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Recent questions tagged cbsc

All the plants and animals in an area area interdependent and interrelated to each other in their physical environment. What is the name given to this interrelationship and interdependence?

asked Nov 2, 2017 by priyanka.c

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A screw is made up of ________ wrapped around a post or rod.

asked Nov 2, 2017 by priyanka.c

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Taj Mahal is said to be suffering from 'Marble Cancer'. What is Marble Cancer?

asked Nov 2, 2017 by priyanka.c

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What can draught cause?

asked Nov 2, 2017 by priyanka.c

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Which among the following is the longest migrator on planet?

asked Nov 2, 2017 by priyanka.c

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Farmers store grains in a large scale in godown silos called

asked Nov 2, 2017 by priyanka.c

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What are all living things composed of?

asked Nov 2, 2017 by priyanka.c

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Which of the following come under the category of mine?

asked Nov 2, 2017 by priyanka.c

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Why are adulterants added?

asked Nov 2, 2017 by priyanka.c

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What did Chandrayaan-1 which was launched in 2008 found out about mon?

asked Nov 2, 2017 by priyanka.c

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What are the four types of soil erosion due to rainfall?

asked Nov 1, 2017 by priyanka.c

1 answer

Work is

asked Nov 1, 2017 by priyanka.c

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Which of the following can control pollution?

asked Nov 1, 2017 by priyanka.c

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Which volcanic feature is the deadliest ?

asked Nov 1, 2017 by priyanka.c

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Which among the following insect makes the greatest and longest migration among any members of insects in the world

asked Nov 1, 2017 by priyanka.c

1 answer

___________ is not used to protect grains from microbes

asked Nov 1, 2017 by priyanka.c

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What is the smallest unit of structure and function in living things?

asked Nov 1, 2017 by priyanka.c

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Which of the following is non-foliated metamorphic rocks?

asked Nov 1, 2017 by priyanka.c

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A substance intentionally added that affects the nature and quality of food is called ________

asked Nov 1, 2017 by priyanka.c

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What are light colored region of moon are called as ?

asked Nov 1, 2017 by priyanka.c

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How does 'no till farming' help in soil conservation?

asked Nov 1, 2017 by priyanka.c

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Which is not a type of simple machine ?

asked Nov 1, 2017 by priyanka.c

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What causes acid rain?

asked Nov 1, 2017 by priyanka.c

1 answer

What is the lifespan of female mosquito ?

asked Nov 1, 2017 by priyanka.c

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How many ovaries are there in mammalian female reproductive system ?

asked Nov 1, 2017 by priyanka.c

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The practice of growing a cereal crop and pulse crop alternately in the same field is successive season is called

asked Nov 1, 2017 by priyanka.c

1 answer

An organism that is only cell big is called

asked Nov 1, 2017 by priyanka.c

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When does pressure mechanism occurs ?

asked Nov 1, 2017 by priyanka.c

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Which of the following helps in formation of collagen, healing wounds, protects immune system?

asked Nov 1, 2017 by priyanka.c

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What is the radius of moon's core?

asked Nov 1, 2017 by priyanka.c

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Which among the following cover crops are rotated with cash crops and act as green manure that replenishes nitrogen and other critical nutrients.

asked Nov 1, 2017 by priyanka.c

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What type of simple machine is found on the floor of a bathtub?

asked Nov 1, 2017 by priyanka.c

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What can reduce the amount of sunlight received by plants to carry out photosynthesis and leads to the production of tropospheric ozone which damages plants?

asked Nov 1, 2017 by priyanka.c

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What might directly occur when there is a powerful whirling wind with pouring rains and strong winds and an eye at the centre of it which has clear skies and calm air?

asked Nov 1, 2017 by priyanka.c

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In birds fertilization takes place in

asked Nov 1, 2017 by priyanka.c

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Grains are separated from stalks by a process called

asked Nov 1, 2017 by priyanka.c

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Which of the following is NOT stimulus that a living thing might sense and respond to?

asked Nov 1, 2017 by priyanka.c

1 answer

Which line of the graph represents the greatest speed?

asked Nov 1, 2017 by priyanka.c

1 answer

Bats catch the prey by using the technique of

asked Nov 1, 2017 by priyanka.c

1 answer

Read the passage below and answer the question <br><br> Sound waves are longitudinal waves, which means they vibrate in the same direction as the direction of travel. Sound waves can only travel through solids, liquids or gases. A good model of sound waves is a spring. The section of waves when they are pushed together are areas of compressions and when the particles are far apart the areas are called rarefactions. Sound waves can be reflected, refracted and diffracted. <br><br> The hearing range of Human ear is 20Hz to 20KHz. Sounds with frequencies below 20Hz are called Infrasound and sound waves with frequencies above 20KHz are called Ultra sound. These waves have a wide applications in various fields like industry, medicine, agriculture etc; Speed of the sound can be calculated by the equation speed of sound = distance / time. <br><br> QUESTION : Similarities between light and sound waves are

asked Nov 1, 2017 by priyanka.c

1 answer

Read the passage below and answer the question <br><br> Sound waves are longitudinal waves, which means they vibrate in the same direction as the direction of travel. Sound waves can only travel through solids, liquids or gases. A good model of sound waves is a spring. The section of waves when they are pushed together are areas of compressions and when the particles are far apart the areas are called rarefactions. Sound waves can be reflected, refracted and diffracted.<br><br> The hearing range of Human ear is 20Hz to 20KHz. Sounds with frequencies below 20Hz are called Infrasound and sound waves with frequencies above 20KHz are called Ultra sound. These waves have a wide applications in various fields like industry, medicine, agriculture etc; Speed of the sound can be calculated by the equation speed of sound = distance / time. <br><br> QUESTION : Sound waves are longitudinal waves because

asked Nov 1, 2017 by priyanka.c

1 answer

Sound waves travel fastest through

asked Nov 1, 2017 by priyanka.c

1 answer

How much energy is transferred by a 50W lamp in 5 s?

asked Nov 1, 2017 by priyanka.c

1 answer

What is the gravitational field strength of the Moon?

asked Nov 1, 2017 by priyanka.c

1 answer

What is the momentum of a 50 kg object moving at 30 km/hr?

asked Nov 1, 2017 by priyanka.c

1 answer

Which of the following is not a safety feature of a car to absorb momentum

asked Nov 1, 2017 by priyanka.c

1 answer

A 50kg object is moving with a speed of 20m/s. How much force is needed to stop it in 5s?

asked Nov 1, 2017 by priyanka.c

1 answer

Which of the statements is not true? <br> 1. when a car moves along the road with a constant speed, the net force acting on the car is zero <br> 2. linear momentum is the product of mass and acceleration <br> 3. A body at rest continues to be at rest and a body in uniform motion continues to move <br> 4. The flight of rockets is in accordance with Newton's third law of motion

asked Nov 1, 2017 by priyanka.c

1 answer

What will happen to a car, if its resultant force is acting along the direction of its motion?

asked Nov 1, 2017 by priyanka.c

1 answer

The resultant force is a force

asked Nov 1, 2017 by priyanka.c

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