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