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Kerala (English Medium)->Plus 1 Biology Science Questions

Total Questions 361
In a man aged RBC are destroyed in liver and spleen,this is why the spleen is called the 'Graviad of RBC'. My question is, RBC is also destroyed with in the liver then why don't liver is called the 'Graviad of RBC'?
Mitochondria
Explain about the digestive system in earthworm?
What are the demerits of dimensional analysis?
What is the exact significance of annual rings in a plant?
Bryophytes are called Amphibians of plant kingdom.Why?
A machine 10 fires 210 bullet per meter each weighing 0.02kg with a speed of 500m.Find the force of reaction on the support.
Function of scutellum
anatomy of flowering plants
what is embryo
DEFINE d-block elements?
define gymnosperms?
what is taxonomic group
what is meant by parallatic second or parsec?
WHAT IS AVOGADRO LAW
what is Avogadro's law
what is meant by homogenity of dimensions?
what is homogenity of dimensions?give an example.
HOW WE CHECK DIMENSIONS CORRECTLY?
some doctor claim that their medicines provide 100% guarantee for getting a son or daughter according to the wish of the parents .how do you react to such claims on the basis of your knowledge of genetic ?