Q. What are two stages involved in photosynthesis?

View solution

Q. Greenhouse gases are carbon dioxide, methane and:

View solution

Q. Evaporation' is process of:

View solution

Q. Ecosystem is a distinct system of interdependent plants and animals, along with their:

View solution

Q. Stratospheric ozone is measured by a unit called:

View solution

Q. Currently, proportion of carbondioxide in atmosphere is:

View solution

Q. Sources of nitrous oxide includes:

View solution

Q. Average weather in a particular region is known as:

View solution

Q. UV-B radiation adversely affect immune system, causing:

View solution

Q. What does tropical rainforest provide?

View solution

Q. In 1987, montreal protocol agreement was scaling down of:

View solution

Q. Nitrous oxide are emitted in atmosphere by use of synthetic fertilizers for:

View solution

Q. Tropical 'cyclones' occur in:

View solution

Q. Windmills are located at top of a tower to height about:

View solution

Q. Mostly deforestation has occurred in the:

View solution

Q. Power dissipation index measures destructive power of:

View solution

Q. Primary energy is a source of energy such as fossil fuels, nuclear or:

View solution

Q. A compound is a substance formed from two or more elements chemically combined in:

View solution

Q. Water takes large amount of heat input to give it a small:

View solution

Q. Condensation is a process of changing state from gas to:

View solution