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22) Pulmonary artery does carry oxygen but that doesn't mean that it has 0% oxygen.AsSalamoAlaikum Wr Wb!
got another doubt in Q:22 [Ans.B]
Q:23 [can someone explain such types of graphs...really confusing...]
http://www.xtremepapers.com/papers/CIE/Cambridge International A and AS Level/Biology (9700)/9700_s03_qp_1.pdf
So ans is B.
Roughly 1/10 energy is passed from one trophic level to the next.
It's almost the same question...except that they mentionsed the time...the explanation is the same...u can refer to that explanation...i tried...it worked..alhumdulilahhey see Q.30 of the following ppr...its similar to the 4th doubt...bt little different...can u pls explain dis Question as well..
here'z the link:- http://www.xtremepapers.com/papers/CIE/Cambridge International A and AS Level/Biology (9700)/9700_w02_qp_1.pdf
thnx!
26) I don't get it myself. I need to revise this chapter ASAP.
13) Competitive ihibition so if more substrate then faster reaction as higher chance of substrate colliding with enzyme than inhibitor with enzyme.
anyone out there with a june or november 01 paper!
Do you have june 2002?
Sorry for the question in exchange for your question.
I dont get why the ans is C. I think it's D cos all male bees should be genetically identical
it is c! because meosis division is taking place and not mitosis since haploid no. is involved. and hence all male bees are
In 26th question , When arterial pressure and blood flow decrease beyond a certain point, the perfusion of the brain becomes critically decreased (i.e., the blood supply is not sufficient) and there would be an increase in [CO2] which would cause a decrease in [O2] ... When such condition prevails , a rise in the the volume of blood being pumped by the heart would be noticed hence causing cause the greatest rise in cardiac output
View attachment 12694 is the answer A?
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