Coronaviruses are a group of related RNA viruses that cause diseases in mammals and birds. In humans and birds, they cause respiratory tract infections that can range from mild to lethal. Mild illnesses in humans include some cases of the common cold (which is also caused by other viruses, predominantly rhinoviruses), while more lethal varieties can cause SARS, MERS, and COVID-19. .
Coronavirus disease 2019 (COVID-19) is a contagious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The first known case was identified in Wuhan, China in December 2019.[7] The disease has since spread worldwide, leading to an ongoing pandemic. Symptoms of COVID-19 are variable, but often include fever, cough, headache, fatigue, breathing difficulties, and loss of smell and taste. Transmission of COVID-19 occurs when people are exposed to virus-containing respiratory droplets and airborne particles exhaled by an infected person. Those particles may be inha...
Agriculture Season In India (ഇന്ത്യയിലെ കൃഷി സീസൺ) .
ഇന്ത്യയിൽ 3 തരത്തിലുള്ള കൃഷി സീസൺ ഉണ്ട്.
1.ഖാരിഫ് .
ജൂൺ-ജൂലൈയിൽ തുടങ്ങി സെപ്തം.- ഒക്ടോബറിൽ വിളവെടുകുന്നു.
മഴക്കാല കൃഷി.
ഉദാ: നെല്ല്, ചോളം, പരുത്തി, ജോവർ,.
ബജ്റ, റാഗി, ചണം.
2. റാബി .
ഒക്ടോ- ഡിസംബറിൽ തുടങ്ങി എപ്രിൽ-മെയ്യിൽ വിളവെടുകുന്നു.
മഞ്ഞുകാല കൃഷി.
ഉദാ: ഗോതമ്പ്, ബാർലി, കടുക...
At which one place did Mahatma Gandhi first start his Satyagraha in India : Champaran .
'Holding a Bandh' was declared illegal for the first time in India by which High Courts : Kerala High Court .
By which ruler was the practice of military governorship first introduced in India : Greeks .
By whom was Artificial gene synthesis first done in laboratory : Hargovind Khurana .
By whom was Gene first isolated : Hargobind Khurana .
By whom was Swaraj as a national demand first 'made : Dadabhai Naoroji .
By whom was first successful vaccine against virul disease of small pox discovered : Edward Jenner .
By whom was first women's university in India was founded : Dhondo Keshave Karve .
By whom was the Bhakti Movement first organised : Ramananda .
By whom was the calculation of electronegativities first done : Pauling .
By whom was the first Mus...