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A. Choose the correct option. Orchids are commonly found in a. Tropical rainforests The type of forests that have very low temperatures, often below zero degrees b. Boreal forests Rock-like structures made…
Let Us Exercise 1. Choose the correct option. a. Which option correctly classifies a natural resource?i. Soil – Exhaustibleii. Natural gas – Inexhaustibleiii. Coal – Exhaustibleiv. Water – Exhaustible Answer: iii.…
1. Match the items in column 'A' with the proper ones in column 'B' and explain their impact on the environment. Harmful waste – c. Radioactive materialImpact: Causes long-term radiation damage to…
1. Complete the statements using the proper option from those given below. Explain the statements.(mycotoxins, budding, rhizobium) a. Yeast reproduces asexually by the budding method.Explanation: In budding, a small outgrowth (bud) forms on…
1. Complete the following table (Carefully study the carbon, oxygen, and nitrogen cycles). Bio-geochemical cyclesBiotic ProcessesAbiotic Processes1. Carbon cyclePhotosynthesis, respiration, decompositionCombustion, volcanic activity, diffusion in oceans2. Oxygen cycleRespiration, photosynthesisOxidation, ozone…
1. In many villages, people accuse women for giving birth to a girl child instead of a male child. Do you think they are scientifically correct? Answer. No, this belief…
1. Pranjal gets angry in every new situation. Which chemical is responsible for causing this emotion within her? Name the organ that releases the chemical. Answer. When Pranjal gets angry,…
1. Mayank found a slide in the laboratory without a label. When he viewed it under a microscope, he saw that it had cells with a thick cell wall and…
1. Palak says she saw real dinosaurs in a national park in America. Do you think she is speaking the truth? Why? Answer: No, Palak is not speaking the truth.…
1. Can white phosphorous be used as a fuel? Answer: No, white phosphorus is not suitable for use as a fuel.Although it burns easily in air at room temperature (undergoing…