IIT JEE Practice Question and Answer
8Q: The granting of fundamental rights to citizens aims at ensuring ? 2924 05b5cc6cae4d2b4197774e010
5b5cc6cae4d2b4197774e010- 1Socialistic governmentfalse
- 2Individual libertytrue
- 3An Independent judiciaryfalse
- 4None of the abovefalse
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Answer : 2. "Individual liberty"
Explanation :
Answer: B) Individual liberty Explanation:
Q: Sound following a flash of lightning is called 2922 05b5cc67be4d2b4197774c1bd
5b5cc67be4d2b4197774c1bd- 1Stoningfalse
- 2Boltingfalse
- 3Thundertrue
- 4Cloud clashfalse
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Answer : 3. "Thunder"
Explanation :
Answer: C) Thunder Explanation: The Sound Following the flash of lighting is because of Thunder. Lightning is seen earlier than thunder because light travels much faster than sound. The roar of thunder is the result of a shock wave produced when lightning super-heats the air through which it passes, causing that air to expand very rapidly. This rapid expansion of air creates a shock wave that travels outward at close to the speed of sound.
Q: Which of the following statements about aldosterone is NOT correct? 2918 05b5cc65ee4d2b4197774bdfd
5b5cc65ee4d2b4197774bdfd- 1Aldosterone increases sodium reabsorption by increasing the number of Na+-K+ ATPase pumps in the luminal membrane of the proximal tubule.true
- 2Aldosterone is stimulated by decreased plasma sodium levels and increased plasma potassium levels.false
- 3Aldosterone is produced in the adrenal cortex.false
- 4Aldosterone increases the number of passive sodium channels in the luminal membrane of the distal tubule and collecting duct, thus aiding sodium reabsorption.false
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Answer : 1. "Aldosterone increases sodium reabsorption by increasing the number of Na+-K+ ATPase pumps in the luminal membrane of the proximal tubule."
Explanation :
Answer: A) Aldosterone increases sodium reabsorption by increasing the number of Na+-K+ ATPase pumps in the luminal membrane of the proximal tubule. Explanation: Aldosterone, the main mineralocorticoid hormone, is a steroid hormone produced by the zona glomerulosa of the adrenal cortex in the adrenal gland. It is essential for sodium conservation in the kidney, salivary glands, sweat glands and colon.
Q: Who invented Electric Generator? 2908 05b5cc6b9e4d2b4197774d74d
5b5cc6b9e4d2b4197774d74d- 1Michael Faradaytrue
- 2Thomas Alva Edisonfalse
- 3Graham Bellfalse
- 4Alfred Nobelfalse
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Answer : 1. "Michael Faraday"
Explanation :
Answer: A) Michael Faraday Explanation: Michael Faraday invented Electric Generator in 1831. The operating principle of electromagnetic generators was discovered in the years of 1831–1832 by Michael Faraday. The principle later called Faraday's law, is that an electromotive force is generated in an electrical conductor which encircles a varying magnetic flux.
Q: Which of these is a human disease caused by bacteria? 2908 05b5cc6a1e4d2b4197774caa4
5b5cc6a1e4d2b4197774caa4- 1TBtrue
- 2Ascariasisfalse
- 3Chickenpoxfalse
- 4Common coldfalse
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Answer : 1. "TB"
Explanation :
Answer: A) TB Explanation: Bacteria which causes disease are called Pathogenic Bacteria. TB is caused by bacteria. Some of the diseases caused by bacteria are:: 1. Tuberculosis, TB (affects the lungs) 2. Salmonella (causes food poisoning) 3. Whooping cough (affects the lungs) 4. Septic Sore Throat
Q: System Study involves 2906 05b5cc69be4d2b4197774c7d9
5b5cc69be4d2b4197774c7d9- 1documenting the existing systemfalse
- 2identifying current deficiencies and establishing new goalsfalse
- 3study of an existing systemfalse
- 4All the abovetrue
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Answer : 4. "All the above"
Explanation :
Answer: D) All the above Explanation:
Q: Given that on 9th August 2016 is Saturday. What was the day on 9th August 1616 ? 2905 05b5cc6d3e4d2b4197774e4af
5b5cc6d3e4d2b4197774e4af- 1Saturdaytrue
- 2Sundayfalse
- 3Fridayfalse
- 4Mondayfalse
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Answer : 1. "Saturday"
Explanation :
Answer: A) Saturday Explanation: We know that, After every 400 years, the same day occurs.Thus, if 9th August 2016 is Saturday, before 400 years i.e., on 9th August 1616 has to be Saturday.
Q: Which one of the following is used to induce artificial rain ? 2904 05b5cc70be4d2b4197774f32a
5b5cc70be4d2b4197774f32a- 1Potassium Nitratefalse
- 2Ammonium chloridefalse
- 3Calcium carbonatefalse
- 4Silver lodidetrue
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Answer : 4. "Silver lodide"
Explanation :
Answer: D) Silver lodide Explanation: