Top 1000 GK Questions for Competitive Exams
(A) oxygen
(B) Methane
(C) acetic acid
(D) methyl alcohol
Correct Answer : B
Explanation :
Answer: B) Methane Explanation: The main constituent of biogas is methane (55-70%), CO2 (30-45%) and some traces of gases such as H2S and ammonia. Biogas is produced under anaerobic conditions; the process is denominated as anaerobic digestion.
(A) the Brain
(B) the Spinal Chord
(C) the Nerves
(D) the Cells
Correct Answer : B
Explanation :
Answer: B) The Spinal Chord Explanation: A reflex arc is a neural pathway that controls a reflex. In vertebrates, most sensory neurons do not pass directly into the brain, but synapse in the spinal cord. This allows for faster reflex actions to occur by activating spinal motor neurons without the delay of routing signals through the brain.
(A) II only
(B) I only
(C) I and III only
(D) II and III only
Correct Answer : D
Explanation :
Answer: D) II and III only Explanation: Plagiarism is when you copy someone's work and try to pass it off as your own. Plagiarism can be a violation of copyright laws and can be considered cheating, resulting in you getting a failing grade or even being kicked out of school.
(A) Rs. 34000
(B) Rs. 31245
(C) Rs. 24315
(D) Rs. 28000
Correct Answer : D
Explanation :
Answer: D) Rs. 28000 Explanation: Let the monthly salary of Shankar be = Rs.xAmount invested on expenditure = 25% = x/4;Remaning amount = 3x/4;Amount invested on children education = 20% i.e = 3x/20;Remaining amount = 3x/4 - 3x/20 = 3x/5;Remaining amount invested in three different schemes i.e is 1/3(3x/5) => x/5 = 5600Therefore x = 28000Hence, Monthly salary of Shankar is Rs. 28,000.
(A) sciophytes
(B) xerophytes
(C) heliophytes
(D) hydrophytes
Correct Answer : C
Explanation :
Answer: C) heliophytes Explanation:
(A) Neurogenic heart
(B) Myogenic heart
(C) Pulsating heart
(D) Ampullary heart
Correct Answer : B
Explanation :
Answer: B) Myogenic heart Explanation: Hearts are of several types. In some invertebrates the heart is simulated by the nervous system to do its work. Such hearts are called Neurogenic hearts. The Human heart is myogenic. i.e, it recieves the stimuli for contraction from the muscular node called sinu-auricular node or pace maker.
Which one of the following elements exhibits the greatest tendency to lose electrons?
(A) Fluorine
(B) Lithium
(C) Oxygen
(D) Zinc
Correct Answer : B
The planet which has the highest surface temperature is
(A) Jupiter
(B) Earth
(C) Pluto
(D) Venus
Correct Answer : D
The colour of the ocean appears to be blue because the sunlight falling on it is-
(A) Reflected
(B) Refracted
(C) Diffracted
(D) Scattered
Correct Answer : D
The basic structural and functional unit of living organisms is-
(A) Cell
(B) Tissue
(C) Organ
(D) Systems
Correct Answer : A
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enhttps://www.examsbook.com/top-1000-gk-questions/2410024top-1000-gk-questionsAbout author
Rajesh Bhatia
A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at linkedin.com/in/rajesh-bhatia-7395a015b/.
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