17. Forests: Our Lifeline Class 7 Science [LATEST] Solutions topic -4 in English - CBSE Study
NCERT Solutions for Class 7 Science are carefully prepared according to the latest CBSE syllabus and NCERT textbooks to help students understand every concept clearly. These solutions cover all important 17. Forests: Our Lifeline with detailed explanations and step-by-step answers for better exam preparation. Each topic -4 is explained in simple language so that students can easily grasp the fundamentals and improve their academic performance. The study material is designed to support daily homework, revision practice, and final exam preparation for Class 7 students. With accurate answers, concept clarity, and structured content, these NCERT solutions help learners build confidence and score higher marks in their examinations. Whether you are revising a specific topic or preparing an entire chapter, this resource provides reliable and syllabus-based guidance for complete success in Science.
Class 7 English Medium Science All Chapters:
17. Forests: Our Lifeline
4. topic -4
Additional Question with solution:
Que: List some animals which live in deeper areas of the forest.
Ans: Boars, bisons, jackals, porcupines, elephants, etc. live in the deeper areas of the forest.
Que: Paheli while moving in a forest observed that there was no noise pollution, through lots of heavy vehicles were passing from the nearby highway. Explain why.
Ans: Paheli observed that there is noise pollution in a forest even though there are lots of heavy vehicles were passing from the nearby highway. It is because trees present in the forest absorb the noise.
Que: Give the reason behind variations found in the forests of different regions.
Ans: The variation in the type of plants and animals is found in different forest because of the climatic conditions of that particular area.
Que: Are there similar kind of trees in every forests?
Ans: No, due to different climatic conditions, there are variations in the types of trees and other plants. From forest to forest.
Que: State the consequence when one food chain is distured in an ecosystem.
Ans: Since, all food chains are interlinked disturbance in one food chain will affect the other food chain in a forest.
Que: What is a canopy?
Ans: The uppermost branches and leaves of tall trees act like a root over forest ground, this is called a canopy.
Que: While going inside a forest, it becomes darker. Why?
Ans: In a forest, big trees, shrubs and other plants are found. They trap solar radiation for photosynthesis.
So, the sunlight does not reach at the forest floor, thus making it dark.
Que: A bunch of seedling were seen sprouting on a heap of animal dropping in a forest. How do you think is the seeding benefited from the animal dung?
Ans: The seeding was being benefited from the animal dung as the decaying animal dung provided nutrients to the growing seeding.
Que: forest are called green lungs. Why?
Ans: The forest provide us oxygen to breathe. If we rapidly cutting down forests means we are cutting down the oxygen supply to us. that is why are called green lungs.
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