3101: Rabindranath Tagore surrendered his title to the British because of:
(a) Civil Disobedience Movement
(b) Non-Cooperation Movement
(c) Jallianwalah Bagh massacre
(d) Partition of Bengal
3102: Neil Armstrong was the first person to reach on the moon. While walking on the moon:
(a) His mass remained the same but weight increased
(b) His mass remained the same but weight decreased
(c) His mass as well as weight decreased
(d) His mass increased but weight remained the same
3103: Consider the following:
Carbon monoxide
Methane
Ozone
Sulphur dioxide
Which of the above are released into atmosphere due to the burning of crop/biomass residue?
(a) 1 and 2 only
(b) 2, 3 and 4 only
(c) 1 and 4 only
(d) 1, 2, 3 and 4
3104: Health hazard floods are responsible for the spread of:
(a) Cholera
(b) Malaria
(c) Influenza
(d) Diarrhoea
3105: Which one of the following is the correct sequence of ecosystems in the order of decreasing productivity?
(a) Oceans, lakes, grasslands, mangroves
(b) Mangroves, oceans, grasslands, lakes
(c) Mangroves, grasslands, lakes, oceans
(d) Oceans, mangroves, lakes, grasslands