Ncert- science – class 7- Chapter 12 – Forests: Our Lifeline 1 Welcome to your Ncert- science – class 7- Chapter 12 – Forests: Our Lifeline 1 1. Boojho visited a forest near his town with his classmates and his teacher. As they were entering the forest, their class teacher told them not to make a noise in the forest as noise could disturb the birds animals plants Both birds and animals None 2. Which of the following has the strongest stem? A creeper A tree A climber A bush None 3. Forests are not responsible for providing medicinal plants. absorbing rainwater and maintaining water table. maintaining the flow of water into the streams. creating flood conditions. None 4. Which of the following substance is not made of forest product? Chair Door Polythene Window None 5. Rishi observed a tall tree in the forest bearing small green coloured fruits. His mother told him that these fruits are rich in vitamin C and are sour in taste. They are used to cure diseases like scurvy. Identify the tree. Amla Teak Sal Fig None 6. Which of the following is not prepared from the wood obtained from forest? Plywood Matchsticks Thermocol Paper None 7. A carnivore occupies the last place in the food chain. After its death, which group of organisms feed on it? Decomposers Omnivores Herbivores Autotrophs None 8. Plants convert CO2 into O22 during Translocation Transpiration Respiration Photosynthesis None 9. Humus acts as a manure soil replenisher Both soil replenisher and manure fertiliser None 10. Which among the following is the correct sequence of food chain in a forest? Grass insects frog snake eagle Grass insects snake frog eagle Grass insects frog eagle snake Grass insects eagle frog snake None 11. Mountains appear green due to Green coloured stone Presence of plants Lack of oxygen Absence of plants None 12. Which of the following serve as green lungs Greenhouse gases Green pigment of the plants Kitchen gardens Forests None 13. Pick the option which gives the names of a tree and an animal, respectively from the following. Semal, hornbill Neem, palash Chinkara, blue bull Sal, khair None 14. Which of the following is not the name of a tree? Sal Teak Porcupine Kachnar None 15. Which one is not obtained from plants? Furniture Petrol Medicines Paper None 16. Process of eating and being eaten is called Food habit Food chain Food nature Food web None 17. Which among the following forest animals is the smallest? Fox Bison Porcupine Boar None 18. Which of the following two are not involved in the pollination process? Flies and birds Insects and birds Beetles and bees Spiders and lizards None 19. The branchy part of a tree above the stem is known as humus crown canopy sapling None 20. Which of the products is not obtained from a forest? Gum Honey Ginger Catechu None Time's up Please Share This Share this content Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Leave a Reply Cancel replyCommentEnter your name or username to commentEnter your email address to commentEnter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.
