Related Questions

Which of the following organisms fix nitrogen in aquatic ecosystems?
A Fungi
B Chemoautotrophs
C Cyanobacteria
D Phytoplankton
The ability to fix atmospheric nitrogen is found in the
A Leaves of some crop plants
B Some marine red algae
C Some blue-green algae
D Cholera
For supplying water to rabi crop, kharif crop and sugarcane, the channel is designed for a capacity equal to the greater of the water requirement of
A rabi or kharif
B rabi and kharif or sugarcane
C rabi and sugarcane or kharif and sugarcane
D rabi or kharif or sugarcane
Crop and Straighten photos কমান্ড ব্যবহারে ছবি crop করার পূর্বশর্ত কোনটি? 
A স্বচ্ছ background হবে
B ব্যাকগ্রাউন্ড RGB মোডে হবে
C এক রঙের সলিড background হতে হবে
D Background একাধিক রং বিশিষ্ট হবে
It is almost always desirable to increase the yield of a crop if ... increases are not also necessary in encrgy, labor, and other inputs of crop production.
A predetermined
B commensurate
C compatible
D measured
Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has
A High bond dissociation energy
B Smaller atomic radius
C Stable half filled 2p sub level
D High nuclear charge
Through nitrogen fixation process nitrogen in the atmosphere is converted into
A Ammonium
B Hydroxide
C Nitrate
D Chlorite
Identify the incorrect word/phrase indicated by (1), (2), (3) or (4) in the following sentence: A doctor may be able "to diagnose" a problem "prefect" but he may not able to find a drug "to which" the patient "will respo
A to diagnose (1)
B perfect (2)
C to which (3)
D will respond (4)
The length of a rope, to which a cow is tied, is increased from 19m to 30m. How much additional ground will it be able to graze? Assume that the cow is able to move on all sides with equal ease.
A 1696 sq.m
B 1794 sq.m
C 1594 sq.m
D 1756 sq.m
Identify the incorrect word/phrase in the following: A doctor may be able to (a) diagnose a problem (b) perfect, but he may not be able to find a drug (c) to which the patient will (d) respond. 
A a
B b
C c
D d

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