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