In which of the following cases, a person is doing work in terms of science?
A Radhika is pushing against a stationary wall.
B Priya is sleeping.
C Meena is standing at bus stop waiting for her school bus.
D Gayatri is opening the main door of her house on hearing the door bell.
What is common between the fifth and eighth planet of our solar system?
1. They are made up of frozen gases.
2. They are made up of rocks and iron.
3. They are neither hot nor cold.
4. They are called interior planets or inner planets.
B2 and 3 only
C2, 3 and 4 only
D1, 3 and 4 only
A croton plant has colourful leaves. Which one of the following statements is true regarding the croton plant?
AIt can make food because it has yellow pigments in its leaves.
BIt can make food because its mature stems can perform photosynthesis.
CIt can make food because its leaves contain chlorophyll.
DIt is a parasitic plant and cannot make food, hence it obtains food from other green plants.
Names of four types of planet are hidden in the given puzzle. Solve the puzzle and
select the option which is NOT hidden in the puzzle.
A Smallest planet in the Solar System.
B Planet that takes about 365 days to revolve around the Sun.
C Largest planet in the Solar System.
D Third planet from the Sun.
How can third planet be Venus? Shouldn't it be Earth?
Soil is formed from rocks by the process of _______ that occurs due to effects of _______, _______, etc.
Select the option that will correctly complete the given sentence.
A Erosion, temperature, wind
B Erosion, microorganisms, water
C Weathering, erosion, pollution
D Weathering, water, wind
Which of the following statements are true for the Republic Day?
1.On 26th January 1947, India became a Republic.
2.India got a constitution a set of rules on the day.
3.On Republic Day, a parade is taken out on the Rajpath, in New Delhi.
4.The Prime Minister hoists the National flag at Red Fort, in Old Delhi.
A1, 2 and 3
B2 and 3
C2, 3 and 4
D1, 2, 3 and 4
Two equilateral prisms are arranged as shown in diagram.
If white light incident on prism X then
Statement 1 : The ray of light which emerges out of the prism Y will be white light.
Statement 2 : The refraction produced by the prism Y is equal and opposite to that produced by prism X.
A Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true but statement 2 is false.
D Statement 1 is false but statement 2 is true.