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Why is oxygen necessary for complete oxidation of glucose?
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Label the human respiratory system in the following figure:
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Complete the paragraph using proper words:
(Opportunities, mental stress, outdoors, indoors, discrimination, molestation, different, family, threats, violence)
Competition has increased in ______ for education, employment and business due to increase in population. Children are facing the problems of loneliness and ______ due to reasons like nuclear family and parents staying ______ due to job. There are many bindings on girls and excessive freedom for boys in some families. Boys enjoy the concession from their domestic duties whereas girls have compulsion for the same on the pretext that 'should be used to it. Do you see the advertisements about increasing awareness on avoiding the ______ between girls and boys or sister and brother in the same family on choice for fresh/left-over food, learning medium? In society too, adolescent girls have to unnecessarily face the problems like teasing and ______. Girls are facing the problem of stress due to such gender inequality. Nowadays, everyone has to face stress due to ever increasing disorder, crime, and ______.
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Give scientific reason.
Fibers are one of the important nutrients.
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At the end of glycolysis, _____ molecules are obtained.
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Explain the following term:
Stem cells
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Suggest measures to minimize electricity consumption at home.
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What is ‘3R’ mantra?
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Write ‘3R’ mantra significance
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Explain the disadvantages of a large family size.
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State any four objectives of sustainable development.
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What is recycling of waste?
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Examples of recycling of waste.
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State two advantages of recycling.
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All animals and fungi are autotrophs.
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Population explosion is the root cause for depletion of natural resources. Explain.
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Distinguish between: Autotrophic nutrition and Heterotrophic nutrition.
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Answer the following question:
How can we save electrical energy in day to day life?
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How is the excessive use of communication media and ultramodern technology harmful?
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Give a scientific reason.
Why now-a-days, excessive, unnecessary and irrational use of modern technology and communication media is becoming a sensitive issue?
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