(a) Spectrophotometer
(b) Scintillation
(c) Lead plate
(d) Microscope
Answer:
The offending substance in the liquor tragedies leading to blindness etc. is
(a) Benzyl alcohol
(b) Methyl alcohol
(c) Ethyl alcohol
(d) Amyl alcohol
Answer:
Cobalt-60 is commonly used in radiation therapy because it emits
(a) Gamma rays
(b) X-rays
(c) Alpha rays
(d) Beta rays
Answer:
Most of the explosions in mines occur due to the mixing of
(a) Carbon dioxide with ethane
(b) Methane with air
(c) Oxygen with acetylene
(d) Hydrogen with oxygen
Answer:
Regarding the atom of a chemical element, the magnetic quantum number refers to
(a) Size
(b) Spin
(c) Orientation
(d) Shape
Answer:
Shyamji Krishna Verma established Indian Home Rule Society in
(a) Berlin
(b) San Francisco
(c) London
(d) Paris
Answer:
All India Muslim League was formed at
(a) Aligarh
(b) Dhaka
(c) Lahore
(d) Lucknow
Answer:
The birth place of Maharani Laxmi Bai, the heroine of the 1857 freedom struggle is
(a) Varanasi
(b) Vrindaban
(c) Agra
(d) Jhansi
Answer:
Where was the first session of Indian National Congress held at
(a) Ahmedabad
(b) Allahabad
(c) Calcutta
(d) Bombay
Answer:
The first Governor-General of India was appointed in
(a) 1774
(b) 1793
(c) 1833
(d) 1857
Answer: