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