A body of mass 5 kg is moving with velocity of 4 m/s. Calculate kinetic energy possessed by the body.
A)
20 J
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B)
30 J
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C)
40 J
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D)
50 J
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E)
None of these
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Sita got wound while swimming. She wants to apply detol on her wound so she put few drops of detol in warm water. Drops of detol molecules spread there in the liquid. What is this process called?
A)
Dissolution
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B)
Mixing
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C)
Diffusion
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D)
All of these
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E)
None of these
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The area surrounding to a magnet upto which the magnetic force acts is called :
A)
Magnetic poles
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B)
Magnetic field
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C)
Magnetic lines
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D)
All of these
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E)
None of these
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Look at the following equation : \[CuS{{O}_{4}}+Zn\to ZnS{{O}_{4}}+Cu\]
The above equation is an example of which one of the following reaction?
A)
Combination reaction
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B)
Decomposition reaction
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C)
Displacement reaction
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D)
Double displacement reaction
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E)
None of these
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Calculate the pressure when a force of 60 N is exerted on an area of \[5\,\,{{m}^{2}}\]?
A)
10 pascals
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B)
12 pascals
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C)
16 pascals
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D)
20 pascals
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E)
None of these
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A)
(i)
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B)
(i) & (ii)
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C)
(ii)
done
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D)
(iii)
done
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E)
All of these
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Pawan: One light year is defined as the light travels the distance in one year. Prakash: One light year is equal to \[9.46\times {{10}^{12}}\,\,km\]
Who is correct?
A)
Both are correct
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B)
Both are incorrect
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C)
Pawan
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D)
Prakash
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E)
None of these
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In which one of the following states of water, the force of attraction between molecules is maximum?
A)
Solid
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B)
liquid
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C)
Gas
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D)
All of these
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E)
None of these
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Identify the organ given below:
A)
Heart
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B)
Brain
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C)
Liver
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D)
Kidney
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E)
None of these
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In which one of the following conditions, a body is said to be in the non uniform motion?
A)
If the body covers unequal distance in equal time interval.
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B)
If the body covers equal distance in equal time interval.
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C)
If the distance covered is independent of time.
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D)
Both A and C
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E)
None of these
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Roshan lost his apple in the playground while playing, what will happen to apple after a week?
A)
The apple will stay as it is.
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B)
It will not get mixed with soil
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C)
If it's a high quality apple, it will not get mixed with soil.
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D)
It will get mixed with soil.
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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 is the mass of the astronaut 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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Jenny set up 2 tanks. She placed three fishes in each tank but she put hydrilla (an aquatic plant) in tank A only. Jenny found that fishes swam freely in tank A but fishes in tank B swam near to the bottom water surface. Jenny concluded that hydrilla.
A)
Help to beautify the aquarium
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B)
Provide shade for the fishes
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C)
Are the main source of food for the fishes
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D)
Provide oxygen for the fishes to breathe.
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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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Aman uses a fixed pulley to draw out water from a well. Find the work done by Aman if mass of the bucket which is used to pull out water is 5 kg and Aman pulls the rope down by 2 m as shown in the given picture. (Take the value of \[g=9.8\,\,m/{{s}^{2}}\])
A)
180 J
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B)
100 J
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C)
200 J
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D)
98 J
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E)
None of these
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Gurpreet found a plant in the garden. The plant has short, thin, soft and green stem. The plant is_______.
A)
A herb
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B)
A shrub
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C)
A tree
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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)
Mouth
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C)
Skin
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D)
Nose
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E)
All of these
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A small plant with roots and leaves is placed in a beaker of red-coloured water. After a day, it is observed that the leaves had turned red. What does this show?
A)
The leaves do not play any role in making the food for the plant.
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B)
The leaves carry water to the plant.
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C)
The water from the roots is carried to the leaves.
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D)
Absence of photosynthesis process.
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E)
None of these
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Sameer's sister bought a plant. But the plant needs support so that it can stand upright. The plant is a_______.
A)
Herb
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B)
Shrub
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C)
Tree
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D)
Climber
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E)
All of these
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The presence of starch in a food can be tested by using the dilute iodine solution as iodine produces ______ colour on combination with starch.
A)
Black
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B)
Brown
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C)
Blue - black
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D)
yellow-black
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E)
All of these
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A body moves along the path PQR as shown in the picture below. What is the displacement by the body?
A)
PR
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B)
a
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C)
2a
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D)
ax a
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E)
All of these
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Our diet contains carbohydrates, proteins and other nutrients required by our body. In the case of depletion of carbohydrates our body draws the same from _______.
A)
Fibre
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B)
Protein
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C)
Fats
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D)
Vitamins
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E)
None of these
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A bowl containing solution of sugar and water is kept in the Sun in the morning. At the end of day all water is evaporated but________.
A)
Bowl is broken
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B)
Some drops of water are still there
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C)
Sugar is left behind
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D)
Water is heated
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E)
All of these
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Which one of the following is the primary effect of UV radiation caused due to depletion of ozone layer?
A)
Heart attack
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B)
Skin cancer
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C)
High fever
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D)
All of these
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E)
All of these
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Name the root system in the figure below.
A)
Fibrous root
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B)
Tap root
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C)
Both A and B
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D)
Aerial prop root
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E)
None of these
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Which one of the following joints allow the movement of bones in only one direction, forwards and backwards?
A)
Hinge joint
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B)
Pivot joint
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C)
Fixed joint
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D)
Ball and socket joint
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E)
None of these
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A solution in which no more substance can be dissolved at that temperature is called_______.
A)
Mixed solution
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B)
Unsaturated solution
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C)
Saturated solution
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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 female part of the flower?
A)
Pistil
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B)
Sepals
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C)
Petals
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D)
Stamen
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E)
None of these
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Name the habitats which is very cold region of terrestrial habitat covered by snow throughout the year.
A)
Grass land habitat
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B)
Mountainous habitat
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C)
Tundra habitat
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D)
All of these
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E)
None of these
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Match the following:
1 Water (A) Translucent 2 Frosted glass (B) Transparent 3 Book (C) Opaque
A)
1 - C, 2 - B, 3 - A
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B)
1 - B, 2 - E, 3 - A
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C)
1 - A, 2 - B, 3 - C
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D)
1 - B, 2 - A, 3 - C
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E)
None of these
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Name the process of converting the biodegradable waste into manure using microorganisms present in the soil.
A)
omposting
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B)
Manuring
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C)
Recycling
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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 belongs to the biotic components of the environment?
A)
Producers
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B)
Consumers
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C)
Decomposers
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D)
All of these
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E)
None of these
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Sneha performs an experiment. She takes an empty mug and place it on the table. She fills mug with water upto the level. Now, she ties a string around a stone and try to put the stone into the mug, she notices that the water in the mug over flows. Why does this happen?
A)
Because matter diffuses in liquid
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B)
Because force applied by water on the stone
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C)
Because matter occupies space
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D)
Because stone has no mass
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E)
None of these
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Which one of the following is immiscible liquid in vinegar?
A)
Oil
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B)
Water
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C)
Liquid oxygen
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D)
All of these
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E)
None of these
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Read the following satements : Statement 1: Sublimation is a process in which solid vaporizes directly into the gaseous state on heating. Statement 2: Distillation = Evaporation + Condensation. Which one of the following is correct with respect to 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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_______changes are those changes during which heat is given out.
A)
Exothermic
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B)
Endothermic
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C)
Physical
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D)
All of these
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E)
None of these
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Name the instrument given in the picture below.
A)
pH scale
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B)
Vernier calipers
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C)
Graduated cylinder
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D)
All of these
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E)
None of these
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Volumes of liquids are usually measured in a unit called litre, what would be the value of 1 ml in cubic centimetre? (1L = 1000 ml)
A)
\[2\,\,c{{m}^{3}}\]
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B)
\[1.04\,\,c{{m}^{3}}\]
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C)
\[1\,\,c{{m}^{3}}\]
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D)
\[0.1\,\,c{{m}^{3}}\]
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E)
None of these
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Which one of the following types of plants live in dry climates and survive on a minimum amount of water. They have long roots and bear thin and spiny leaves to reduce evaporation?
A)
Xerophytes
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B)
Mesophytes
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C)
Hydrophytes
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D)
All of these
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E)
None of these
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A ball is thrown upwards as shown in the picture below.
What will be the energy possesses by the ball when it comes down at the point marked by X?
A)
Only kinetic energy
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B)
Only potential energy
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C)
Both kinetic and potential energy
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D)
All of these
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E)
None of these
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