Which one of the following is correctly matched about plant nutrients?
Options
(a) Passive transport of nutrients – ATP (b) Asoplast – Plasmodesmata (c) Potassium – Readily immobilisation (d) Bakane of rice seedlings […]
Which one of the following is wrong statement about nitrogen fixing?
Options
(a) Anabaena and Nostoc are capable of fixing nitrogen in free living state also. (b) Root nodule forming nitrogen fixers live […]
Which two distinct mictobial processes are responsible for the release of fixed nitrogen as dinitrogen gas (N) to the atmosphere?
Options
(a) Anaerobic ammonium oxidation, and denitrification (b) Aerobic nitrate oxidation, and nitrite […]
The domestic sewage in large cities
Options
(a) has a high BOD as it contains both aerobic and anaerobic bacteria. (b) is processed by aerobic and then anaerobic bacteria in the secondary treatment […]
Trichoderma harzianum has proved a useful microorganism for
Options
(a) bioremediation of contaminated soils (b) reclamation of wastelands (c) gene transfer in higher plants (d) biological control of soil-borne plant pathogens
Correct Answer: […]
During sewage treatment, biogases are produced which include :
Options
(a) methane, oxygen, hydrogen sulphide (b) hydrogen sulphide, methane, sulphur dioxide (c) hydrogen sulphide, nitrogen, methane (d) methane, hydrogen sulphide, carbon dioxide
Correct […]
Which one of the following is a wrong matching of a microbe and its industrial product, while the remaining three are correct ?
Options
(a) Yeast – statins (b) Acetobacter aceti – acid […]
Which one of the following is an example of carrying out biological control of pests/diseases using microbes ?
Options
(a) Trichoderma sp. against certain plant pathogens (b) Nucleopolyhedrovirus against white rust in Brassica […]
Read the following statement having two blanks: ‘A drug used for —– patients is obtained from a species of the organism —–‘ The one correct option for the two blanks is
Options
(a) […]
Which one of the following items gives its correct total number?
Options
(a) Floating ribs in humans – 4 (b) Amino acids found in proteins – 16 (c) Types of diabetes – 3 (d) […]
2017-2025 Copyright Doctor Dreams Training Academy - About Us - Privacy Policy - Terms & Conditions - Contact Us - Refund Policy