In the following figure, if x is equal to\[{{30}^{o}}\], find the value of y.
A)
\[15{}^\circ \]
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B)
\[30{}^\circ \]
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C)
\[45{}^\circ \]
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D)
\[60{}^\circ \]
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E)
None of these
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The following agricultural implement is used for:
A)
Ploughing of crop field
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B)
Sowing seed
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C)
Adding fertilizers and manures in the soil
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D)
Harvesting matured crop
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E)
None of these
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The following bird is an extinct animal. Identify it.
A)
Dodo
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B)
Kiwi
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C)
Ostrich
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D)
Penguin
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E)
None of these
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The infectious agent given below behaves as non- living thing as long as it is outside the living cells but as soon as it enters the living cells, it starts behaving like living things by carrying out the process of reproduction. Identify it.
A)
Virus
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B)
Bacteria
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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 options contains only inexhaustible natural resources?
A)
Sunlight, air, coal
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B)
Coal, petroleum, natural gas
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C)
Coal, air, water
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D)
Sunlight, air, water
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E)
None of these
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Speed of sound is fastest in:
A)
Air
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B)
Water
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C)
Iron
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D)
Vacuum
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E)
None of these
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In which one of the following actions force is used?
A)
Twisting an object
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B)
Stretching a rubber band
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C)
Pressing a hard object
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D)
Lifting a solid object
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E)
All of these
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Direction: are based on the following passage. Nylon is a synthetic fibre. In fact, it was the first synthetic fibre entirely made of chemicals. The chemical compounds used in making nylon are obtained from petroleum products. It was developed in the 1935 as an alternative to silk. Nylon is made up of repeating units of a chemical called amide. Nylon fibres are very strong, fairly elastic, lightweight and lustrous. It can also be dyed easily, making the fabric available in a wide array of colors for consumers. Nylon is a thermoplastic and very sensitive to heat. Due to light weight, incredible tensile strength, durability and resistance to damage, nylon fibres are used in wide range of applications such as garments, ropes, tents, fishing nets, parachutes etc. Clothes made of nylon fibres are very strong, light and wrinkle resistant. The chemical compounds, which are used to make nylon, are obtained from:
A)
Petroleum products
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B)
Rocks
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C)
Minerals
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D)
Ores
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E)
None of these
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Direction: are based on the following passage. Nylon is a synthetic fibre. In fact, it was the first synthetic fibre entirely made of chemicals. The chemical compounds used in making nylon are obtained from petroleum products. It was developed in the 1935 as an alternative to silk. Nylon is made up of repeating units of a chemical called amide. Nylon fibres are very strong, fairly elastic, lightweight and lustrous. It can also be dyed easily, making the fabric available in a wide array of colors for consumers. Nylon is a thermoplastic and very sensitive to heat. Due to light weight, incredible tensile strength, durability and resistance to damage, nylon fibres are used in wide range of applications such as garments, ropes, tents, fishing nets, parachutes etc. Clothes made of nylon fibres are very strong, light and wrinkle resistant. Name the repeating units from which nylon is made up of.
A)
Amide
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B)
Amine
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C)
Ester
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D)
Ethane
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E)
None of these
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If X represents combustible substances and Y represents non-combustible substances then which one of the following options is correct?
A)
X: petrol, cement, coal; Y: charcoal, stone, iron
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B)
X: wood, paper, CNG; Y: sand, water, cement
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C)
X: paper, cloth, wood, Y: coal, water, soil
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D)
X: leaves, cow-dung, coal; Y: alcohol, iron, cement
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E)
None of these
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Which one of the following statements is correct about the element?
A)
An element is a substance which is made up of only one kind of atoms
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B)
An element is a substance which is made up of only two kinds of atoms
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C)
An element is a substance which is made up of two or more kinds of atoms
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D)
All of these
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E)
None of these
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By which one of the following process water is supplied to the crop plants in the field?
A)
Ploughing
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B)
Sowing
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C)
Weeding
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D)
Irrigation
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E)
None of these
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The temperature at the surface of the Sun is about:
A)
\[1500{}^\circ C\]
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B)
\[4000{}^\circ C\]
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C)
\[6000{}^\circ C\]
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D)
\[10000000{}^\circ C\]
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E)
None of these
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Which one of the following properties about the acrylic fibre is incorrect?
A)
Acrylic is a lightweight soft fibre
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B)
Acrylic is a synthetic fibre
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C)
Acrylic fibres resist shrinkage and wrinkles
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D)
Acrylic fibres can't be dyed
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E)
None of these
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How long does the planet Saturn take to complete one rotation on its axis?
A)
About 24 hours 30 minutes
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B)
About 15 hours 30 minutes
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C)
About 10 hours 14 minutes
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D)
About 5 hours 30 minutes
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E)
None of these
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Which one of the following micro-organisms belongs to the group of algae?
A)
Rhizobium
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B)
Amoeba
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C)
Paramecium
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D)
Spirogyra
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E)
None of these
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Which one of the following is the least flexible plastic?
A)
Bakelite
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B)
Polythene
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C)
Polyvinyl chloride
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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 metals does not react with water?
A)
Sodium
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B)
Calcium
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C)
Silver
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D)
Magnesium
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E)
None of these
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Which one of the following substances is obtained by heating coal in absence of air?
A)
Plastics
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B)
Detergents
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C)
Perfumes
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D)
Coal tar
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E)
None of these
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Bursting of crackers is which one of the following kind of combustion?
A)
Rapid combustion
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B)
Slow combustion
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C)
Spontaneous combustion
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D)
Explosive combustion
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E)
None of these
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Fertilization occurs when:
A)
A male gamete fuses with another male gamete
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B)
A female gamete fuses with another female gamete
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C)
A male gamete fuses with a female gamete
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D)
All of these
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E)
None of these
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Why it is difficult to walk on a slippery surface?
A)
Because slippery surface offers low friction
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B)
Because slippery surface offers high friction
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C)
Because slippery surface offers no friction
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D)
Because slippery surface offers static friction
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E)
None of these
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Which one of the followings species of animal is facing the risk of extinction?
A)
Snow leopard
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B)
Irish deer
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C)
Cave lion
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D)
Caspian tiger
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E)
None of these
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In the following diagram, design of a biosphere reserve has been shown. Name the zone which has been indicated by the letter X.
A)
Transition zone
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B)
Buffer zone
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C)
Core zone
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D)
Human settlement
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E)
None of these
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When a plastic comb is rubbed in dry hair and brought near small pieces of paper, the small pieces of paper move towards the comb and stick to it. Because:
A)
The comb exerts electrostatic force on the pieces of paper
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B)
The comb exerts magnetic force on the pieces of paper
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C)
The comb exerts gravitational force on the pieces of paper
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D)
The comb exerts frictional force on the pieces of paper
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E)
None of these
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Which one of the following cell organelle is present only in plant cell?
A)
Cell membrane
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B)
Cell wall
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C)
Mitochondria
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D)
Ribosome
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E)
None of these
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The process of photosynthesis takes place in which one of the following parts of the cell?
A)
Mitochondria
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B)
Ribosome
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C)
Nucleus
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D)
Chloroplast
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E)
None of these
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Which one of the following is a viviparous animal?
A)
Frog
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B)
Pigeon
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C)
Hen
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D)
Dog
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E)
None of these
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Which one of the following is a primary sexual characteristic in males?
A)
Uterus
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B)
Ovaries
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C)
Oviduct
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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 glands does not have duct and secrets its product directly in blood stream?
A)
Slivary gland
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B)
Sweat gland
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C)
Sebaceous gland
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D)
Thyroid gland
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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)
Using ball bearings
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C)
Lubricating the surfaces
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D)
Making the surface rough
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E)
None of these
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A pendulum makes 30 oscillations in 0.1 second. Find the freuency of the pendulum.
A)
3 hertz
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B)
30 hertz
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C)
300 hertz
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D)
3000 hertz
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E)
None of these
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Which one of the following is a weak electrolyte?
A)
Nitric acid solution
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B)
Sodium hydroxide solution
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C)
Hydrochloric acid solution
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D)
Carbonic acid solution
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E)
None of these
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The point from which the earthquake waves originate is called:
A)
Seismic focus
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B)
Epicenter
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C)
Hot spot
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D)
All of these
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E)
None of these
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On which one of the following parts of the eye image is formed?
A)
Retina
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B)
Iris
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C)
Cornea
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D)
Eye lens
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E)
None of these
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Name the constellation given below.
A)
Cassiopeia constellation
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B)
Leo Major constellation
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C)
Orion constellation
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D)
Ursa Major constellation
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E)
None of these
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Which one of the following gases is responsible for acid rain?
A)
Sulphur dioxide
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B)
Nitrogen oxide
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C)
Helium gas
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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 is not a pollutant unless present in excess in the atmosphere?
A)
Sulphur dioxide
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B)
Carbon monoxide
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C)
Nitrogen oxide
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D)
Carbon dioxide
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E)
None of these
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Measles causes by which one of the following organisms?
A)
Virus
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B)
Bacteria
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C)
Protozoa
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D)
Fungi
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E)
None of these
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In an experiment, 10g of a fuel is burn completely. The heat produced to be 360 J. Calculate the calorific value of the fuel.
A)
3.6 kJ/kg
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B)
36 kJ/kg
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C)
360 kJ/kg
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D)
3600 kJ/kg
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E)
None of these
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