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Tag Archives: Free Class 7 Science Solutions

NCERT 7th Class (CBSE) Science: Forests: Our Lifeline

Equatorial Forest Region

Question: Define the following terms: Primary Consumers, Secondary Consumers, Scavengers, Dispersal of seeds, Global Warming. Answer: Definitions are as under: Primary Consumers: The primary consumer is the living organism that eats the producers, which are the plants. This means that all organisms that are classified as herbivores, also called plant-eaters, fall into the category of primary …

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NCERT 7th Class (CBSE) Science: Wastewater Management

Water

Question: What is waste water? How it is produced? Schematically represent the process of waste water treatment. Answer: The used water that comes into drains from bathroom, toilets and kitchen. The process is: The waste water sewage reaches through domestic sewerage’s. Bar screens are used to remove large substances like cans …

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NCERT 7th Class (CBSE) Science: Respiration in Organism

Respiration in organism

Question: What do you mean by ‘stomata’ apparatus? Answer: Stomata apparatus means stomata along with nearby guard cells and other cells. Question: What are the main organs of the respiratory system? Answer: Main organs that help in respiration are : Nostrils (The passages in the nose) Trachea (Windpipe) Bronchi Lungs Question: …

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