When a stone is thrown upwards, its speed decreases gradually. Name the force which causes this change in speed.
A)
Force of friction
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B)
Electrostatic force
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C)
Magnetic force
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D)
Force of gravity
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E)
None of these
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Normal is a line which is drawn at an angle of _____to the mirror surface at the point of incidence?
A)
\[0{}^\circ \]
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B)
\[45{}^\circ \]
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C)
\[90{}^\circ \]
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D)
\[180{}^\circ \]
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E)
None of these
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Which part of the Earth consists of tectonic plates?
A)
Crust
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B)
Mantle
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C)
Inner core
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D)
Outer core
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E)
None of these
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In which of the following cells, nuclear material is not surrounded by a nuclear membrane?
A)
A bacterium cell
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B)
Cell of an amoeba
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C)
A plant cell
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D)
An animal cell
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E)
None of these
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When we press a bulb of a dropper with its nozzle kept in water, air in the water is seen to escape in the form of bubbles. Once we release the pressure on the bulb, water gets filled in the dropper. The rise of water in the dropper is due to:
A)
pressure of water
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B)
gravity of the Earth
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C)
shape of rubber bulb
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D)
atmospheric pressure
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E)
None of these
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In plant cell, cell wall is present:
A)
inside the cell membrane
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B)
outside the cell membrane
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C)
in the nucleus
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D)
around the nuclear membrane
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E)
None of these
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Which one of the following statements is incorrect?
A)
Venus has a dense atmosphere which contains high percentage of carbon dioxide.
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B)
The two main reasons for Venus to be the hottest planet in the Solar System is its nearness to the Sun and greenhouse effect.
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C)
Venus shows phases like Moon.
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D)
Venus is very hot during the day and freezing cold during the night.
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E)
None of these
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How many images of an object will be formed if the object is placed between two plane mirrors inclined at an angle of 90°?
A)
1
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B)
2
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C)
3
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D)
4
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E)
None of these
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Which of the following was not stated in the cell theory proposed by the German biologists Mathias Schleiden and Thedor Schwann?
A)
All living things are made up of cells.
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B)
New cells are formed due to division in old cells.
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C)
All cells are similar in their basic structure and function but they differ in size and structure.
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D)
The organisation of cells in the body of a living organism determines its structure.
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E)
None of these
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Which of the following constellations appears to have the shape of distorted W or M?
A)
Leo Major
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B)
Cassiopeia
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C)
Orion
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D)
Ursa Major
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E)
None of these
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What change will you notice in a sound, if amplitude of the source producing the sound is increased?
A)
Sound will become louder.
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B)
Sound will become high-pitched.
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C)
Sound will become low-pitched.
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D)
Sound will become fainter.
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E)
None of these
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Which among the following is a single cell?
A)
A sperm
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B)
An egg
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C)
A foetus
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D)
Both [a] and [b]
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E)
None of these
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Name two glands present in the skin whose increased activity causes pimples and acne.
A)
Sebaceous gland and salivary gland
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B)
Salivary gland and pituitary gland
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C)
Pituitary gland and adrenal gland
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D)
Sweat gland and sebaceous gland
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E)
None of these
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Which of the following crops is grown by sowing the seeds directly in the soil?
A)
Wheat
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B)
Gram
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C)
Maize
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D)
All of these
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E)
None of these
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Name a non-metal which is lustrous.
A)
Sulphur
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B)
Phosphorus
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C)
Iodine
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D)
All of these
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E)
None of these
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Entamoeba is a:
A)
Protozoa
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B)
Bacteria
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C)
Virus
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D)
Fungi
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E)
None of these
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Product obtained by burning of coal in the presence of air is:
A)
Coal gas
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B)
Coat tar
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C)
Coke
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D)
Carbon dioxide
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E)
None of these
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In which of the following zones of a biosphere reserve, non-destructive human activities such as settlement of tribal and cultivation of crops are allowed?
A)
Core zone
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B)
Buffer zone
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C)
Transition zone
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D)
All of these
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E)
None of these
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The slow process by which the dead plants buried deep under the Earth have become coal is called:
A)
Catenation
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B)
Carbonisation
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C)
Destructive distillation
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D)
Carbon cycle
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E)
None of these
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Which one of the following statements is incorrect?
A)
Acrylic is a synthetic fibre.
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B)
Acrylic fibre is made from a chemical called acrylonitrile.
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C)
Acrylic fibre cannot be dyed.
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D)
Acrylic is lightweight, soft and resists shrinkage.
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E)
None of these
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Which one of the following statements is correct about manure?
A)
Manure decreases the water-holding capacity of soil.
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B)
Manure decreases the number of useful microbes in the soil.
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C)
Manure is slowly absorbed by the plants as compared to the fertilizers.
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D)
A manure is very rich in essential plant nutrients like nitrogen, phosphorus and potassium.
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E)
None of these
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Which one among the following elements can displace magnesium from a solution of magnesium sulphate?
A)
Zinc
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B)
Iron
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C)
Calcium
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D)
Lead
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E)
None of these
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In which of the following places you cannot find micro-organisms?
A)
Pond
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B)
Soil
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C)
Air
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D)
Lake
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E)
None of these
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Name the two endangered animals from the following.
A)
Bison and dodo
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B)
Snow leopard and desert cat
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C)
Tiger and python
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D)
Caspian tiger and cave lion
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E)
None of these
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The colour of flame produced by the fuel in the sufficient supply of oxygen is:
A)
Black
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B)
Yellow
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C)
Green
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D)
Blue
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E)
None of these
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Which among the following is a weak electrolyte?
A)
Ammonium chloride solution
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B)
Sulphuric acid solution
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C)
Nitric acid solution
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D)
Sodium hydroxide solution
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E)
None of these
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What is the frequency of a vibrating body whose time-period is 0.05 second?
A)
20 hertz
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B)
50 hertz
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C)
100 hertz
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D)
120 hertz
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E)
None of these
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Which one of the following can be used to detect an electric current passing through a circuit?
A)
LED
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B)
Compass
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C)
Electric bulb
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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 statements is incorrect?
A)
The crust of the Earth is made of comparatively lighter rocks than that of mantle
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B)
The crust of the Earth is made of number of plates.
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C)
Continental plates are comparatively thinner than that of oceanic plates.
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D)
Movement of tectonic plates is caused by convection currents taking place in the mantle.
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E)
None of these
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The type of pollution which is likely to affect Taj Mahal in Agra to a greater extant is:
A)
Air pollution
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B)
Water pollution
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C)
Soil pollution
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D)
Sound pollution
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E)
None of these
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Select the pair of words which are related in the same way as 'Frequency' is related to 'Hertz'.
A)
Power: Energy
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B)
Pressure: Time
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C)
Force: Newton
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D)
Mass: Metre
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E)
None of these
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Find the missing number in place of the question mark (?).
A)
37
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B)
73
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C)
47
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D)
74
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E)
None of these
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Complete the series given below. C, H, L, Q, ?, Z
A)
T
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B)
U
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C)
V
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D)
W
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E)
None of these
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Complete the series given below. A_ VZ_AV_ZA_ V
A)
AVAZ
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B)
ZVZA
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C)
AZVA
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D)
ZVAZ
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E)
None of these
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After walking 3 km in a direction, I turned right and walked 2 km then I turned left and walked 5 km then I turned left again and walked 4 km, then I turned right and walked 2 km. In the end, I was moving towards the North. I started my journey by moving in which direction?
A)
North
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B)
South
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C)
East
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D)
West
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E)
None of these
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In a certain code FINGER is written as DGLECP, what will be the code for KIDNEY in the same language?
A)
IGBLCW
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B)
IGCLBW
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C)
IBCGLE
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D)
IGBKCV
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E)
None of these
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In a queue. Ram is 16th from the front while Ramesh is 27th from behind and Tina is just in the middle of the two. If there are 60 persons in the queue, what position does Tina occupy from the front?
A)
24th
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B)
25th
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C)
26th
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D)
27th
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E)
None of these
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If M + N means 'M' is the brother of 'N', M \[-\] N means 'M' is the sister of 'N', M \[\times \] N means 'M' is the mother of 'N' and M \[\div \] N means 'M' is father of 'N', then which of the following would mean 'E' is the paternal aunt of 'F'?
A)
\[E-G\div F\]
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B)
\[E+G\times F\]
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C)
\[E\times F-G\]
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D)
\[F\times G+E\]
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E)
None of these
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Pointing towards a person in a photograph, Raju said, "he is the only son of the mother of my mother's brother." How is the person related to Raju?
A)
Brother
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B)
Father
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C)
Maternal uncle
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D)
Grandfather
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E)
None of these
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Find the missing number in place of the question mark (?).
A)
11
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B)
22
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C)
16
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D)
44
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E)
None of these
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Which combination of statements is correct? i. Pressure is produced when a force acts on an object. ii. The same force can produce different pressure, depending on the area over which it acts. iii. If a force of 150 N is applied to \[2{{m}^{2}}\]area of an object, 50 pascal pressure would be produced iv. If the two forces applied to an object acts in the opposite direction then the net force acting on the object is equal to the difference between the two forces. v. Magnitude of a force can never be more than 1, 25,000 N.
A)
i, ii and iii
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B)
ii, iii and iv
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C)
i, ii and iv
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D)
ii, iv and v
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E)
None of these
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Match the following.
[A] Sowing (I) Butachlor [B] Irrigation (II) Sickle [C] Weeding (III) Seed drill [D] Harvesting (IV) Drip system [E] Ploughing (V) Cultivator
A)
A-II, B-IV, C-I, D-III, E-V
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B)
A-III, B-IV, C-I, D-II, E-V
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C)
A-III, B-IV, C-II, D-I, E-V
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D)
A-III, B-II, C-IV, D-V, E-I
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E)
None of these
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Some terms are missing in the table given below.
Human disease Causative microorganism Mode of transmission Tuberculosis \[\underline{\,\,\,\,P\,\,\,\,}\] Air \[\underline{\,\,\,\,Q\,\,\,\,}\] Virus Air Polio \[\underline{\,\,\,\,R\,\,\,\,}\] Air/water Protozoa \[\underline{\,\,\,\,T\,\,\,\,}\]
A)
P-bacteria, Q-cholera, R-virus, S-malaria, U-mosquito
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B)
P-bacteria, Q-measles, R-fungi, S-malaria, U-mosquito
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C)
P-bacteria, Q-measles, R-virus, S-dengue, U-mosquito
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D)
P-bacteria, Q-measles, R-virus, S-malaria, U-mosquito
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E)
None of these
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Fill in the blanks with correct combination of words. The sperms formed in\[\underline{\,\,\,\,P\,\,\,\,}\]come out and go into a coiled tube called\[\underline{\,\,\,\,Q\,\,\,\,}\]. They get stored here temporarily then are carried by a long tube called\[\underline{\,\,\,\,R\,\,\,\,}\]into organs\[\underline{\,\,\,\,S\,\,\,\,}\].The seminal vesicles join to another tube called\[\underline{\,\,\,\,T\,\,\,\,}\]which carries sperms from seminal vesicles to penis.
A)
P-testes, Q-epididymis, R-sperm duct, S-seminal vesicles, T-urethera
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B)
P-testes, Q-epididymis, R-urethera, S-seminal vesicles, T-sperm duct
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C)
P-testes, Q-seminal vesicles, R-sperm duct, S- epididymis, T-urethera
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D)
P-testes, Q-seminal vesicles, R-sperm duct, S-urethera, T-epididymis
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E)
None of these
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Which combination of statements is correct? I. Planet Mercury takes 88 days to turn once on its axis. II. Planet Venus takes about 243 days to turn once on its axis.in. III. Neptune was the first planet which was discovered with the help of a telescope. IV. Planet Jupiter does not have atmosphere. V. Diameter of planet Uranus is about four times that of the planet Earth.
A)
i, iii and iv
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B)
ii and iii
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C)
iii, iv and v
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D)
ii and v
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E)
None of these
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Which combination of statements is incorrect? i. Sound can travel faster than light in vacuum. ii. Eardrum is a tightly stretched membrane which converts sound waves into electrical impulses. iii. If frequency of a sound wave is 1800 hertz, it is an infrasonic sound. iv. Middle ear consists of three interlocked bones named as hammer, anvil and tibia. v. Ear canal in the outer ear is the passage which carries sound waves to the eardrum.
A)
i, ii, iii and iv
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B)
ii, iii, iv and v
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C)
i, iii and v
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D)
i, iv and v
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E)
None of these
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Which combination of statements is correct? i. Cell wall does not allow any substance to move inside or outside of the cell. ii. Cell membrane is a living part of a cell. iii. No chemical reaction takes place in cytoplasm. iv. it is the mitochondria which provides energy for all the activities of the cell. v. The cell wall of plant cell is made up of cellulose.
A)
i. ii and iii
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B)
ii, iv and v
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C)
i, ii and iv
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D)
i, ii and v
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E)
None of these
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Match the following.
[A] Brass (I) Copper, tin [B] Bronze (II) Copper, zinc, nickel [C] Steel (III) Copper, zinc [D] Magnalium (IV) Iron, carbon [E] German silver magnesium (V) Aluminium, magnesium
A)
A\[\to \]III, B\[\to \]I, C\[\to \]IV, D\[\to \]V, E\[\to \]II
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B)
A\[\to \]III, B\[\to \]II, C\[\to \]IV, D\[\to \]V, E\[\to \]I
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C)
A\[\to \]I, B\[\to \]III, C\[\to \]V, D\[\to \]IV, E\[\to \]II
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D)
A\[\to \]III, B\[\to \]V, C\[\to \]II, D\[\to \]I, E\[\to \]IV
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E)
None of these
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Fill in the blanks with correct combination of terms. Copper gets corroded in the presence of\[\underline{\,\,\,\,L\,\,\,\,}\], \[\underline{\,\,\,\,M\,\,\,\,}\] and oxygen to form a\[\underline{\,\,\,\,N\,\,\,\,}\]coating which is a mixture of \[\underline{\,\,\,\,O\,\,\,\,}\]and\[\underline{\,\,\,\,P\,\,\,\,}\].
A)
\[L-S{{O}_{2'}}M-{{H}_{2}}O,N-green,\]\[O-Cu{{\left( OH \right)}_{2'}}P-CuS{{O}_{4}}\]
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B)
\[L-HN{{O}_{3'}}M-{{H}_{2}}O,N-green,\]\[O-Cu{{(OH)}_{2'}}P-Cu{{(N{{O}_{3}})}_{2}}\]
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C)
\[L-C{{O}_{2'}}M-{{H}_{2}}O,N-green,\]\[O-Cu{{(OH)}_{2'}}P-CuC{{O}_{3}}\]
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D)
\[L-CO,M-{{H}_{2}}O,N-brown,\]\[O-Cu{{(OH)}_{2'}}P-CuC{{O}_{3}}\]
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E)
None of these
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Some terms are missing in the table given below. Choose the correct option to complete the table.
Chemical properties of metals Metal Reaction with water Reaction with dilute HCL \[\underline{\,\,\,\,P\,\,\,\,}\] Reacts violently Reacts violently Mg Reacts with\[\underline{\,\,\,\,Q\,\,\,\,}\]and \[\underline{\,\,\,\,R\,\,\,\,}\] Reacts to give salt and\[{{H}_{2}}\] \[\underline{\,\,\,\,S\,\,\,\,}\] Reacts only with steam Reacts to give salt and\[\underline{\,\,\,\,T\,\,\,\,}\] \[\underline{\,\,\,\,U\,\,\,\,}\] Does not react Does not react
A)
P-sodium, Q-hot water, R-steam, S-copper, T-water, U-gold
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B)
P-potassium, Q-hot water, R-steam, S-zinc, T-hydrogen, U-gold
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C)
P-potassium, Q-cold water, R-steam, S-zinc, T-water, U-silver
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D)
P-aluminium, Q-hot water, R-steam, S-copper, T-hydrogen, U-gold
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E)
None of these
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