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this didnt make sense :/ the shoot will only grow that way because of the light, there is no other factor which will cause it to grow that way, anyways im now sure that the tip detects the light and auxin is resposible for growth only.
I've asked this question and I still don't get it. It's from 2001
yeahp...auxin is responsible for growth...that is the reason where auxin is present, the growth will be MORE i.e it will bend (C)
People have different opinions here.. but I think that the answer is C. If the tip of a shoot is replaced by agar jelly containing auxin, the auxin will diffuse through the agar (since it is permeable) and will cause the shoot to grow more on the side where it is concentrated. The only answer that qualifies is C, since the agar jelly is placed on the longer side of the shoot! Hope this helped..
Assalam-o-alaikum wr wb...Can someone please explain this answer.. why can't it be C??
Thanks bruv..Assalam-o-alaikum wr wb...
this is bcoz the reaction is taking place...it is a slow reaction and therefore it will take time for the mass to decrease...it won't decrease DIRECTLY, like C!
hope that helps
Your welcome!
The answer is C, could you please explain it further, I am really confused. As the tip is cut off, the auxin secretion is prevented and that was why I answered A but the thing is , there is no light source mentioned in the question so based on what do we choose which tropism behavior the plant shows?!?
the auxin secretion is prevented..that's true!
yea great , thanks a BUNCH
it's okie...juss remember me in your prayersyea great , thanks a BUNCH
Assalam-o-alaikum wr wb...I'm kinda confused here.. chlorine is deposited at the anode, i get that. But hydrogen is supposed to be deposited at the cathode, right? The answer here is A, how is sodium hydroxide a product of the cathode??
Yeah, there is no any other option with chlorine.. but the question may be changed and come in a different way! They're saying that sodium hydroxide is a "product" of the cathode.. how the hell is that??Assalam-o-alaikum wr wb...
I think they are talking about the solution 'around' cathode...which is sodium hydroxide!
secondly...there is no other option with chlorine at the anode so the answer is definately A
umm..donno! may be someone else can help youYeah, there is no any other option with chlorine.. but the question may be changed and come in a different way! They're saying that sodium hydroxide is a "product" of the cathode.. how the hell is that??
Yeah, there is no any other option with chlorine.. but the question may be changed and come in a different way! They're saying that sodium hydroxide is a "product" of the cathode.. how the hell is that??
for 22) u r right it is controlled by the nervous system but NOT directly
For number 22, the question is regarding what is not controlled directly by the nervous system. The detector cells in the pancreas are the ones that detect the change in blood glucose concentration! The nervous system (Brain) causes insulin hormone to be secreted and blah blah. Therefore, it is the pancreas which is responsible for this. As for the dilation of blood vessels, it is the hypothalamus in the brain that detects the change in temperature of the blood.. hence, it is controlled directly by the nervous system. So the answer is A!
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