In option A singular form of noun i.e question is used which is wrong.
In option B plural form of noun is used which is correct.
In option C a great many is always followed by plural noun and pluralverb.
In option D again plural form of investigation is used which is wrong as in sentence we are talking about only one investigation.
The Modi administration has allocated Rs 450 crore for which among the following?
These markets are of a Permanent nature.
Tea’s red rust disease is caused by
Pradhan Mantri Matasya Sampada Yojana (PMMSY), an umbrella scheme of Ministry of Fisheries, Animal husbandry and Dairying was launched on ____
What is the level of carbon dioxide (CO2) present in the air within the soil?
Centre for Environment Management of Degraded Ecosystem (CEMDE)
A solution contains 1/ 10000 moles/I H+ ions. What is the concentration of hydroxyl ions in this solution?
First hybrid of Pigeon Pea is:
The temperature which double the chemical reaction takes place in food products is
Government of India announce MSP on the recommendation of