Biology; Chemistry; Physics: Post your doubts here!

[asadalam]

So diagonal length always. But won't we get the same answer by using even the shortest length?
It's actually the ratio between any two proportional corresponding sides.

And it should be in mm right??

Yes but i read somewhere we have to take longest.But i guess you wont be penalised if you dont.And yes its in mm

 

[Dark Destination]

Yes but i read somewhere we have to take longest.But i guess you wont be penalised if you dont.And yes its in mm

And what are your views about exceeding the given lines?
What if we write beneath the end line, if their is space? Will the answer be accepted?

And yes, i know we should plan the answer before writing and all, but sometimes its required.
Will they mark that answer?

 

[exploded diper]

I guess yeah becuz contents in phloem are in form of a solution.

Also to cool plant and provide medium for transport of sugars i guess(is water in the phloem tubes too?)

 

[asadalam]

I

And what are your views about exceeding the given lines?
What if we write beneath the end line, if their is space? Will the answer be accepted?

And yes, i know we should plan the answer before writing and all, but sometimes its required.
Will they mark that answer?

I'm pretty sure they will,they arent are enemies and it just takes a little more effort to read,so unless their really grumpy it wont matter.Of course its better to be on the safe side

 

[Dark Destination]

I

I'm pretty sure they will,they arent are enemies and it just takes a little more effort to read,so unless their really grumpy it wont matter.Of course its better to be on the safe side

I know, but some people were like it won't be marked. .-.

 

[asadalam]

I know, but some people were like it won't be marked. .-.

They be kharoos

 

[peacce]

how to avoid self pollination? guysssss

 

[peacce]

 

[Fate0]

how to avoid self pollination? guysssss

i) Dioexious plants bear either male or female flowers.
ii) Anthers and Stigmas mature at different times.
iii) Stigmas of plants with bisexual flowers may be situated some distance away from anthers.

 

[Fate0]

Also good luck guys.
Pray to Allah. May he bless us with a good paper and good grades.

 

[peacce]

i) Dioexious plants bear either male or female flowers.
ii) Anthers and Stigmas mature at different times.
iii) Stigmas of plants with bisexual flowers may be situated some distance away from anthers.

yay ..thanx

 

[sameersuleman]

why is a visking tubing washed from outside after being filled ??

 

[peacce]

why is a visking tubing washed from outside after being filled ??

to wash away any residue of wotever the solution is in it

 

[Awesome12]

Can someone please draw this
http://papers.xtremepapers.com/CIE/Cambridge International O Level/Biology (5090)/5090_w10_qp_62.pdf
Question 2

 

[princess Anu]

It counts for 1mm, the sleeve reading is 0.5mm.

what does that mean :s

 

[Awesome12]

Can someone please draw this
http://papers.xtremepapers.com/CIE/Cambridge International O Level/Biology (5090)/5090_w10_qp_62.pdf
Question 2

@♣♠ Magnanimous ♣♠
some help here

 

[princess Anu]

Does pH affect seed germination?

 

[sameersuleman]

to wash away any residue of wotever the solution is in it

Man I wrote this and my teacher marked it wrong.... though i wrote anything can be washed away

 

[peacce]

Awesome12

 

[peacce]

Man I wrote this and my teacher marked it wrong.... though i wrote anything can be washed away

Don't write anyting whatever is in the visking tubing, write that in place of *anything*