Ncert- science – class 7- Chapter 12 – Forests: Our Lifeline 1 Welcome to your Ncert- science – class 7- Chapter 12 – Forests: Our Lifeline 1 1. Which of the following is not prepared from the wood obtained from forest? Matchsticks Paper Plywood Thermocol None 2. Which among the following forest animals is the smallest? Fox Boar Bison Porcupine None 3. 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. Teak Sal Amla Fig None 4. The branchy part of a tree above the stem is known as humus crown canopy sapling None 5. Which of the following substance is not made of forest product? Chair Window Polythene Door None 6. Forests are not responsible for creating flood conditions. providing medicinal plants. maintaining the flow of water into the streams. absorbing rainwater and maintaining water table. None 7. Which one is not obtained from plants? Medicines Furniture Paper Petrol None 8. Pick the option which gives the names of a tree and an animal, respectively from the following. Sal, khair Semal, hornbill Neem, palash Chinkara, blue bull None 9. Which of the following has the strongest stem? A bush A tree A climber A creeper None 10. Mountains appear green due to Absence of plants Presence of plants Green coloured stone Lack of oxygen None 11. Plants convert CO2 into O22 during Transpiration Photosynthesis Respiration Translocation None 12. Which of the following is not the name of a tree? Teak Porcupine Sal Kachnar None 13. Which among the following is the correct sequence of food chain in a forest? Grass insects eagle frog snake Grass insects frog snake eagle Grass insects frog eagle snake Grass insects snake frog eagle None 14. Humus acts as a fertiliser soil replenisher manure Both soil replenisher and manure None 15. 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 plants birds animals Both birds and animals None 16. Process of eating and being eaten is called Food nature Food habit Food chain Food web None 17. Which of the following two are not involved in the pollination process? Flies and birds Beetles and bees Insects and birds Spiders and lizards None 18. Which of the products is not obtained from a forest? Gum Ginger Honey Catechu None 19. A carnivore occupies the last place in the food chain. After its death, which group of organisms feed on it? Herbivores Decomposers Autotrophs Omnivores None 20. Which of the following serve as green lungs Green pigment of the plants Greenhouse gases Forests Kitchen gardens 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.
