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

Total Questions 664
Difference between root and stem.
Give a brief account of solid waste.
Difference between dicot leaf and monocot leaf.
Difference between Dicot stem and Monocot stem.
Difference between Dicot root and Monocot root.
what are the differents between interference and difraction?and what are their applications?
What are agrochemicals and what are their effects?
sir, what is Mendel's law of inheritance in one gene?
what is competitive exclusion principles
what are the applications of total internal reflection?
what is aberration?
Who discovered integration?
In a convex lens a real image of magnification 2 becomes virtual image of magnification 4 when the power is shifted by 1 m.calculate the power of the lens?
an equi convex lense is cut in to two halves in a plane passing through the principal axis.what is the focal length of each part?
why the power of a lens is expressed in terms of focal length?
In a convex lens a real image of magnification 2 becomes virtual image of magnification 4. when the object is shifted by 1 m .calculate tha power of the lens?
please do upload plus one biology model question papers....it would be much helpful
LENS MAKERS EQUATION DERIVATION
SIGN COVNVENTION
what is mean by the sexual deceit by orchids?