Qualification > Sciences

[IMPORTANT]20/5/2010 Biology Paper 6

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Vin:

--- Quote from: Ivo on May 19, 2010, 11:17:22 pm ---Are you sure, some said it's red some said blue!

Also, what is bubble method?

https://studentforums.biz/index.php/topic,7969.msg211967.html#msg211967

--- End quote ---

view the bottom last part of the first image

bubble method means many things .. wat do u want specifically ??

Ivo:

--- Quote from: ~VIN1094~ on May 19, 2010, 11:21:14 pm ---view the bottom last part of the first image

bubble method means many things .. wat do u want specifically ??


--- End quote ---

Please see the link:

Here was the question from the past paper:

https://studentforums.biz/index.php/topic,7969.msg211977.html#msg211977

(sry wrong link before, this is the right one!)

Vin:

--- Quote from: Ivo on May 19, 2010, 11:17:22 pm ---Are you sure, some said it's red some said blue!

Also, what is bubble method?

https://studentforums.biz/index.php/topic,7969.msg211967.html#msg211967

--- End quote ---

green
A = 15
B = 19
total = 34

white
A=7
B=5
total=12

b) greater number of green seedlings indicate that "green" is dominant and "white" is recessive .. both colours present indicates that the parents are heterozygous .. By the way which year and its for how many mrks??

Ivo:

--- Quote from: ~VIN1094~ on May 19, 2010, 11:27:47 pm ---green
A = 15
B = 19
total = 34

white
A=7
B=5
total=12

b) greater number of green seedlings indicate that "green" is dominant and "white" is recessive .. both colours present indicates that the parents are heterozygous .. By the way which year and its for how many mrks??


--- End quote ---

Thanks!

This was for Summer 07 and only for 2 marks.

By the way the thing about bubble method I've included in new link from previous post.

Here it is again:

https://studentforums.biz/index.php/topic,7969.msg211977.html#msg211977

Vin:

--- Quote from: Ivo on May 19, 2010, 10:05:06 pm ---In the mark scheme it says method of measuring uptake is bubble method.

What is this?

--- End quote ---

What is figure 1.1 about ??

as far as i can comprehend ..

1.take same species of plants
2.same amount of volume of water with dye
3.Same temperature
4.start the experiment at the same time
5.cover with plastc to avoid evaporation
6.repeat the experiment

..

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