Why is air called breath of life ? Enumerate functions of air or atmosphere.

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What is the organ that pumps blood all throughout the human body?

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How many germ layers are present in the embryo of a highly advanced animal?

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Longest skeletal muscle

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What are the genes ? Where are they located in the cell ?

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Roshan wants to build his muscles, so he decided to join a gymnasium. What changes should Roshan make in his diet to build strong muscles?

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A student sees a salamander and calls it a lizard. How will yuo explain to him that the two are different

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Which of the following organelle is called as the 'suicide bags' of the cell?

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Question 10 Solve the following crossword puzzle with the clues given: Across 2. Plantation prevents it. 5. Use should be banned to avoid soil pollution. 6. Type of soil used for making pottery. 7. Living organism in the soil. Down 1. In a desert, soil erosion occurs through. 3. Clay and loam are suitable for cereals like. 4. This type of soil can hold very little water. 5. Collective name for layers of soil

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How are winds produced ?

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Protochordata marks the evolution of a new type in the body structure. How?

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Which one single organism or a pair of organisms is correctly assigned to its or their named taxonomic group?

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Petioles of leaves are weakened by which hormone(s)?

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What are indigenous varieties of plants?

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The kind of cellular respiration which occurs in the presence of oxygen is known as ___.

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