Merits and Demerits of Capitalist Economy

A village health worker was taking a session with women. She tells the women that has to be very careful while using oral pills as method of birth control. Wrong usage can actually promote conception. (i) Analyze the statement and compare merits and demerits of using oral pills and surgical methods of birth control. (ii) Village women were confused as to how a thin metallic Copper loop can provide protection against pregnancy. Justify the use explaining the mode of action of IUDs.

Give the merits and demerits of fish culture?

Write the merits and demerits of mass flow hypothesis.

What are the demerits of Artificial systems of classification ?

Mention two demerits of a simple barometer and state how they are removed in a Fortin barometer.

State the law on the basis of which Mendeleev classified the elements. Mention the important features of his periodic table. What are the merits and defects of Mendeleev's periodic table ?

Two kingdom system did not distinguish between the eukaryotes and prokaryotes, unicellular and multicelllular organisms and photosynthetic (Autotrophs) and non-photosynthetic (Heterotrophs) Organisms. These are demerits of two kingdom system. (True/False)

Chemistry plays an important role in our national economy. …………….