Short answer type questions Question 1. What do you understand by air pollution? Question 2. What are the causes of air pollution? Question 3. What are the harmful effects of air pollution? Question 4. Why the Taj Mahal of Agra is getting discoloured? Question 5. What is smog? What are the harmful effects of …
Short answer type questions Question 1. What are the changes that indicate that the person is no longer a child? Question 2. What do you understand by the term adolescence? Question 3. What is puberty? Question 4. List some changes that occur during puberty. Question 5. What is the name of the growing voice …
CLASS 8 Chapter 10 Reaching the age of Adolescence Read More »
Short answer type questions Question 1. Why reproduction is essential? Question 2. What are the different modes of reproduction? Question 3. What is sexual reproduction? Question 4. What are the male reproductive organs consisting of? Question 5. What is external fertilization? Question 6. What does fertilization mean? Question 7. What is a foetus? Question …
Short answer type questions Question 1. What do you understand by deforestation? Question 2. What could be a reason for drought? Question 3. What is desertification? Question 4. What is a biosphere reserve? Question 5. Write the name of two national parks and wildlife sanctuaries each. Question 6. Write the difference between a …
CLASS 8 Chapter 7 Conservation of Plants and Animals Read More »
Short Answer Type Questions What are the major groups of microorganisms? Name any two diseases caused by bacteria. Name any two diseases caused by algae. Name any two diseases caused by a virus. Name any two diseases caused by protozoa. Name any two diseases caused by fungi. How are viruses different from other microorganisms? Why …
CLASS 8 Chapter 2 Microorganisms: Friends and Foe Read More »
Short Answer Type Questions Explain how fertilisers are different from manure. What are Kharif crops? Give examples. What are Rabi crops? Give examples Discuss the method used to plough the field. Discuss the advantages and disadvantages of Manure. What is crop rotation? Discuss its advantages. What is irrigation? Why is it necessary? Give the …
IMPORTANT QUESTIONS CLASS 8 Chapter 1 Crop Production and Management Read More »
Question 1. What are the different ways in which water gets contaminated? Solution 1. Following are the different ways in which water gets contaminated: i)Industrial waste: Industries releases harmful chemicals into water sources. ii) Sewage waste: The waste materials released from the kitchen, laundry and toilets pollute water. iii) Agricultural chemicals: Rains and floods carry these harmful …
Question 1. Choose the correct answer. Sound can travel through (a) gases only (b) solids only (c) liquids only (d) solids, liquids, and gases Solution 1. (d) solids, liquids, and gases Question 2. Voice of which of the following is likely to have a minimum frequency? (a) Baby girl (b) Baby boy (c) A man …
Question 1. What is the term used for chemical secretions of endocrine glands responsible for changes taking place in the body? Solution 1. Hormones is the term used for chemical secretions of endocrine glands responsible for changes taking place in the body. Question 2. Define adolescence. Solution 2. The transition from adulthood to puberty is called …
CLASS 8 Chapter 10 Reaching the Age of Adolescence Read More »
Question 1. Explain the importance of reproduction in organisms. Solution 1. The following are the importance of reproduction in organisms: In this process living organisms give birth to their offspring. It helps in maintaining and increasing the population of the species. Reproduction is important for the survival of all living things. Question 2. Describe the …
