Ncert- science – class 7-Chapter 1 -Nutrition in Plants 2 Welcome to your Ncert- science - class 7-Chapter 1 -Nutrition in Plants 2 1. Which is the characteristic of heterotrophs? Organisms that cannot prepare their own food. Organisms that can provide energy to other organisms through food. Organisms that can store solar energy in food. Organisms that prepare their own food. None 2. Insectivorous plants are adopted to soils: Rich in water Deficient in nitrogenous compounds Deficient in trace elements Dificient in water None 3. The three basic components of any eukaryotic cell are Cell wall, vacuole and protoplasm Cell wall, plasma membrane and cytoplasm Cell wall, chloroplast and mitochondria Cell membrane, cytoplasm and nucleus None 4. Green plants can synthesize their own food. They are called 5. Pulses are rich in protein because of _____________ Rhizobium High requirement of nitrogen fertilizers. Green manuring Insectivorous habit None 6. is taken in through the tiny pores present on the surface of the leaves 7. How is the plant benefited by the bacteria which takes shelter in the root of the plants? The bacteria protects the plant from pathogens. The bacteria fixes the nitrogen for the plant. Both A and B None of the above None 8. Rhizobium is associated with Nitrogen fixation. Photosynthesis Carbon fixation. Respiration None 9. Natural system of classification employs All the above Organisation Complexity of body structure Complexity of cell structure None 10. Which one of the following conditions need not be present for photosynthesis to proceed? Oxygen Water Chlorophyll Light None 11. Guard cells are found in: Petals Stomata Stamen Ovary None 12. Which of these groups of words means the same thing? Autotrophs and consumers Autotrophs and producers Autotrophs and carnivore Heterotrophs and producers None 13. When an epidermal layer of a leaf is observed through a high-powered microscope, it shows that each stoma is surrounded by? A single guard cell. Many guard cells. A pair of guard cells. A pair of epidermal cells. None 14. Choose the correct statement with respect to symbiosis. All of the above In symbiotic relationship, organisms live together. In symbiotic relationship, organisms share shelter and nutrients. Lichen is an example of symbiosis None 15. Heterotrophs may be All of the above. Holozoic Parasitic Saprophytic None 16. Autotrophs can be differentiated from the heterotrophs in terms of the: Mode of obtaining food Nature of the cell, i.e. prokaryotic or eukaryotic Organization of the body or cell of that organism All of the above None 17. Nitrite is oxidised to nitrate with the help of Thiobacillus Nitrobacter Nitrococcus Nitrosomonas None 18. A typical cell contain which of the following main components? Cytoplasm Nucleus All of the above Cell membrane None 19. A symbiotic association of an alga and a fungus is termed as a: Coral Parasite Lichen Mycorrhiza None 20. Which of the following pairs is not used during the process of photosynthesis? Oxygen and glucose Light and chlorophyll CO2 and optimum temperature Water and minerals 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.
