A naked RNA particle causing the symptoms like that of a viral diseases is known as
Options
(a) Viroid (b) Virion (c) viral (d) none of the these
Correct Answer:
Viroid
Explanation:
No […]
A good producer of citric acid is
Options
(a) Pseudomonas (b) Clostridium (c) Saccharomyces (d) Aspergillus
Correct Answer:
Aspergillus
Explanation:
Aspergillus niger is a fungus and one of the most common species of […]
A dikaryon is formed when
Options
(a) meiosis is arrested (b) the two haploid cells do not fuse immediately (c) cytoplasm does not fuse (d) none of the above
Correct Answer:
the two haploid […]
If avagadro number is changed from 6.022 x 10²³ mol⁻¹ to 6.022 x 10²⁰ mol⁻¹, this would change
Options
(a) the definition of mass in units of grams (b) the mass of one […]
The number of water molecules is maximum in
Options
(a) 1.8 molecules of water (b) 1.8 gram of water (c) 18 gram of water (d) 18 moles of water
Correct Answer:
18 moles […]
A mixture of gases contains H₂ and O₂ gases in ratio of 1:4(w/w). What is the molar ratio of the two gases in the mixture?
Options
(a) 4:1 (b) 16:1 (c) 2:1 (d) […]
When 22.4 litres of H₂(g) is mixed with 11.2 litres of Cl₂(g), each at S.T.P, the moles of Hcl(g) formed is equal to
Options
(a) 1 mol of Hcl(g) (b) 2 mol of Hcl(g) […]
Metabolic reactions can be demonstrated outside the body in cell free systems. An isolated metabolic reaction outside the body of an organism, performed in as test tube is
Options: Living thing Non- Living Thing Either […]
2017 Copyright Doctor Dreams Training Academy