question_answer1) Presence of huge quantity of water vapor, methane, nitrous oxide and carbon dioxide in the atmosphere that reflect back heat on to the earth surface produces which one of the following?
question_answer2) A population of plants and animals which live in a particular area and use the resources is called which one of the following types of system?
question_answer3) Which one of the following is a biotic component of the environment?
question_answer4) Consider the following statements: Statement 1: Concentration of carbon dioxide in the air of our environment is continuously increasing. Statement 2: Concentration of carbon dioxide in our environment is continuously decreasing. Which one of the following is correct about the above statements?
question_answer5) Choose the correct one which is a consequence of global warming.
question_answer6) Air is the mixture of different gases. Which one of the following gases is highly concentrated in the air of our environment?
question_answer7) Which one of the following is the primary effect of UV radiation caused due to depletion of ozone layer?
question_answer8) Plants are capable to make their own food due to which one of the following main features?
question_answer9) Decomposers play an important role to keep our environment clean. Which one of the following cannot be decomposed by the decomposers easily?
question_answer10) Identify the secondary consumer from the options below.
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