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