Biology; Chemistry; Physics: Post your doubts here!

[funky brat]

this was tougher got 39
in easier variant qp11 got 37 fro the same reason

Woah. Kini dair main kia?

Yah aur baat hai mainay yah pahlay bhee kia hua tha

Ab yeh mat kaho, nazar nahi lagaty apko.

 

[Fate0]

It shows both variation as there is continuous trend present,but there is also a gap indicating a discontinuous.
Mind explaining Q20 of w12qp12.Shouldnt it be D?And Q30,shouldnt it be A as proteins are composed of amino acids,and they are in more number since all amino acids may be present but a protein is strictly made of amino acids.And Q33 also cuz the cells are 2 and they fuse to make 1 and it reduces to form 4 so shouldnt chromosome number be a quarter of one in big cell?

20- Your body is cooling down. You need a response to heat it. Shivering is actually contraction of muscles which produces heat. Thus IT IS reversing the effect.
30- Most of the amino acid are actually used by the body for making protoplasm, enzymes etc. So the amount of protein is more than the AA's.
33- P and Q go under fertilisatoion (n + n) while the 2n zygot/ cell divides by meiosis to haploid cells. So (b)

 

[funky brat]

It shows both variation as there is continuous trend present,but there is also a gap indicating a discontinuous.
Mind explaining Q20 of w12qp12.Shouldnt it be D?And Q30,shouldnt it be A as proteins are composed of amino acids,and they are in more number since all amino acids may be present but a protein is strictly made of amino acids.And Q33 also cuz the cells are 2 and they fuse to make 1 and it reduces to form 4 so shouldnt chromosome number be a quarter of one in big cell?

I still don't get that. Gap thing.
Yeah, sure. 1 minute please.

 

[asadalam]

20- Your body is cooling down. You need a response to heat it. Shivering is actually contraction of muscles which produces heat. Thus IT IS reversing the effect.
30- Most of the amino acid are actually used by the body for making protoplasm, enzymes etc. So the amount of protein is more than the AA's.
33- P and Q go under fertilisatoion (n + n) while the 2n zygot/ cell divides by meiosis to haploid cells. So (b)

But in 33 there are 4 cells produced so shouldnt they have 0.5 n i.e quarter of that in zygot?

 

[Fate0]

But in 33 there are 4 cells produced so shouldnt they have 0.5 n i.e quarter of that in zygot?

No lol. Meiosis produces 4 haploid daughter cells. There is no 0.5n. Just 2n (diploid) and n (haploid)

 

[Faizan Muhammmad]

I still don't get that. Gap thing.
Yeah, sure. 1 minute please.

remember those plant experiment saying 50 tall 50 short?
actually we dont have one height for that do we? they are ranges
in the graph due to the gap the values have been divided into two ranges, one for tall and one for short
tal short is discontinuous while the height still is continuous

 

[Laibaaa]

*Sitting here like a fool wondering how you can possibly call a paper tough and get 39* -.-

 

[Faizan Muhammmad]

Woah. Kini dair main kia?

Ab yeh mat kaho, nazar nahi lagaty apko.

dunno
sath sath xpc fb lagee rahtee hai

 

[asadalam]

No lol. Meiosis produces 4 haploid daughter cells. There is no 0.5n. Just 2n (diploid) and n (haploid)

Ok but what if the total chromosome number in starting was 8,zygote was 16,shouldnt the smaller ones be 4 since it is split into 4 equal parts?

 

[funky brat]

*Sitting here like a fool wondering how you can possibly call a paper tough and get 39* -.-

He's a genius. xD

 

[Faizan Muhammmad]

*Sitting here like a fool wondering how you can possibly call a paper tough and get 39* -.-

I "felt" the questions to be tough
doesnt mean I have to do them wrong too

 

[Faizan Muhammmad]

He's a genius. xD

I wish I was really the one who you think I am

 

[asadalam]

He's a genius. xD

try w12qp12.It was really hard,i only got 31,now tension for the papers is even more

 

[Laibaaa]

I swear I feel so stupid everytime. -.-
Are you guys gonna study from the books as well or just past papers? :|

 

[funky brat]

Ok but what if the total chromosome number in starting was 8,zygote was 16,shouldnt the smaller ones be 4 since it is split into 4 equal parts?

But there's no such division in quarters, it's either haploid or diploid. A neucleus with 46 chromosomes, can produce two haploid nulei with 23 in each but not 4.

 

[funky brat]

try w12qp12.It was really hard,i only got 31,now tension for the papers is even more

I just started.
Well 31 is bad, how hard it can be.
Is this the first time you're practicing paper 1's?

 

[Faizan Muhammmad]

remember those plant experiment saying 50 tall 50 short?
actually we dont have one height for that do we? they are ranges
in the graph due to the gap the values have been divided into two ranges, one for tall and one for short
tall or short is discontinuous while the height still is continuous

funky brat got it?

 

[asadalam]

I just started.
Well 31 is bad, how hard it can be.
Is this the first time you're practicing paper 1's?

Of course not,but somehow i got this bad,usually i get 35/36+

 

[funky brat]

funky brat got it?

No.
All I get is there are two things mentioned, one is continuous and the other is disconitnuous.

 

[Faizan Muhammmad]

Of course not,but somehow i got this bad,usually i get 35/36+

or 40 in mocks...