Biology; Chemistry; Physics: Post your doubts here!

[exploded diper]

they would ask the number by giving a pyramid of number.....
but the may use the word population...or number....

 

[exploded diper]

What are the Effects of Abuse of Alcohol and Heroine?

whats the book u have for.....everything is in the book.....

 

[princess Anu]

Can u list some points for this answer.

whats the book u have for.....everything is in the book.....

 

[peacce]

it prevents it from bursting by provide with an opposing pressure

you are asking with regard to plants na? then cell wall plays the role my dear princess Anu

 

[peacce]

MCQ 3 guysssssssss

 

[princess Anu]

B^?

MCQ 3 guysssssssss

 

[peacce]

This one too princess Anu B q nai hai ?

 

[peacce]

B^?

yes it is ..but how? Explanation pls

 

[peacce]

did u understand that tugor wli thng? princess Anu

 

[princess Anu]

yes it is ..but how? Explanation pls

Simple, As the conc of sucrose sol increases, water will leave the potato cell by osmosis and its mass will decrease which is represented by B only

 

[princess Anu]

did u understand that tugor wli thng? princess Anu

yeah

 

[princess Anu]

This one too princess Anu B q nai hai ?

It should be A
because amylase requires neutral pH not too low as HCL

 

[peacce]

It should be A
because amylase requires neutral pH not too low as HCL

ooooo..thanks :')

 

[princess Anu]

http://papers.xtremepapers.com/CIE/Cambridge International O Level/Biology (5090)/5090_w08_qp_1.pdf
Q37 ?

 

[Awesome12]

http://papers.xtremepapers.com/CIE/Cambridge International O Level/Biology (5090)/5090_w08_qp_1.pdf
Q37 ?

Lets say the allele for white coat is WW, and for red coat it is RR. When we cross them we will get WR (soan). Now cross this with RR (red). You will get
WR, WR, RR, RR
2:2
1:1

 

[exploded diper]

We all skip that part
so nobody knows

hehe........

 

[exploded diper]

mayjune 5090 2010
mcq
q:19 anybody....

 

[Awesome12]

mayjune 5090 2010
mcq
q:19 anybody....

Link?

 

[exploded diper]

wait a sec.....

 

[exploded diper]

http://papers.xtremepapers.com/CIE/Cambridge International O Level/Biology (5090)/5090_s10_qp_12.pdf