Bihar Police GK Questions and Answers
61. Which medicine is used for the treatment of cataracts?
A) Fexofenadine
B) Ketoconazole
C) Latanoprost
D) Ibuprofen
C) Latanoprost
Explanation: Latanoprost is commonly used in treating glaucoma and ocular hypertension, which can be related to the management of cataract symptoms.
62. ___________ is a group of chemicals that affect cell division and plant formation?
A) Cytokinesis
B) Gibberellins
C) Dormins
D) Auxins
D) Auxins
Explanation: Auxins are a class of plant hormones that regulate various aspects of growth and development, including cell elongation and division.
63. Lungs are the primary organs of _________?
A) Digestion
B) Constipation
C) Sweating
D) Respiration
D) Respiration
Explanation: Lungs are the primary organs responsible for respiration, facilitating the exchange of oxygen and carbon dioxide in the body.
64. Who discovered oxygen?
A) Carl Scheele
B) Hooke
C) Heisenberg
D) William
A) Carl Scheele
Explanation: Carl Scheele is credited with the discovery of oxygen in the 18th century, although Joseph Priestley and Antoine Lavoisier also made significant contributions.
65. Electrons present in the highest energy level of an atom are called __________?
A) Conductivity Protons
B) Orbital Protons
C) Valence Electrons
D) None of these
C) Valence Electrons
Explanation: Valence electrons are the electrons located in the outermost shell of an atom and are involved in forming chemical bonds.
66. How many KB are there in 1 GB?
A) 1024
B) 256 x 1024
C) 1024 x 1024
D) 1024 x 1024 x 128
C) 1024 x 1024
Explanation: 1 GB (Gigabyte) is equal to 1024 MB (Megabytes), and each MB is 1024 KB (Kilobytes), so 1 GB is 1024 x 1024 KB.