Question: What are volcanoes? Answer: Cracks in the earth’s crust out of which molten magma comes out is called volcanoes. Question: Name three types of volcanoes? Answer: The three types of volcanoes are: Active Volcanoes Dormant Volcanoes Extinct Volcanoes Question: Give one example each of an active and an extinct volcanoes. …

Question: What are transparent materials? Give any two examples. Answer: Materials that allow all the light to pass through them are called transparent materials. Eg: clear glass and clean water. Question: What are translucent materials? Answer: Materials that allow some amount of light through them are called translucent materials. Question: …

With seven of its schools among India’s best 20, Tamil Nadu tops the list of states going by the best overall aggregates in class XII CBSE exams in 2015. The data, exclusively available with media, also reveals that Bengaluru houses five schools among the top 20. And it’s not that …

NCERT 7th Class (CBSE) Science: Fibre to Fabric – Quiz 24 Multiple Choice Questions related to NCERT 7th Class (CBSE) Science: Fibre to Fabric – Quiz: Rearing: The process of domestication and rearing of animals. Shearing: The process of removal of fleece from the body of animals. Reeling: The process of taking out …

Question: What are natural Fibres? Answer: The fibres obtained from plants and animals are called natural fibres. For example, cotton from cotton bolls, jute from jute plant, silk from cocoon of silkworm and wool from hair of animals like sheep or goat. Question: List five animals from which wool is obtained? …

Question: What do you understand by pollution? Answer: Harmful change mode in the environment due to human activities is called pollution. Question: Name the four kinds of pollution? Answer: The four kinds of pollution are: Air pollution Water pollution Land pollution Noise pollution Question: How does air pollution harm us? Answer: …

Question: Define Habitat and Adaptation. Answer: Habitat: The area where a particular animal naturally lives is called habitat. Adaptation: The changes in the feature or behavior of an organism that help it to survive in its habitat is called adaptation. Question: What does a habitat provide to an animal? Answer: …

NCERT 7th Class (CBSE) Science: Nutrition in Animals – Quiz 23 Multiple Choice Questions related to NCERT 7th Class (CBSE) Science: Nutrition in Animals – Quiz: Pseudopodia: Finger – like projections of the body of Amoeba. Food Vacuoles: Tiny pockets of water in a cell to store food, formed as …

Question: How does a frog catch its prey? Answer: The frog uses its long sticky tongue to catch insects. Frogs have well-developed digestive system in which food is digested with the help of digestive juices. Question: How does a spider digests its food? Answer: A spider weaves a sticky web in which …

Nutrition in Plants Quiz: NCERT 7th Class (CBSE) Science 28 Multiple Choice Questions related to NCERT 7th Class (CBSE) Science: Nutrition in Plants Quiz: Nutrition is the process by which plants and animals obtains nutrients from their food. Autotrophs are green plants / organisms that make their own food using raw …