Related Questions

Nitrogen fixation is a process of
A Assimilation of nitrate
B Utilisation of nitrogen gas
C Conversion of organic nitrogen to proteins
D Conversion of molecular nitrogen to ammonia
Nitrogen fixation process in the soil is done by
A Virus
B Bacteria
C Fungi
D Protoza
The ratio of moles of a reactant converted into the desired product to that converted into unwanted product is called
A Operational yield
B Relative yield
C Selectivity
D None of these
Which of the following crops helps in nitrogen fixation?
A Rice
B Wheat
C Beans
D Maize
Nitrogen Fixation is carried out primarily by
A Plants
B Humans
C Consumers
D Bacteria
Symbiotic Bacteria responsible for the fixation of atmospheric nitrogen are present in
A peas
B wheat
C corn
D oats
Heterocysts, specialised for nitrogen fixation, occur in certain
A Red brown algae
B Blue green algae
C Ferns
D Mosses
Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called?
A Paperless office
B Electronic mail
C Global network
D Electronic newspaper
E None of the above
Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres.
A Acrylic
B Polyester
C Nylon 6:6
D Polypropylene
Water flows into an empty 64-gallon drum through pipe A and flows out through pipe B. If the rate of flow through A is 2 gallons/hour, how many gallons per hour must flow out through pipe B so that the drum is full in exactly 96 hours?
A 3/8
B 1/2
C 2/3
D 4/3

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