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