Which one of the following is incorrect about the characteristics of protobionts (coacervates and microspheres) as envisaged in the biogenic origin of life?
Options
(a) They were able to reproduce (b) They could […]
Which one of the following pairs of items correctly belongs to the category of organs mentioned against it?
Options
(a) Thorn of Bougainvillea and tendril of Cucurbita – Analogous organs (b) Nictitating membrane […]
Which one of the following is the correct percentage of the two (out of the total of 4) green house gases that contribute to the total global warming?
Options
(a) CFCs 14%, Methane […]
According to Central Pollution Control Board (CPCB), which particulate size in diameter (in micrometers) of the air pollutants is responsible for greatest harm to human health?
Options
(a) 2.5 or less (b) 1.5 […]
Which one of the following is the correct matching of the site of action on the given substrate, the enzyme acting upon it and the end product?
Options
(a) Duodenum: Triglycerides Monogly-cerides (b) Small […]
What will happen if the secretion of parietal cells of gastric glands is blocked with an inhibitor?
Options
(a) Gastric juice will be deficient in chymosin (b) Gastric juice will be deficient in pepsinogen […]
What is vital capacity of our lungs?
Options
(a) Inspiratory reserve volume plus tidal volume (b) Total lung capacity minus expiratory reserve volume (c) Inspiratory reserve volume plus expiratory reserve volume (d) Total lung […]
Main objective of production/use of herbicide resistant GM crops is to
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(a) eliminate weeds from the field without the use of manual labour (b) eliminate weeds from the field without the use […]
If the lattice parameter for a crystalline structure is 3.6 Å, then the atomic radius in fcc crystal is
Options
(a) 2.92 Å (b) 1.27 Å (c) 1.81 Å (d) 2.1 Å
Correct […]
If a gas expands at constant temperature , it indicates that
Options
(a) kinetic energy of molecules remains the same (b) number of the molecules of gas increases (c) kinetic energy of molecules […]
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