Biology Questions प्रश्न और उत्तर का अभ्यास करें
8 4 4 8 4 8 4 12 4
प्र: Most fish do not sink in water because of the presence of swim bladder air bladder air sacs 2179 05c497bb985451c5d3308c072
5c497bb985451c5d3308c072- 1I and II are correcttrue
- 2II and III are correctfalse
- 3III and IV are correctfalse
- 4I, II, III and IV are correctfalse
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उत्तर : 1. "I and II are correct"
प्र: Photosynthesis generally takes place in which parts of the plant? 1444 05c497b5485451c5d3308c06d
5c497b5485451c5d3308c06d- 1Leaf and other chloroplast bearing partstrue
- 2stem and leaffalse
- 3Roots and chloroplast bearing partsfalse
- 4Bark and leaffalse
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उत्तर : 1. "Leaf and other chloroplast bearing parts"
प्र: Movement of cell against concentration gradient is the called 1374 05c497b21508f62543faa5956
5c497b21508f62543faa5956- 1osmoisifalse
- 2active transporttrue
- 3diffusionfalse
- 4passive transportfalse
- 5osmoisifalse
- 6active transporttrue
- 7diffusionfalse
- 8passive transportfalse
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उत्तर : 2. "active transport" 6. "active transport"
प्र: Plants receive their nutrients mainly from 2147 05c497ae985451c5d3308c063
5c497ae985451c5d3308c063- 1chlorophyllfalse
- 2atmospherefalse
- 3lightfalse
- 4soiltrue
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उत्तर : 4. "soil"
प्र: Pollination is best defined as to 1471 05c497ab585451c5d3308c05a
5c497ab585451c5d3308c05a- 1transfer of pollen from another to stigmatrue
- 2germination of pollen grainsfalse
- 3growth of pollen tube in ovulefalse
- 4visiting flowers by insectsfalse
- 5transfer of pollen from another to stigmatrue
- 6germination of pollen grainsfalse
- 7growth of pollen tube in ovulefalse
- 8visiting flowers by insectsfalse
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उत्तर : 1. "transfer of pollen from another to stigma" 5. "transfer of pollen from another to stigma"
प्र: 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 1371 05c497a3b85451c5d3308c055
5c497a3b85451c5d3308c055- 1angiospermsfalse
- 2gymnospermstrue
- 3monocotyledonsfalse
- 4dicotyledonsfalse
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उत्तर : 2. "gymnosperms"
प्र: Ozone hole refers to which 1371 05c49785a85451c5d3308c03c
5c49785a85451c5d3308c03c- 1hole in ozone layerfalse
- 2decrease in the ozone layer in tropospherefalse
- 3decrease in thickness of ozone layer in stratospheretrue
- 4increase in the thickness of ozone layer in tropospherefalse
- 5hole in ozone layerfalse
- 6decrease in the ozone layer in tropospherefalse
- 7decrease in thickness of ozone layer in stratospheretrue
- 8increase in the thickness of ozone layer in tropospherefalse
- 9hole in ozone layerfalse
- 10decrease in the ozone layer in tropospherefalse
- 11decrease in thickness of ozone layer in stratospheretrue
- 12increase in the thickness of ozone layer in tropospherefalse
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उत्तर : 3. "decrease in thickness of ozone layer in stratosphere" 7. "decrease in thickness of ozone layer in stratosphere" 11. "decrease in thickness of ozone layer in stratosphere"
प्र: Ordinary table salt is sodium chloride. What is baking soda? 2917 05c497561508f62543faa592a
5c497561508f62543faa592a- 1Potassium Chloridefalse
- 2Potassium carbonatefalse
- 3Potassium Hydroxidefalse
- 4Sodium bicarbonatetrue
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