Experimental designs, though powerful in establishing cause-effect relationships, have certain limitations:
However, the ability to replicate findings is a strength of experimental designs, not a limitation, as the controlled conditions allow for consistency in repeated studies.
Match List I with List II:
List I (Indicator) | List II (Denominator) |
---|---|
A. Specific death rate due to tuberculosis | I. Total number of COVID-19 cases |
B. Specific death rate for males | II. Mid-year population |
C. Case fatality rate for COVID-19 | III. Mid-year population of males |
D. Specific death rate in age group 15-19 years | IV. Mid-year population of persons aged 15-19 |
Choose the correct answer from the options given below:
Europium (Eu) resembles Calcium (Ca) in the following ways:
(A). Both are diamagnetic
(B). Insolubility of their sulphates and carbonates in water
(C). Solubility of these metals in liquid NH3
(D). Insolubility of their dichlorides in strong HCI
Choose the correct answer from the options given below: