Biology; Chemistry; Physics: Post your doubts here!

[mustafa4000]

New Zafar Sulehri bio notes
http://www.mediafire.com/file/vx6ldiob91qoli8/Zafar_Sulehri_Greenhall_Biology_Notes.pdf
Chemistry by Umar Zaman
http://www.mediafire.com/file/4hb7tnl9isg34co/Umar_Zaman_Khattak_Greenhall_Chemistry.rar
Physics by Arshad Chaudary
http://www.mediafire.com/file/oed2g44bciahzf1/M.A_Chaudary_Greenhall_OL_Physics_notes.pdf

 

[Determinant86]

Guys, in chem today, that ammonium chloride wala MCQ what was the correct option? 1,2 and 3? Because it was written in teh question : why does it form in the position shown?

I would think so because it indicates that a reaction took place, hence the formation of the white cloud.

 

[Asad.Babur]

Aaaah. I have like 2 days now to prep for P12 and 22 - and I'm no where near good. :|

Kher, suggest me stuff to do. So far I've just finished the book and tried a couple of MCQs.

 

[Asad.Babur]

Aaaah. I have like 2 days now to prep for P12 and 22 - and I'm no where near good. :|

Kher, suggest me stuff to do. So far I've just finished the book and tried a couple of MCQs.

Talking about Physics, 5054. I know I should've prepared more timely... Lekin could not... due to some unforeseen circumstances.

 

[MhnrXhd]

Today's physics paper one had a MCQ about a CRO. what was its answer?

 

[Asad.Babur]

Today's physics paper one had a MCQ about a CRO. what was its answer?

C?

 

[Asad.Babur]

Like I'm just guessing it was the straight line of current.

Today's physics paper one had a MCQ about a CRO. what was its answer?

 

[MhnrXhd]

Like I'm just guessing it was the straight line of current.

Haan, I myself chose the horizontal line option.

 

[Asad.Babur]

Haan, I myself chose the horizontal line option.

Yar. I didn't read the CRO chapter.... So I could only guess it!

 

[MhnrXhd]

Yar. I didn't read the CRO chapter.... So I could only guess it!

At my school, this chapter isn't usually taught properly, hence i saw a lot of students struggling with this. But the majorit chose the option C

 

[Asad.Babur]

At my school, this chapter isn't usually taught properly, hence i saw a lot of students struggling with this. But the majorit chose the option C

NICE.

 

[Asim Shah]

Answer???

 

[momanah]

please tell me weather we can answer biology 5090 questions as points or paragraph

 

[A*****]

please tell me weather we can answer biology 5090 questions as points or paragraph

PARAGRAPH

 

[F.Sarwar.s]

Can anyone pls answer this question?
What are the problems in the systemic and pulmonary circulation if there is a hole in the heart?

 

[princess of cricket]

how to do calibration in biology? its really hard for me can anyone explain.
its of biology a levels . plz reply

 

[Unknown202]

can someone solve this question plz?

 

[studyingrobot457]

View attachment 64317
can someone solve this question plz?

answer B

 

[Unknown202]

K thx alot

answer B

 

[F.Sarwar.s]

Can anyone pls tell where can I find o level biology past papers of 1998-2000