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Biology MCQ thread..!!

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mrpaudel said:
goldi bodies...as goldi bodies manufactures lysosome..

ya even i think golgi bodies make enzymes but c in ON 2007 question 2. there is question related to this.
 
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What proportion of the stored chemical energy in grass is converted into new tissues by a growing cow?
A between 0.02% and 2%
B between 0.2% and 2%
C between 2% and 20%
D between 20% and 50%

explain to me dix???
 
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is it B?? i dont have xplaination...but i think i have read 1% will transfer from one trophic level to other..!!
 
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arsimme said:
mrpaudel said:
goldi bodies...as goldi bodies manufactures lysosome..

ya even i think golgi bodies make enzymes but c in ON 2007 question 2. there is question related to this.



oh yeah..!!the ribosome on Rough ER manufactures enzymes..which are proteins...which diffused into the vesicles..i guess..yeah..!! ms is correct
 
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mrpaudel said:
arsimme said:
mrpaudel said:
goldi bodies...as goldi bodies manufactures lysosome..

ya even i think golgi bodies make enzymes but c in ON 2007 question 2. there is question related to this.



oh yeah..!!the ribosome on Rough ER manufactures enzymes..which are proteins...which diffused into the vesicles..i guess..yeah..!! ms is correct

hmm ya its bit confusing but wen can we know weather its rough ER or golgi bodies
 
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To b precise, rougn ER makes enzymes and transports...whereas goldi bodies packs those enzymes made in Rough ER!!
 
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A farmer wants to encourage the beneficial bacterial reactions involved in the nitrogen cycle in wheat fields?
A adding artificial nitrate fertiliser
B draining waterlogged fields
C growing the same crop every year
D irrigating fields

dix?
 
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i have no idea at al..!! i hate that chapter..!! n dont know much bout it..!! anyway...the earlier one is B??
 
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sweetiepie said:
A farmer wants to encourage the beneficial bacterial reactions involved in the nitrogen cycle in wheat fields?
A adding artificial nitrate fertiliser
B draining waterlogged fields
C growing the same crop every year
D irrigating fields

dix?

i think its B
 
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sweetiepie said:
A farmer wants to encourage the beneficial bacterial reactions involved in the nitrogen cycle in wheat fields?
A adding artificial nitrate fertiliser
B draining waterlogged fields
C growing the same crop every year
D irrigating fields

dix?

A
 
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mrpaudel said:
zxc1230 said:
Which statement describes a cell that is capable of reproduction and belonging to a haploid
organism?
A It has chromosomes that contain one polynucleotide chain.
B It is capable of carrying out a reduction division to form gametes.
C It possesses two copies of each gene as a result of fertilisation.
D It will undergo cell division by mitosis during asexual reproduction


i think its D

yes it's D.. can you please explain? :)
 
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there's no xplaination...B and C are incorrect..so between A n D...and m not sure bout A...feels like its D..so!!
 
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I want to know the standard threshold for bio paper 1 ?? To get an A ??????
 
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