What exactly causes "TEETH CAVITIES"? - By Kishor Singh #shorts

What is menorrhagia and what causes it?

What are short day plants?

Write a short note on rusting. What are the causes and effects of it? Explain different methods adopted to prevent rusting

(a) What is short-sightedness ? State the two causes of short-sightedness (or myopia). With the help of ray diagram, show : (i) the eye-defect short-sightedness. (ii) correction of short-sightedness by using a lens. (b) A person having short-sight cannot see objects clearly beyond a distance of 1.5 m. What would be the nature and power of the corrective lens to restore proper vision ?

In Mendel's experiments, there are two alleles of the gene that causes pea shape- R (round) and r (wrinkled) and two alleles of the gene that causes plant height -T (tall ) and t (short). How many different kinds of eggs ae produced by a short plant with wrinkled peas?

The average of the runs made by Raju, Shyam and Hari is 7 less than that made by Shyam, Hari and Kishore. If the number of Kishore's run is 35, what is Raju's run ?