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17. Forests: Our Lifeline Science class 7 in English Medium ncert book solutions topic -4
17. Forests: Our Lifeline topic -4 – Complete NCERT Book Solutions for Class 7 Science (English Medium). Get all chapter explanations, extra questions, solved examples and additional practice questions for 17. Forests: Our Lifeline topic -4 to help you master concepts and score higher.
17. Forests: Our Lifeline Science class 7 in English Medium ncert book solutions topic -4
NCERT Solutions for Class 7 Science play an important role in helping students understand the concepts of the chapter 17. Forests: Our Lifeline clearly. This chapter includes the topic topic -4, which is essential from both academic and examination point of view. The solutions provided here are prepared strictly according to the latest NCERT syllabus and follow the guidelines of CBSE to ensure accuracy and relevance. Each question is explained in a simple and student-friendly manner so that learners can grasp the concepts without confusion. These NCERT Solutions are useful for regular study, homework help, and exam preparation. All textbook questions are solved step by step to improve problem-solving skills and conceptual clarity. Students of Class 7 studying Science can use these solutions to revise important topics, understand difficult questions, and practise effectively before examinations. The chapter 17. Forests: Our Lifeline is explained in a structured way, making it easier for students to connect the theory with the topic topic -4. By studying these updated NCERT Solutions for Class 7 Science, students can build a strong foundation, boost their confidence, and score better marks in school and board exams.
17. Forests: Our Lifeline
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.