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Biology; Chemistry; Physics: Post your doubts here!

exploded diper

exploded diper

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***amd*** said:
7. but why would the leaf not respire maintaining CO2 concentration as normal?
17. it says "made of cells", that means it is not unicellular, it must be multicellular. so, shouldnt it be fungus?
31. why not C?
Click to expand...
31. It would not be c because this is helpful by preventing blood to clot it allows the plasmodium to enter the bloodstream...
17. During day rate of respiration is very low as compared to photosynthesis....
 
funky brat

funky brat

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***amd*** said:
7. but why would the leaf not respire maintaining CO2 concentration as normal?
17. it says "made of cells", that means it is not unicellular, it must be multicellular. so, shouldnt it be fungus?
31. why not C?
Click to expand...
The leaf would respire and give out CO2 as 2400. This makes the solution yellow, no photosynthesis occurs at this time. And it 1200 when light is available it carries out photo. and hence concentration decreases.
When it says made of cells, you should immediately know it can't be viruses. Apart from this for that fungi option, it says could not be bacteria why can't it be bacteria. Bacterium has DNA.
If blood clots how would he suck the blood and hence the purpose of mosquito would not be fullfilled making it an ineffective carrier.
 
exploded diper

exploded diper

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funky brat said:
The leaf would respire and give out CO2 as 2400. This makes the solution yellow, no photosynthesis occurs at this time. And it 1200 when light is available it carries out photo. and hence concentration decreases.
When it says made of cells, you should immediately know it can't be viruses. Apart from this for that fungi option, it says could not be bacteria why can't it be bacteria. Bacterium has DNA.
If blood clots how would he suck the blood and hence the purpose of mosquito would not be fullfilled making it an ineffective carrier.
Click to expand...
Bacteria has DNA so it goes in the first table....
Whereas virus does not ....its has RNA....fungi has many nucleus ......
Right?
 
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funky brat said:
The leaf would respire and give out CO2 as 2400. This makes the solution yellow, no photosynthesis occurs at this time. And it 1200 when light is available it carries out photo. and hence concentration decreases.
When it says made of cells, you should immediately know it can't be viruses. Apart from this for that fungi option, it says could not be bacteria why can't it be bacteria. Bacterium has DNA.
If blood clots how would he suck the blood and hence the purpose of mosquito would not be fullfilled making it an ineffective carrier.
Click to expand...
ok.
but it says "made of cells" that means it should be multicellular fungi, not a unicellular bacterium. coz there are more than 1 cells.
got it, thank you.
 
exploded diper

exploded diper

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exploded diper

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***amd*** said:
and what about the other part? Q2 c ii
Click to expand...
Magnesium will react more vigorusly with sulphuric acid
Bubbles will be seen in both ...but more in sulphuric acid...
Magnesium will dissolve in sulphuric acid...i think we can say tht but the question was only for two marks....and not much detail was needed....
Speed of reaction is faster in h2so4.....slower in ethanoic...
 
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exploded diper said:
Magnesium will react more vigorusly with sulphuric acid
Bubbles will be seen in both ...but more in sulphuric acid...
Magnesium will dissolve in sulphuric acid...i think we can say tht but the question was only for two marks....and not much detail was needed....
Speed of reaction is faster in h2so4.....slower in ethanoic...
Click to expand...
the only observation mentioned in ms is that Hydrogen gas will produce. can't we write "Mg will dissolve" as an observation?
 
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