Section 1, Part A - Multiple Choice (3 Viewers)

[desmol]

Re: General Thoughts: Biology

Uh, isn't polymerase what binds DNA strands...? Or am I going crazy..

You're not crazy, DNA polymerase is the enzyme in DNA replication

Catalase is the enzyme in liver (and potatoes)
as for me... I wrote catalase and confused myself later on, crossed it out and wrote amylase

 

[SandyS1995]

Re: General Thoughts: Biology

Polymerase is the enyzyme for liver

Isn't that the enzyme for dna and all that? i put catalase

 

[Wajahat zia]

Re: General Thoughts: Biology

You're not crazy, DNA polymerase is the enzyme in DNA replication

Catalase is the enzyme in liver (and potatoes)
as for me... I wrote catalase and confused myself later on, crossed it out and wrote amylase

another good example is rennin which is found in milk.

 

[Wajahat zia]

Re: General Thoughts: Biology

Isn't that the enzyme for dna and all that? i put catalase

yes catalase is correct. it is found in liver and potatoes.

 

[mytstephen]

Answers from my teacher who did them in 7 minutes flat haha
1b
2c
3a
4c
5a
6c
7b
8b
9b (I got this one wrong, chose A)
10d
11c
12c
13d
14a
15a
16d (as the inoculation loop didnt touch the control yet it has growths)
17d
18b
19c
20b

 

[wavess]

I was stuck on question 3 was it d or c?
From what I've studied, they all come from a common ancestor, and hence divergent evolution in common characteristics in the embryo (D). But then there was C, where the embryos have structures that look similar.
What did you guys do and why??

 

[BlakeOlivo]

As an accelerated biology student who got 95
looked at multiple choice, got to say, much more harder than last year's but should've been manageable
20 is definitely B

Sorry to ask, but assuming you're smart and all, could you go through the m/c and give us your answers so I can compare?

 

[desmol]

Answers from my teacher who did them in 7 minutes flat haha

my teacher came in after 2 hrs, and finished it all by the time we were done... and she had a class too hehe

 

[febebebe]

i did the exact same as you!! i pray to god they are right...

 

[febebebe]

oh if your teacher is right--- woop woop full marks for multiple choice XD but it was a sinch really... so heaps of people would have aced it

 

[Kimyia]

what did everyone get for 6??

 

[mytstephen]

I was stuck on question 3 was it d or c?
From what I've studied, they all come from a common ancestor, and hence divergent evolution in common characteristics in the embryo (D). But then there was C, where the embryos have structures that look similar.
What did you guys do and why??

It is C- falls under the dot point about comparative embryology to support the theory of evolution.

EDIT- The fact that they look similar suggests a common ancestor or something

 

[madharris]

what did everyone get for 6??

C

I think i got ~17/20... I'm pretty happy with that

 

[SandyS1995]

what did everyone get for 6??

C-i guessed it

 

[Newbit]

I got 13/20 Is this bad ?

 

[cartoonmaiz]

Yeah... I think a lot of people would have done very well in the MC bit. But I think this year they will make the marking criteria really harsh...

 

[TheOptimist]

lol this years MC was far more ambiguous than any other previous paper imo

 

[Roscosmos]

i got 17/20 :<

 

[Kimyia]

Could 6 be D though?
Because C is increase antibodies against disease but shouldn't vaccines increase memory B and T cells
And D was decrease number of antigens that trigger an immune response because after vaccines, it takes less antigens to trigger the immune response and start the secondary response??

 

[Roscosmos]

Could 6 be D though?
Because C is increase antibodies against disease but shouldn't vaccines increase memory B and T cells
And D was decrease number of antigens that trigger an immune response because after vaccines, it takes less antigens to trigger the immune response and start the secondary response??

I put D, had the same reasoning as you