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Kerala (English Medium)->Plus 2 Biology Science Questions

Total Questions 664
what is the function of conjunctiva in our eyes?
which is the greatest invention
why do plants only want less energy than animals?
why moon has no atmosphere
COMMON DISEASES ASSIGNMENT WORK
kinetic theory-would you please explain rms-speed? how can we derive the equation for the same?
what is limits&derivatives? would you give me class notes of that chapter?
i would like to have a short note of stste syllabus chemistry chapter 9 'hydrogen' including each important points for me to prepare for exam.....better as capsule! coz i am lazy to study big paragraphs....please do help me with chemistry....i could not find help in class notes...so i beg you to help me to make chemistry more easy to score marks.....hope you guys will help me...help me as soon as you can. i am waiting for your help !
i humbly need an out sketch of seminar on the topic water pollution including the subtopic causes of water pollution.... and please do kindly tell me about the terms biochemical oxygen demand,and eutrophication (not as in the text !)which should be include in seminar and help with the guidelines to appear for a seminar and how should i prepare for the same. have a good day and i expect my answer on 22/1/2014 wednesday....hope you will answer me as soon as you can
A solution is to be kept between 68°F and 77°F.What is the range in temperature in degree celsius(C),If the celsius /Farenheet(F)conversion formula is given by F=(9/5)C+32?
Convert (1+7i)/(2-i)^2 in the polar form.
A manufacture has 600 litres of a 12% solution of acid .How many litres of a 30% acid solution must be added to it so that acid content in the resulting mixture will be more than 15% but less than 18%.
A college awarded 38 medals in football ,15 in basket ball and 20 in cricket.If these medals went to a total of 58 men and only three men got medals in all the three sports,how many received medals in exactly two of the three sports?
Prove that 2cos pi/13 cos9pi/13+cos3pi/13+cos5pi/13=0
In a circle of diameter 40 cm,the length of a chord is 20 cm.Find the length of minor arc of the chord?
Prove that cos^2 x +cos^2 (x+?/3)+cos^2 (x- ?/3)=3/2
Find the degree measure of the angle subtended at the centre of a crcle of radius 100 cm by an arc of length 22 cm (Use ? =22/7)
please do give a sketch of seminar on the topic : 1 international standards for drinking water 2 soil pollution 3 pesticides 4 waste management please do help me as soon as you can .........better on 10 th january 2014
"The velocity and displacement of a uniformly accelerated body can be obtained using equations of motion." a)Derive an expression for distance covered by a uniformly accelerated body during nth second. b)A body starts moving with a speed 50m/s.Calculate the displacement made by it during the 10th second alone if its uniform acceleration is 4m/s^2.
A particle covers a full circular path of radius 14cm in 8 sec.Calculate average speed and velocity when it completes one circular motion.