The time period of a vibrating body is 0.04s, then the frequency of the wave is___.
(A) 25Hz
(B) 20Hz
(C) 250Hz
(D) 200Hz
The Black soil is also known as ______ soil.
(A) Bhangar
(B) Humus
(C) Crystalline
(D) Regur
The most commonly used bleaching agent is
(A) chlorine
(B) sodium chlorine
(C) alcohol
(D) carbon dioxide
Which of the following is not a major source of proteins?
(A) Fish
(B) Gram
(C) Soyabean
(D) Wheat
The velocity of light was first measured by
(A) Galileo
(B) Newton
(C) Einstein
(D) Romer
Toxicology is related to the study of?
(A) Viruses
(B) bacteria
(C) diseases
(D) Poisons
A difference is found between a plant cell and an animal cell due to the presence of?
(A) Chloroplasts
(B) cell wall
(C) cell art
(D) nucleus
Mitochondria are the center of which the following?
(A) protein synthesis
(B) fat synthesis
(C) photosynthesis
(D) cellular respiration
Which cell is the largest cell of the human body ?
(A) nerve cell
(B) white blood cell
(C) red blood cell
(D) liver cell
Myxodema occurs in the human body due to the malfunction of which of the following?
(A) adrenal gland
(B) pancreatic gland
(C) liver
(D) thyroid gland
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