Question

Decrease in IMR (Infant Mortality Rate) of a country signifies:
(a) Increase in life expectancy
(b) Increase in GNP
(c) Economic development of a country
(d) Increase in number of colleges in a country

Answer 1

Answer:

A.

Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities

Answer 2

Answer:

Nanotechnology refers to the branch of science and engineering devoted to designing, producing, and using structures, devices, and systems by manipulating atoms and molecules at nanoscale, i.e. having one or more dimensions of the order of 100 nanometres (100 millionth of a millimetre) or less.