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