move from one place to another.
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E)
None of these
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When two bodies are rubbed against each other:
A)
they acquire equal and similar charges
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B)
they acquire equal and opposite charges
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C)
they acquire unequal and similar charge
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D)
they acquire unequal and opposite charge
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E)
None of these
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An incident ray makes an angle of \[25{}^\circ \]with the surface of a plane mirror. What is the angle of reflection?
A)
\[25{}^\circ \]
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B)
\[35{}^\circ \]
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C)
\[45{}^\circ \]
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D)
\[65{}^\circ \]
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E)
None of these
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Horticulture deals with the productions of:
A)
vegetables
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B)
fruits
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C)
decorative plant
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D)
all of these
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E)
None of these
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Find the odd one from the following.
A)
Wood
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B)
Coal
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C)
Charcoal
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D)
Stone
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E)
None of these
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Name the constellation given below.
A)
Scorpius
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B)
Cassiopeia
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C)
Ursa major
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D)
Orion
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E)
None of these
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Calorific value of a fuel is the heat energy produced when:
A)
a part of the fuel is completely burnt
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B)
one gram of the fuel is completely burnt
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C)
one kilogram of the fuel is completely burnt
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D)
half of the total available fuel is completely burnt
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E)
None of these
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Which was the first synthetic fibre to be made entirely of chemicals?
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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What does irrigation mean?
A)
Supplying water to crops in the field
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B)
Supplying manures to crops in the field
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C)
Supplying fertilizers to crops in the field
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D)
Supplying humus to crops in the field
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E)
None of these
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Chickenpox is caused by which one of the following microorganisms?
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 petroleum product is used for making candles and vaseline?
A)
Paraffin wax
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B)
Lubricating oil
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C)
Kerosene
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D)
Coal tar
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E)
None of these
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Which one of the following plastics can be repeatedly heated and moulded into any desired shape?
A)
Formica
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B)
Melamine
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C)
Bakelite
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D)
Polyvinyl chloride
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E)
None of these
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Which one of the following can displace hydrogen from a dilute acid?
A)
Mercury
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B)
Lead
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C)
Copper
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D)
Gold
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E)
None of these
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How many images will be formed if two plane mirrors are inclined to each other at an angle of\[180{}^\circ \]?
A)
0
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B)
1
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C)
2
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D)
3
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E)
None of these
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Which one of the following statements is incorrect about metals?
A)
Metals are generally solid at room temperature
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B)
Metals generally have high density
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C)
Metals form acidic oxide with oxygen
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D)
Metals are lustrous
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E)
None of these
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Which one of the following is a thick, black liquid having an unpleasant smell and obtained by heating coal in the absence of air?
A)
Coal tar
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B)
Coke
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C)
Petrol
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D)
Diesel
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E)
None of these
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Plants and animals of a particular area are called:
A)
flora and fauna of that area
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B)
endemic species of that area
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C)
biodiversity of that area
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D)
all of these
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E)
None of these
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In which one of the following does a single cell not perform all life functions?
A)
Amoeba
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B)
Paramecium
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C)
Bacteria
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D)
Ant
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E)
None of these
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In which one of the following animals internal fertilization takes place?
A)
Frog
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B)
Starfish
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C)
Jellyfish
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D)
All of these
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E)
None of these
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Find the odd one from the following.
A)
Dinosaur
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B)
Dodo
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C)
Cave lion
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D)
Snow leopard
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E)
None of these
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Which one of the following is an oviparous animal?
A)
Dog
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B)
Lion
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C)
Cat
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D)
Horse
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E)
None of these
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Estrogen is produced by:
A)
ovary
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B)
testes
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C)
thyroid gland
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D)
adrenal gland
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E)
None of these
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Weight is a measure of the:
A)
earth's gravitational pull on an object
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B)
matter contained in an object
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C)
pressure exerted by air on the surface of earth
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D)
all of these
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E)
None of these
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In which one of the following actions force is used?
A)
Lifting
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B)
Stretching
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C)
Twisting
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D)
All of these
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E)
None of these
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The first menstrual flow that begins at puberty is known as:
A)
menarche
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B)
menopause
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C)
menstruation
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D)
ovulation
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E)
None of these
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Friction can be increased by:
A)
making the surfaces smooth
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B)
lubricating the surfaces
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C)
using ball bearings
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D)
making the surfaces rough
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E)
None of these
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Sound of frequency 530 Hz is of lower pitch than sound of frequency:
A)
630 Hz
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B)
430 Hz
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C)
500 Hz
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D)
100 Hz
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E)
None of these
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Which one of the following statements is correct about friction?
A)
Friction is always a disadvantage.
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B)
Friction depends on the nature of two surfaces.
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C)
Friction is independent of the force with which the two surfaces are pressed together.
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D)
Static friction is smaller than rolling friction.
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E)
None of these
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Which one of the following statements is correct?
A)
The earthquake occurs when the tectonic plates of the earth's crust slide past one another.
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B)
The earthquake occurs when the tectonic plates of the earth's collide with one another.
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C)
The weak zones of earth's crust, which are more prone to earthquakes, are called seismic zones.
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D)
All of these
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E)
None of these
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If amplitude of the vibrations is doubled, the loudness of the sound:
A)
will increase two times
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B)
will increase four times
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C)
will decrease two times
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D)
will decrease four times
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E)
None of these
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When electric current is passed through acidified water then hydrogen and oxygen are formed. What type of effect of current is illustrated by this statement?
A)
Heating effect
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B)
Magnetic effect
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C)
Chemical effect
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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 gasses is produced due to incomplete combustion of fuels?
A)
Carbon dioxide
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B)
Carbon monoxide
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C)
Oxygen
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D)
Hydrogen
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E)
None of these
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When copper sulphate is dissolved in water:
A)
positively charged copper ions are formed
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B)
negatively charged sulphate ions are formed
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C)
no ions are formed
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D)
Both [a] and [b]
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E)
None of these
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Which one of the following statements about the cytoplasm is incorrect?
A)
Cytoplasm is the jelly like substance which fills the cell between nucleus and cell membrane
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B)
Most of the chemical reactions which keep cell alive take place in cytoplasm
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C)
Many cell organelles are present in the cytoplasm
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D)
Cytoplasm controls all the activity of a ceil
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E)
None of these
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44 What has been represented by x in the following figure?
A)
Angle of incidence
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B)
Angle of refraction
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C)
Angle of emergence
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D)
Angle of deviation
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E)
None of these
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Which one of the following celestial objects revolves around the sun in highly elliptical orbit and as it approaches the sun it 47evelops a long glowing tail?
A)
Meteors
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B)
Meteorites
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C)
Comets
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D)
Asteroids
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E)
None of these
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Which one of the following statements is correct?
A)
Sulphur dioxide gas in the polluted air causes respiratory problems
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B)
Nitrogen oxide in polluted air attack breathing system and leads to lung congestion
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C)
Carbon monoxide combines with the haemoglobin of our blood and reduces the oxygen-carrying capacity of blood
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D)
All of these
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E)
None of these
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The time taken by a vibrating object to complete one vibration is called its:
A)
amplitude
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B)
frequency
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C)
time-period
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D)
all of these
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E)
None of these
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Metamorphosis takes place in which one of the following organism?
A)
Amoeba
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B)
Fro
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C)
Human
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D)
Chimpanzee
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E)
None of these
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Which one of the following statements is correct?
A)
All cells of human body are of similar shape and size
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B)
Only muscular cells of human body have cell wall
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C)
Nervous cells are specialized to carry messages from one part of the body to other part
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D)
Dead parts of the body like hair are not made of cells
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E)
None of these
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