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Arihant General Studies English

Q21.In mitochondria, ATP synthesising chemical reactions take place in the

Aouter membrane NDA 2021 (I) Bmatrix Cinner membrane DDNA of mitochondria

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Arihant General Studies English

Q22.Movement of materials to different parts of cytoplasm and nucleus is generally carried out by NDA 2021 (I)

ARibosomes BMitochondria CLysosomes DEndoplasmic reticulum

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Arihant General Studies English

Q23.A heavy body and a light body have equal kinetic energy. Then WBCS 2021

Aheavy body has greater momentum. Blight body has greater momentum. Cboth have equal momentum. Dboth have same angular momentum.

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Arihant General Studies English

Q24.Botulism is UPPSC 2021

AFood-borne infection BFood-borne intoxication CWater-borne infection DWater-borne intoxication

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Arihant General Studies English

Q25.‘Blue baby syndrome’ is due to the presence of which of the following in the blood? UPPSC 2021

AHaemoglobin BMethemoglobin CLead DNitrate

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Arihant General Studies English

Q26.The blood glucose level is commonly expressed as UPPSC 2021

AMM of Hg BMilligram per decilitre CParts per million DGram per litre

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Arihant General Studies English

Q27.A clove represents to which of the following? UPPSC 2021

ATerminal bud BAccessory bud CFlower bud DVegetative bud

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Arihant General Studies English

Q28.Nucleic acid present in corona virus is

ADeoxyribonucleic acid OPSC 2021 BOxyribonucleic acid CRibonucleic acid DChromatin

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Arihant General Studies English

Q29.Biochemical oxygen demand of water is a measure of OPSC 2021

AWater nitrate level BWater phosphate level CWater organic load DWater pesticide load

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Arihant General Studies English

Q30.Which of the following gases is released in the process of photosynthesis? SSC (CHSL) 2021

ANitrous dioxide BCarbon dioxide COxygen DNitrogen Biology

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Arihant General Studies English

Q31.Which of the following gases is naturally formed via the anaerobic decay of phosphorus containing organic matter? SSC (CGL) 2020

APerchloryl fluoride BPhosphorus pentafluoride CPhosphine DPhosgene

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Arihant General Studies English

Q32.The Periodic Law as we know it today owes its development to

AJJ Thomson SSC (CGL) 2020 BNiels Bohr CErnest Rutherford DDmitri Mendeleev

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Arihant General Studies English

Q33.Which one of the following metals produces hydrogen with cold water? Asst. Commandant 2021

ASilver BSodium CCopper DIron

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Arihant General Studies English

Q34.Which one of the following metals does not react with oxygen, water or acids? Asst. Commandant 2021

ANa BCu CFe DAu

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Arihant General Studies English

Q35.Packets of potato chips are usually flushed with which one of the following gases to prevent rancidity? Asst. Commandant 2021

ACarbon dioxide BHydrogen CNitrogen DOxygen

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Arihant General Studies English

Q36.What are the constituents of alloy solder? CDS 2021 (II)

APb and Zn BPb and Sn CPb and Si DPb and Co

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Arihant General Studies English

Q37.What is the name of the process that converts sulphide ores into oxides by heating strongly in the presence of excess air? CDS 2021 (II)

ACalcination BRoasting· CSmelting DIncineration

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Arihant General Studies English

Q38.When copper reacts with moist carbon dioxide (CO2) in air, it forms a green coating of which one of the following compounds? CDS 2021 (II)

ACupric carbonate BCuprous oxide CCupric oxide DCopper sulphate

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Arihant General Studies English

Q39.Fertilizers are used to obtain higher yields of crops. However, all nutrients are usually not available in fertilizers. Which one of the following nutrients is usually not available in fertilizers? CDS 2021 (II)

AIron BPotassium CNitrogen DPhosphorus

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Arihant General Studies English

Q40.Which one of the following materials is present in a guard tube (drying tube) that is used for preparation of HCl gas? CDS 2021 (II)

ACalcium chloride BCalcium bromide CCalcium iodide DCalcium fluoride

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