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

Total Questions 664
DISTINGUISH BETWEEN FUNDAMENTAL UNITS AND DERIVED UNITS
who is the father of botany?
If the question asks to find bond order for elements C,N,O,....We have to draw molecular orbital.Is it same for the elements C,N,O?
Vertical oscillations of loaded spring in water die out rapidly.How can we maintain the oscillations of loaded spring in water?
A girl swings in the sitting position on a swing.How will the period of the swing be affected if she stands up?
Open pipes are preferred to closed ones in musical instruments.Why?
Why is a heavy wheel (fly wheel)attached to the shaft of engines?
In hand-driven grinding machines, handle is put near the circumference of the stone.Why?
molality
what is mean by couple?related with torque.
If sin ? = 3/5 and ? lies in second quadrant find all trigonometric ratios.
why modulus of elasticity decrease with increase in temperature?
if |A+B|=|A-B|,A&B are non zero vectors,what is the angle btw them ?
what is the youngs modulus for a perfect rigid body?
Pascal's law
sound from an open pipe is more shriller than closed.?
what is the use of venturi meter ?and how is it work?
we take a capillary tube of 9 cm .then we can measure the capillary rise of fluid in it is 6 cm. after that we do this same experiment by using a tube of 5 cm. then what about the fluid rise? it will overflow? or it stay in the meniscus portion? or come down?
what is the reason for capillary rise.???????????
What is borax bead test?