| | | | | | MCQ Tutorial - General Knowledge->Biology | | | | | | 1.) Ordinary table salt is sodium chloride. What is baking soda?
| | | | Options are: | | | A.) Potassium carbonate
| | | B.) Sodium bicarbonate
| | | C.) Potassium chloride
| | | D.) Potassium hydroxide
| | | | Correct Option: B | | | | | | | | | | | 2.) Ozone hole refers to
| | | | Options are: | | | A.) Hole in ozone layer
| | | B.) Decrease in thickness of ozone layer in stratosphere
| | | C.) Increase in the thickness of ozone layer in troposphere
| | | D.) Decrease in the ozone layer in troposphere
| | | | Correct Option: B | | | | | | | | | | 3.) Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several
also occur widely in the hilly regions of India. All these belong to
| | | | Options are: | | | A.) Gymnosperms
| | | B.) Monocotyledons
| | | C.) Dicotyledons
| | | D.) Angiosperms
| | | | Correct Option: A | | | | | | | | | | | 4.) Pollination is best defined as
| | | | Options are: | | | A.) Visiting flowers by insects
| | | B.) Growth of pollen tube in ovule
| | | C.) Transfer of pollen from anther to stigma
| | | D.) Germination of pollen grains
| | | | Correct Option: C | | | | | | | | | | 5.) Plants receive their nutrients mainly from
| | | | Options are: | | | A.) Soil
| | | B.) Light
| | | C.) Chlorophyll
| | | D.) Atmosphere
| | | | Correct Option: C | | | | | | | | |
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