A level Biology: Post your doubts here!

[Hisham Khan]

Q18

C

 

[SohaibButt]

C

Can u explain lil bit?

 

[A*****]

Palisade mesophyll cell

It is written palisade mesophyl 'layer' why would it not be included? Is it bqz palisade AND spongy would be drawn as a single layer??

 

[Tom Sewage]

Tell me if any more questions

sure definitely

 

[Hisham Khan]

Can u explain lil bit?

No need it's not in our syllabus

 

[Hisham Khan]

It is written palisade mesophyl 'layer' why would it not be included? Is it bqz palisade AND spongy would be drawn as a single layer??

post q again

 

[A*****]

Only golgi vesicle D

Which year is it?

 

[Hisham Khan]

Which year is it?

Answer is A.Sorry I made a mistake.I don;t know the paper but I guess it said lysosomes contain golgibody rer and some other thing or not

 

[A*****]

Can you explain question and why answer is C?

Air being bubbled means oxygen is being supplied...the two graphs are same for 3 carbon means that energy is not req for it so it is taken by diffusion whereas the graph for 6 carbon has significantly dropped means that it is taken up by the use of oxygen ie by active transport

 

[SohaibButt]

Hisham post questions

 

[SohaibButt]

Just for today xD

 

[Hisham Khan]

Hisham post questions

I was doing chem but ok ...

 

[SohaibButt]

I was doing chem but ok ...

How's chem goin on?

 

[SohaibButt]

I was doing chem but ok ...

It's ok u can post later

 

[AKA1001]

Wdym by end.This is a online competitve esports game like overwatch.
I stopped playing because of A-levels.I was addicted to this game haha.
I was silver at first but I got so good with practice and learned the game in so depth that people used to be scared when they saw me ...

same i stopped playing watch dogs and The Last of Us because of exams(

 

[Hisham Khan]

How's chem goin on?

 

[Hisham Khan]

Answer and Why??

 

[A*****]

Isn't lignin water proof?

The answer to this is that water will pass through pits in the lignified walls... SohaibButt the thing u r talking about is movement through empty xylem vessels NOT THROUGH LIGNIFIED WALLS

 

[Hisham Khan]

Which graph and why?

 

[Hisham Khan]

Why??