In context of General Science, consider the following statements:
1. All fluids exert pressure on the base and walls of the container in which they are enclosed.
2. All objects experience a downward force of buoyancy when they are immersed in a fluid.
3. The magnitude of buoyancy force is independent of the density of the fluid in which the object is immersed.
Which of the statement(s) given above is/are correct?
More Questions Selected Just For You. Attempt Now!
In context of ‘Scrub Typhus’, which of the statements given below is/are correct?
1. It is a disease caused by a bacterium and it spreads to people through bites of infected chiggers.
2. Antibiotics are most effective form of medicine to cure this disease.
3. Recently, a special vaccine has been developed for its prevention by the Department of Biotechnology.
Select the correct answer using codes given below:
Weeds are unwanted plants in a cultivated field. In this context, consider the following statements:
1. The weeds compete for food, space and light.
2. Weeds are responsible for affecting the growth of the crop.
3. Timely sowing of crops and crop rotation help in weed control.
Which of the statement(s) given above is/are correct?
In the context of nature of light, read the following statements carefully:
1. Light does not travel in the same direction in all mediums.
2. Light propagates with different speeds in different mediums.
3. Light travels fastest in air with speed of 3×108 m/s.
4. Speed of light reduces considerably in glass or water.
Which of the statements given above is/are correct?
The twinkling of a star occurs due to atmospheric refraction of starlight. This twinkling phenomenon occurs only in stars and not in planets, it is because of which of the following reasons?
Consider the following statements:
1. The motion of the moon around the earth is due to the centrifugal force.
2. The moon rotates around its axis due to the gravitational pull of the earth.
Which of the statement(s) given above is/are NOT correct?
Consider the following statements about the ‘fuel obtained from plastic waste’:
1. It has low octane rating.
2. Lead content is absent in it.
3. It is known as green fuel.
Which of the statements given above is/are correct?
Consider the following statements:
1. Large air cavities are present underneath the skin of aquatic plants that help them in floating.
2. Chlorophyll is present underneath the skin of terrestrial plants and it helps them in manufacturing food.
Which of the statement(s) given above is/are NOT correct?
In context of General Science, consider the following statements:
1. All fluids exert pressure on the base and walls of the container in which they are enclosed.
2. All objects experience a downward force of buoyancy when they are immersed in a fluid.
3. The magnitude of buoyancy force is independent of the density of the fluid in which the object is immersed.
Which of the statement(s) given above is/are correct?
Consider the following statements:
1. The ‘danger’ signal lights are red in colour as the red is least scattered by fog or smoke.
2. The sky appears dark to passengers flying at very high altitudes because of scattering of light.
Which of the statements given above is/are correct?
Consider the following statements about pesticide residue in our food chain:
1. It is introduced in the food chain by aquatic plants and animals.
2. These chemicals get accumulated progressively at each trophic level.
3. Human body accumulates minimum concentration of these chemicals.
Select the correct answer using the code given below: