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Showing: All Grades / Science (1553 questions)
The process of rearing of silkworm for obtaining silk is called ________.
How does the food chain differ in a desert ecosystem compared to a rainforest ecosystem?
What are the different trophic levels in a grassland food chain?
What is the significance of the predator-prey relationship in an ecosystem?
In the food chain: Grass → Elephant → Lion Which of the following is a primary consumer?
An object in motion has _____ energy and a stretched spring has _____ energy.
Which of the following is correct example for dispersal of seeds by water?
Hydrogen is a gas. Oxygen is a gas. When combined they make _____.
Which electromagnetic wave has shorter wavelength and higher frequency than violet color light?
Which of the following can be one of the reasons for flooding?
The tides seen in sea is because of gravitational pulls of _______ and _______.