Alexander Fleming's accidental discovery of penicillin in 1928 led to the development of antibiotics, revolutionising medicine by dramatically reducing deaths from:
C. Visualise the internal structures of the human body, such as bones, without surgery
16.
The 'Green Revolution', involving the development and adoption of high-yielding variety (HYV) seeds and modern agricultural techniques, is closely associated with the agricultural scientist:
The Green Revolution significantly increased agricultural productivity worldwide, but is also associated with certain negative societal and environmental consequences, such as:
A.
Total abandonment of mechanised farming
B.
Complete elimination of world hunger
C.
Zero impact on farming practices
D.
Excessive use of chemical fertilisers/pesticides and depletion of groundwater resources
D. Excessive use of chemical fertilisers/pesticides and depletion of groundwater resources
18.
The development of nuclear fission technology in the 1930s-40s led to the creation of the atomic bomb, which was used in warfare for the first time against Japan in:
