Qualification > Sciences
CHEM AND BIO HELP AND TIPS HERE
Vin:
--- Quote from: diva_sparkles on June 07, 2010, 08:32:51 pm ---um... oct 2009 q 18
y is it B?
--- End quote ---
A- The person is resting as there is no change in the breathing rate.
B- He is exercising as increase in breathing rate.
C-HE has stopped exercising at this point so the body is coping up with the oxygen dept created therefore graph parallel to x-axis.
D- Recovered from O2 dept so rate slowly decreasing until original rate.
8T:
--- Quote from: ~!Intoxication!~ on June 07, 2010, 08:46:17 pm ---A- The person is resting as there is no change in the breathing rate.
B- He is exercising as increase in breathing rate.
C-HE has stopped exercising at this point so the body is coping up with the oxygen dept created therefore graph parallel to x-axis.
D- Recovered from O2 dept so rate slowly decreasing until original rate.
--- End quote ---
He aint talking about this varient so check 12 and pls answer :)
Oh & for the one u answered the answer is A look closely thts when the person started excersing as ur heart beat does not instantly or steeply on the graph increase but need time .
Hope I've been beneficial :D
diva_sparkles:
--- Quote from: SNA on June 07, 2010, 08:41:14 pm ---can you please state the question as i cant open 2009 papers on fep. :D
--- End quote ---
here q18 plz
Vin:
--- Quote from: 8T on June 07, 2010, 08:45:50 pm ---Hello once again .
Why is the answer B in O/N 09 q 5 p 12??
Remind me please of insect's characteristics?
--- End quote ---
Has 3 pairs of legs. Its a mosquito.
Insects - 3 pairs of (jointed) legs, body divided into head-thorax-abdomen, 2 pair of wings/antennae, Eg-housefly, beetle cockroach
Arachnids- 4 pairs of (jointed) legs, head and thorax fused- abdomen, lack wings and antennae, compound eyes Eg, Spider, scorpion
Crustacea- 1/2 pairs of legs, body divided into head-thorax-abdomen, chitinous exoskeleton. Eg. Crabs, lobsters.
Myriapods-Segmented body, many legs(usually 2 per segment), Obvi. not divided into head-thorax-abdomen. Eg. Centipede, millipede
Vin:
--- Quote from: 8T on June 07, 2010, 08:51:09 pm ---He aint talking about this varient so check 12 and pls answer :)
Oh & for the one u answered the answer is A look closely thts when the person started excersing as ur heart beat does not instantly or steeply on the graph increase but need time .
Hope I've been beneficial :D
--- End quote ---
Oh okay, I was wondering why the answer was B, thanks :)
Navigation
[0] Message Index
[#] Next page
[*] Previous page
Go to full version