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