Test Preparation on Microbes in Human Welfare – II Biology Test Series for NEET - 2020
1.
With the exception of water, which one of the following is possibly the most important accessory chemical substance in industrial processes
2.
An example of Petrocrop is
(a) Those plant which are latex containing, long chain of hydrocarbons is called petroplants. e.g. Euphorbia lathyris, E. caudicifolia, Calotropis procera, Pittosporum resiniferum etc.
3.
Which one of the following is being tried in India as a biofuel substitute for fossil fuels
4.
5.
In developing countries, the heaviest demand on forests is for
(a) Wood which is used as source of energy is called fuel wood and about 2 billion people in world are dependent upon wood as a source of fuel.
6.
The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals include the
(a) Conversion of organic acid into CH4 gas by activity of methanogenic bacteria (anaerobes).
7.
Major autotrophic biomass in oceans is contributed by
8.
The current consumption on domestic fire wood in India is about
9.
One of the following plants have contributed to coal formation
(a) Woods of dicots serve as better fuel wood than gymnospermous woods, because the former provide uniform heat for a long time.