Carbon monoxide is one of the major pollutant present in the world. The six most common pollutants include ozone, carbon monoxide, sulfur dioxide, lead, nitrogen oxides, and particulate matter.
Carbon monoxide is a common atmospheric pollutant. It is produced largely in combustion processes like in industries and in vehicles. It is a gas that cannot be seen nor smelled.
Papayas are yellow due to the presence of carotene and xanthophyll pigments i.e, Caricaxanthin present in the chromoplasts of the fruit pulp.
The coloration of the different tissues in plants is due to the plastids which are present in the cells. Leucoplasts are white in colour, chloroplasts are green in colour and chromoplasts are of various colours. These plastids can take any colour at different time. Therefore, green fruits ( chloroplasts) turn colurful (chromoplasts) at maturity.
Name the body that has recently announced a plan to promote micro-enterprises in 115 aspirational districts across the country after tying up with Common Service Centre (CSC).
Small Industries and Development Bank of India (SIDBI) announced a plan to promote micro-enterprises in 115 aspirational districts across the country. It has tied up with Common Service Centre (CSC).
Home Minister Rajnath Singh launched the web-based application e-FRRO (e-Foreigners Regional Registration Office) scheme under which foreigners can avail, various visa and immigration-related services online. This will facilitate hassle-free travel to India for foreigners.
Which elements are most abundant in living organisms?
A) oxygen, nitrogen, carbon, hydrogen, sulfur, and phosphorus
B) carbon, potassium, iron, magnesium, hydrogen, and nitrogen
C) hydrogen, carbon, calcium, potassium, oxygen, and phosphorus
D) oxygen, calcium, phosphorus, sodium, hydrogen, and carbon
A) oxygen, nitrogen, carbon, hydrogen, sulfur, and phosphorus
B) carbon, potassium, iron, magnesium, hydrogen, and nitrogen
C) hydrogen, carbon, calcium, potassium, oxygen, and phosphorus
D) oxygen, calcium, phosphorus, sodium, hydrogen, and carbon
Answer & ExplanationAnswer: A) oxygen, nitrogen, carbon, hydrogen, sulfur, and phosphorus
Explanation:
Living organisms often contain trace amounts of several elements, but the most abundant ones are oxygen, carbon, hydrogen, nitrogen, calcium, sulphur and phosphorus.