Which one of the following is correct formula for potential energy?
A)
\[m\times ~g\times ~h\]
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B)
\[m{{v}^{2}}\]
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C)
\[G~\,\times \,m\,\times ~\,h\]
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D)
\[2\,\,m{{v}^{2}}\]
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E)
None of these
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How much distance light covers in 1 second?
A)
8, 00,000 km
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B)
6, 00, 000 km
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C)
7, 00, 000 km
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D)
3, 00, 000, km
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E)
None of these
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Many many years ago, trees buried under the soil squashed slowly over million of years. The wood turned into________.
A)
Minerals
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B)
Coal
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C)
Roots
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D)
Ash
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E)
None of these
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Which one of the following components of foo cannot be digested by our body?
A)
Carbohydrates
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B)
Fats
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C)
Roughage
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D)
Proteins
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E)
None of these
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Which one of the following moves due to muscle expansion and contraction?
A)
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B)
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C)
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D)
All of these
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E)
None of these
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The pores, present on the leaves through which exchange of respiratory gases takes place, is known as:
A)
Lenticel
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B)
Guard cells
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C)
Stomata
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D)
All of these
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E)
None of these
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If mass of an astronaut is 90 kg on the Earth then, what will be his mass on the Moon?
A)
10 kg
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B)
15 kg
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C)
20 kg
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D)
25 kg
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E)
None of these
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The motion of the Earth around the Sun and the motion of Moon around the Earth are example of________.
A)
Rectilinear motion
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B)
Periodic motion
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C)
Vibrational motion
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D)
Rotational motion
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E)
None of these
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Brain is a part of:
A)
Excretory system
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B)
Respiratory system
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C)
Reproduction
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D)
Nervous system
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E)
None of these
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Thermocol and petrol are made from:
A)
Plastic
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B)
Mineral oil
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C)
Crude oil
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D)
All of these
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E)
None of these
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Through which one of the following organs earthworm breathes in and breathes out?
A)
Lungs
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B)
Spiracles
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C)
Skin
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D)
Nose
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E)
None of these
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The part of garbage which are not decomposed by microorganisms are called:
A)
Biodegradable waste
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B)
Non- biodegradable waste
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C)
Biotic waste
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D)
All of these
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E)
None of these
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In the night both the fishes and the hydrilla plants take in ______and give out _______.
A)
Oxygen; oxygen
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B)
Carbon dioxide; oxygen
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C)
Oxygen; carbon dioxide
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D)
Carbon dioxide; carbon dioxide
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E)
None of these
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1 quintal is equal to:
A)
10 kg
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B)
100 kg
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C)
1000 kg
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D)
10000 kg
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E)
None of these
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The deficiency of which vitamin causes difficulty to see in dark?
A)
Vitamin A
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B)
Vitamin B
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C)
Vitamin C
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D)
Vitamin D
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E)
None of these
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A sugar-water solution is prepared by dissolving sugar in water. Here sugar is known as_______
A)
Solute
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B)
Solvent
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C)
Solution
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D)
All of these
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E)
None of these
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Green plants cannot performs the process of photosynthesis in the night because:
A)
Carbon dioxide is not available in the night.
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B)
Oxygen is not available in the night.
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C)
Sunlight is not available in the night.
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D)
All of these
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E)
None of these
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What kind of motion does a pendulum have?
A)
Rotational motion
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B)
Rectilinear motion
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C)
Periodic motion
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D)
None periodic motion
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E)
None of these
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Which one of the following provides the required heat energy for the evaporation of surface water?
A)
Sun
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B)
Earth
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C)
Moon
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D)
Oceans
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E)
None of these
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Which one of the following organ system is responsible for digestion of food?
A)
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B)
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C)
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D)
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E)
None of these
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During the process of transpiration plants releases excess _______ in the atmosphere.
A)
Oxygen
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B)
Carbon dioxide
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C)
Water
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D)
Minerals
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E)
None of these
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Match the following:
(A) Length 1. Kelvin (B) Mass 2. Second (C) Time 3. Meter (D) Temperature 4. Kilogram
A)
A - 3, B - 4, C - 2, D - 1
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B)
A - 2, B - 1, C - 3, D - 4
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C)
A - 1, B - 4, C - 2, D - 3
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D)
A - 3, B - 2, C - 4, D - 1
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E)
None of these
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A freely suspended magnet comes to rest in which direction:
A)
North-west direction
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B)
South-east direction
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C)
North-south direction
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D)
East-west direction
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E)
None of these
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Deficiency of Vitamin D and calcium lead to____.
A)
Rickets
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B)
Anaemia
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C)
Night blindness
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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 a opaque material?
A)
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B)
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C)
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D)
All of these
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E)
None of these
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After fertilization, which part of flower grows and becomes a fruit?
A)
Anther
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B)
Filament
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C)
Ovary
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D)
Stigma
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E)
None of these
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Match the following:
1. Nitrogen A. Leaf 2. Insects B. Heterotrophs 3. Chlorophyll C. Pitcher plant 4. Animals D. Bacteria
A)
1 - D, 2 - C, 3 - A, 4 - B
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B)
1 - C, 2 - D, 3 - A, 4 - B
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C)
1 - B, 2 - C, 3 - A, 4 - D
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D)
1 - A, 2 - C, 3 - D, 4 - B
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E)
None of these
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In which one of the following types of pulleys, the effort is less required?
A)
Fixed pulley
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B)
Movable pulley
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C)
Inclined pulley
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D)
All of these
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E)
None of these
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Presence of huge quantity of water vapour, methane, nitrous oxide and carbon dioxide in the atmosphere, which reflect back heat on to the earth surface, produces which one of the following?
A)
Reflection of light
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B)
Greenhouse effect
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C)
Formation of ozone gas
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D)
All of these
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E)
None of these
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John performs an experiment to show the presence of protein. He takes a piece of meat, mash it with the mortar and pestle, and add a little water to make a suspension. Now, he takes a little of this suspension in a test tube. He adds a few drops of copper sulphate solution to it and a few drops of sodium hydroxide solution. Which of the following observation will show the presence of protein?
A)
Solution becomes purple
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B)
Solution becomes milky
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C)
Solution becomes yellow
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D)
Solution becomes orange
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E)
None of these
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Obesity occurs due to :
A)
Overeating of carbohydrates and fats.
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B)
Not eating enough carbohydrates and fats.
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C)
Overeating of vitamins and minerals.
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D)
Not eating enough vitamins and minerals.
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E)
None of these
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Which one of the following countries is the leading producer of wool today?
A)
Germany
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B)
Australia
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C)
New Zeland
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D)
USA
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E)
None of these
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Which one of the following is not a fibre?
A)
Jute
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B)
Nylon
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C)
Leather
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D)
Wool
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E)
None of these
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Which one of the following is not a matter?
A)
Water
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B)
Air
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C)
Sound
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D)
Fruits
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E)
None of these
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The property used in separating a mixture of two solids by the given process is:
A)
Difference in colour
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B)
Difference in weight
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C)
Attraction by magnet
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D)
All of these
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E)
None of these
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The hinge joints allow movement in :
A)
All directions.
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B)
One plane only.
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C)
Two planes only.
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D)
Depends on where the joint is located in the body.
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E)
None of these
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Hibernation is an adaptation for:
A)
Preventing loss of water
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B)
Escaping hot weather
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C)
Escaping cold weather
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D)
All of these
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E)
None of these
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For the experimental determination of rusting of iron, calcium chloride solution is used. What will happen if an iron nail is placed in a jar which contains water vapour?
A)
No rusting takes place
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B)
Rusting takes place
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C)
Calcium chloride absorbs carbon dioxide
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D)
All of these
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E)
None of these
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If a potted plant is kept near a window through which light is coming in, the tip of the plant:
A)
Grows away from the window.
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B)
Grows towards the window.
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C)
Grows straight up.
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D)
Does not grow.
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E)
None of these
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In which plant does photosynthesis takes place in the stem rather than in the leaves?
A)
Bougainvillea
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B)
Potato
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C)
Onion
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D)
Cactus
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E)
None of these
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