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