The bending of a beam of light when it passes from one medium to another medium is called:
A)
Refraction of light
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B)
Law of reflection
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C)
Reflection of light
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D)
All of these
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E)
None of these
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What happens when a beam of light is incident on a plane mirror at an angle of\[30{}^\circ \]?
A)
The angle of reflection will be equal to \[30{}^\circ \]
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B)
The angle of reflection will be greater than\[30{}^\circ \]
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C)
The angle of reflection will be less than\[30{}^\circ \]
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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 parts of human ear sends the signal from ear to the brain?
A)
Cochlea
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B)
Auditory Nerves
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C)
Ear canal
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D)
Hammer
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E)
None of these
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What is the audible range of sound?
A)
20 Hz - 20,000 Hz
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B)
Less than 10 Hz
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C)
5 Hz - 10 Hz
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D)
More than 20,000 Hz
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E)
None of these
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Consider the following statements: Statement 1: A solid has fixed shape and fixed volume. Statement 2: A liquid has fixed shape and fixed volume. Which one of the following options is correct about the above statements?
A)
Statement 1 is true and 2 is false
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B)
Statement 1 is false and 2 is true
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C)
Both statements are false
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D)
Both statements are true
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E)
None of these
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For which one of the following purpose the instrument shown in the figure below is used?
A)
Filtration
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B)
Diffusion
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C)
Decantation
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D)
Distillation
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E)
None of these
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Which one of the following process is used for separating iron from a mixture of iron and sulphur?
A)
Crystallization
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B)
Distillation
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C)
Magnetic separation
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D)
Sublimation
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E)
None of these
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Which one of the following property of metals shows that it can be beaten into thin sheets?
A)
Malleability
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B)
Expansion
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C)
Ductility
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D)
Conductivity
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E)
None of these
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What is the mass of a body, if the body falls is 1200 J?
A)
34.60 kg
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B)
24.50 kg
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C)
50.10 kg
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D)
32.50 kg
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E)
Botany
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What would be the resulting force, if two equal forces act on the body in opposite direction?
A)
Zero
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B)
One Joule
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C)
Double of force
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D)
All of these
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E)
None of these
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Consider the following statements: Statement 1: The amount of potential energy possess by an object when placed at a height depends on the mass of the object. Statement 2: The amount of potential energy possess by an object when placed at a height depends on the height of the object from the surface. Which one of the following options is correct about the above statements?
A)
Statement 1 is true and 2 is false
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B)
Statement 1 is false and 2 is true
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C)
Both statements are false
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D)
Both statements are true
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E)
None of these
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How much work is done if a force of 30 N is applied on a body at rest and body moves a distance of 4m?
A)
120 J
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B)
130 J
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C)
100 J
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D)
200 J
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E)
None of these
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Which one of the following is the standard unit for the measurement of time?
A)
Second
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B)
Minute
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C)
Hour
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D)
All of these
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E)
None of these
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If the speed, distance and time taken by a car is given then which one of the following is correct about the distance travelled by the car?
A)
\[\frac{\text{Speed}}{\text{Time}}\]
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B)
\[\frac{\text{Distance}}{\text{Time}}\]
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C)
\[\text{Speed }\!\!\times\!\!\text{ Time}\]
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D)
\[\text{Distance}\times \text{Time}\]
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E)
None of these
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Which one of the following is the graph of a non uniform speed?
A)
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B)
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C)
done
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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 shows the time on the sundial?
A)
Shadow casts by vertical blade
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B)
Shadow casts by sundial
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C)
Shadow casts by division on the sundial
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D)
All of these
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E)
None of these
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Consider the following statements: Statement 1: Water and minerals are transported in plants through xylem tissue. Statement 2: Food is transported in plants through phloem tissue. Which one of the following options is correct about the above statements?
A)
Statement 1 is true and 2 is false
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B)
Statement 1 is false and 2 is true
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C)
Both statements are true
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D)
Both statements are false
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E)
None of these
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Which one of the following products is made by the plant during the process of photosynthesis?
A)
\[C{{O}_{2}}\]
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B)
\[{{C}_{6}}{{H}_{12}}{{O}_{6}}\]
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C)
\[{{H}_{2}}O\]
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D)
\[H{{O}_{2}}\]
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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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Identify the plant in the figure given below:
A)
Mango Plant
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B)
Peepal
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C)
Pitcher Plant
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D)
Banyan Tree
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E)
None of these
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Amoeba feeds on which one of the following types of organism?
A)
Microscopic organism
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B)
Plants
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C)
Amoeba can eat big mammals
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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 organs covers largest area in the digestive system of a grass eating animal?
A)
Small intestine
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B)
Large intestine
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C)
Rumen
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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 parts of the digestive tract, digested food is absorbed by the blood vessels?
A)
Large intestine
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B)
Buccal cavity
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C)
Stomach
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D)
Small intestine
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E)
None of these
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Identify the organ in the figure given below which helps in digestion of food?
A)
Large intestine
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B)
Tung
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C)
Liver
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D)
Small intestine
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E)
None of these
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A machine (pulley) can lift a weight of 340 kg by applying a force of 280 kg. Find the mechanical advantage of the machine.
A)
1.2
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B)
1.8
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C)
3.4
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D)
2.6
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E)
None of these
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How much force is required to lift a bundle of wood if the mechanical advantage of the machine (pulley) is 22 and weight of the bundle is 1500 kg?
A)
78 kg
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B)
80 kg
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C)
68 kg
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D)
110 kg
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E)
None of these
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What is called the ratio of load to effort of a simple machine?
A)
Mechanical advantage
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B)
Velocity ratio
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C)
Efficiency
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D)
All of these
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E)
None of these
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What is the name of the simple machine that helps us to apply the effort in convenient direction?
A)
Pulley
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B)
Lever
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C)
Screw
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D)
All of these
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E)
None of these
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Consider the following statements: Statement 1: We should not bath in the first rain. Statement 2: We should bath in the first rain. Which one of the following options is correct about the above statements?
A)
Statement 1 is true and 2 is false
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B)
Statement 1 is false and 2 is true
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C)
Both statements are false
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D)
Both statements are true
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E)
None of these
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Burning of fossil fuels causes air pollution. Which one of the following fuels can be replaced by CNG?
A)
Petrol
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B)
Diesel
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C)
Uranium
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D)
Both A and B
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E)
None of these
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A type of animal hide themselves in holes and burrows and sleep to save themselves from extreme climatic conditions. Which one of the following terms signifies this?
A)
Ecosystem
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B)
Hibernation
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C)
Polar
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D)
Adaptation
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E)
None of these
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Presence of huge quantity of water vapor, methane, nitrous oxide and carbon dioxide in the atmosphere that 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)
Holes in the ozone layer
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D)
All of these
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E)
None of these
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Choose the correct one about the sheep.
A)
Carnivores
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B)
Omnivores
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C)
Herbivores
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D)
All of these
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E)
None of these
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Variety of silk depends upon which one of the following factors?
A)
Temperature at which eggs are stored
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B)
Types of silk processing in the factory
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C)
Types of silkmoth
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D)
All of these
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E)
None of these
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Air pollution causes the acid rain. Which one of the following causes the acid rain?
A)
\[{{H}_{2}}S{{O}_{4}}\]
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B)
\[C{{O}_{2}}\]
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C)
\[N{{O}_{2}}\]
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D)
\[{{O}_{2}}\]
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E)
None of these
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Which one of the following statements is true about the potable water?
A)
Potable water cannot be used for irrigation
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B)
Potable water cannot be used for dissolving chemicals
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C)
Potable water can be used for drinking
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D)
All of these
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E)
None of these
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The climate at a place is determined by the statistical observation of past weather data, recorded on day to day basis. What is the climate at a place if less rainfall is recorded throughout the year?
A)
Hot and wet
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B)
Hot and humid
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C)
Hot and dry
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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 causes the lightning in the sky?
A)
Motion of the clouds and water droplets
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B)
Air current and movement of water droplets
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C)
Slow and fast moving air
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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 the reason for causing the earthquakes?
A)
Movement of plates under the earth's crust
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B)
Movement on the upper part of the earth
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C)
Air current
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D)
Solar eclipse
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E)
None of these
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Which one of the following is the largest planet in the solar system?
A)
Jupiter
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B)
Venus
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C)
Earth
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D)
Neptune
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E)
None of these
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