Q. If by an unknown accident the acid secreting cells of the stomach wall of an individual are damaged, digestion of which one of the following biomolecule will be affected to a greater extent ?
1) Protein only
2) Lipid
3) Carbohydrate only
4) Protein and Carbohydrate
Q. Who among the following first discovered cell ?
1) Robert Brown
2) Robert Hooke
3) Leeuwenhoek
4) Rudolf Virchow
Q. In human system, insulin controls the metabolism of -
1) fats
2) carbohydrates
3) proteins
4) nucleic acids
Q. Which of the following is mostly carbohydrate?
1) Wheat
2) Barley
3) Rice
4) Maize
Q. Medicine of quinine is produced by -
1) eucalyptus plant
2) aconite plant
3) cinchona plant
4) money plant
Q. When trees are cut amount of oxygen?
1) decreases
2) increases
3) both (1) and (2)
4) remains same
Q. Process through which plants reproduce -
1) eating
2) evaporation
3) pollination
4) condensation
Q. A natural phenomenon that becomes harmful due to pollution is -
1) global warming
2) ecological balance
3) greenhouse effect
4) desertification
Q. The pollutant responsible for ozone holes is -
1) CO2
2) SO2
3) CO
4) CFC
Q. One of the best solutions to get rid of non-biodegradable wastes is -
1) burning
2) dumping
3) burying
4) recycling
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