13IOM 2010

Q1.
When \(NH_4Cl\) is added to \(NH_4OH\), its pH:
📅IOM 2010
Q2.
The number of molecules of \(CaCO_3\) that remains when 1 mole of \(CaCO_3\) is allowed to react with 1 mole of \(HCl\) are:
📅IOM 2010
Q3.
60 gm of compound on analysis produced 24gm carbon, 4 gm hydrogen and 32 gm oxygen. The empirical formula of compound is:
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Q4.
Oxone which is used to bleach delicate fiber is a mixture of:
📅IOM 2010
Q5.
In the reaction: \(KMnO_4 (aq) + H_2SO_4 → MnSO_4 (aq) + K_2SO_4 (aq) + H_2O(l) + O_3(g)\), Mn is:
📅IOM 2010
Q6.
Both phenol and ethyl alcohol contain -OH group but phenol is much acidic than ethyl alcohol due to the:
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Q7.
When ethyl alcohol is heated with excess of concentrated sulphuric acid at about 160-170°C, it produces:
📅IOM 2010
Q8.
Calomel is:
📅IOM 2010
Q9.
How many moles of \(CO_2\) are present in 220 g of it.
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Q10.
Chlorine acts as a bleaching agent in the presence of?
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Q11.
Nature of bond formed when two elements react depend upon:
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Q12.
Aqueous solution of \(SO_2\) reacts with \(H_2S\) to precipitate sulphur. Here \(SO_2\) acts as:
📅IOM 2010
Q13.
The reaction at cathode during the electrolysis of aqueous solution of \(NaCl\) is:
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Q14.
If the rate of reaction becomes twice for every 10°C rise in temperature, by what factor rate of reaction increases when temperature is increased from 25°C to 75°C?
📅IOM 2010
Q15.
Rusting of iron in moist air involves:
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Q16.
\(CHCl_3\) is stored in dark coloured bottles, because:
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Q17.
Liquor poisoning is due the presence of:
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Q18.
A sample of water from a well in Terai contains 0.1gm Arsenic per litre. What is the concentration of Arsenic in ppm?
📅IOM 2010
Q19.
When two atoms of hydrogen combine to form a molecule of hydrogen gas. The energy of the molecule is:
📅IOM 2010
Q20.
Dehydration of ethanol yields:
📅IOM 2010
Q21.
The atomic number of Nitrogen is 7 and the atomic number of Oxygen is 8. The total number of electrons in a Nitrate ion (\(NO_3^{2-}\)) is:
📅IOM 2010
Q22.
When \(C_2H_5OH\) is treated with acidic \(K_2Cr_2O_7\) it forms \(CH_3CHO\). It is an example of:
📅IOM 2010
Q23.
The atomic number of Nitrogen is 7 and the atomic number of Oxygen is 8. The total number of electrons in a Nitrate ion (\(NO_3^{-1}\)) is:
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Q24.
One kilogram of water contains 4gm of \(NaOH\). The concentration of the solution is best expressed as:
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Q25.
Which of the following has highest boiling point:
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Q26.
If one mole of methane is converted into products, then which one of the following statement is true?
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Q27.
Which one of the following complex compound has an incorrect formula?
📅IOM 2010
Q28.
Which of the following are Isomers?
📅IOM 2010
Q29.
A solution of Sodium in liquid Ammonia is blue due to the presence of:
📅IOM 2010
Q30.
Which of the following electronic configuration given for some neutral atoms would be expected to have highest second ionization energy \(IE_2\)?
📅IOM 2010
Q31.
When temperature of gas is increased its viscosity:
📅IOM 2010
Q32.
The maximum wavelengths, emitted by the sun at the temperatures (in Kelvin) T1, T2 and T3 are 650 nm, 580 nm and 350 nm respectively. Which one of the following is correct?
📅IOM 2010
Q33.
Two ebonite rods A and B of radii 1.5cm and 2cm respectively are rubbed together. The result will be:
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Q34.
Power of ionization of a gamma particle is:
📅IOM 2010
Q35.
Activity of 1.85×1012 disintegration per second is nearly equivalent to:
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Q36.
The specific gravity of sugar is 1.59. Which is its correct density in S.I. system?
📅IOM 2010
Q37.
If a baseball player can throw a ball to maximum distance = d over a ground, what is the maximum vertical height to which he can throw it? (Assume same initial speed):
📅IOM 2010
Q38.
When an elastic material with Young's modulus 'Y' is subjected to a stretching stress 'S', the elastic energy stored per unit volume is:
📅IOM 2010
Q39.
Two drops of water having same radius moving in air downwards with constant velocity v. If the drops coalesced, what will be the new velocity:
📅IOM 2010
Q40.
The radius of hydrogen atom in the ground state is 0.53 Å. After excitation, it is found that this radius increases to 2.12 Å. The value of principal quantum number will be:
📅IOM 2010
Q41.
What is the value of -40 Fahrenheit in Celsius scale?
📅IOM 2010
Q42.
What is the potential drop across an electric hot plate which draws 5 A when it is hot and resistance is 24Ω?
📅IOM 2010
Q43.
A refrigerator has to transfer an average of 263J of heat per second from -10°C to 25°C. The average power consumed by the refrigerator is:
📅IOM 2010
Q44.
A tube closed at one end containing air when excited produces the fundamental note of frequency 512 Hz. If the tube is open at both ends the fundamental frequency that can be excited is:
📅IOM 2010
Q45.
The pendulum of clock is made of brass. If the clock keeps correct time at 20°C, how many seconds per day will it lose at 35°C? (αbrass = 2×10-5 °C-1)
📅IOM 2010
Q46.
A body cools down from 65°C to 60°C in 5 minutes. It will cool down 60°C to 55°C in:
📅IOM 2010
Q47.
An object is placed at a distance 'u' from a simple microscope of focal length 'f'. The angular magnification obtained depends:
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Q48.
A parallel plate capacitor is charged and the charging battery is then disconnected. If the plates are moved further apart:
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Q49.
A thin stream of water from a tap is attracted by placing a rod near it. The rod is:
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Q50.
If the current in an electric bulb drops by 2%, the power decreases by:
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Q51.
Keratinized stratified squamous epithelium is found in:
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Q52.
Histamine is secreted by:
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Q53.
Nematocysts in hydra paralyze prey by secreting a poisonous substance called:
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Q54.
Glucagon is a hormone secreted from:
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Q55.
Elongated muzzle and backwardly inverted spines in the Porcupine are the characteristics of:
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Q56.
Skeleton and muscles in a vertebrate embryo develop from:
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Q57.
The most dangerous species of Plasmodium is:
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Q58.
Graafian follicles are found in:
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Q59.
The bone of mammals contains longitudinal Haversian canals, which are connected by transverse canals called:
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Q60.
Which animal has a free living mode of feeding or nutrition?
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Q61.
Which animal Phylum has the characteristic of polymorphism?
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Q62.
Which class of the Phylum Platyhelminthes has been assigned to Schistosoma?
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Q63.
Water vascular system is a characteristic feature of the Phylum:
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Q64.
The right auriculo-ventricular aperture in rabbit is guarded by:
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Q65.
Rete testis is part of:
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Q66.
Gigantism is caused due to hypersecretion of:
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Q67.
Reflex action is exhibited by:
📅IOM 2010
Q68.
Which one of the following is an echinoderm?
📅IOM 2010
Q69.
Syngamy occurs during the formation of:
📅IOM 2010
Q70.
During hibernation and aestivation, the respiration in frog is:
📅IOM 2010
Q71.
Serum is:
📅IOM 2010
Q72.
Carrier of genetic information is:
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Q73.
Which primate is the closest relative of man?
📅IOM 2010
Q74.
'Dengue Fever' is caused by the bite of:
📅IOM 2010
Q75.
The total duration of cardiac cycle is:
📅IOM 2010
Q76.
Hormone which regulates metamorphosis of tadpole is:
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Q77.
Octopus belongs to:
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Q78.
Blastopore in the vertebrates develop into:
📅IOM 2010
Q79.
Anadromous fishes move from:
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Q80.
Organ of Corti cells are related with:
📅IOM 2010
Q81.
In a flowering plant when pollen grains of a flower are transferred to the stigma of another flower on the same plant, it is known as:
📅IOM 2010
Q82.
The element that is not very mobile and remains fixed to mitochondria and chlorophyll is:
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Q83.
The nitrifying bacteria convert:
📅IOM 2010
Q84.
Which group of plants assimilates maximum CO2 annually by means of photosynthesis?
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Q85.
Polymerase chain reaction (PCR) is used for:
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Q86.
Every carbohydrate is:
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Q87.
Totipotency refers to the:
📅IOM 2010
Q88.
The process of chain elongation of amino acids during protein synthesis is called:
📅IOM 2010
Q89.
The bacteria which grow best as aerobes but can grow without oxygen also are:
📅IOM 2010
Q90.
The molecular similarities in the structure of DNA, RNA and comparable proteins help:
📅IOM 2010
Q91.
The sporangia of fern develop on:
📅IOM 2010
Q92.
Agaricus the edible mushroom belongs to:
📅IOM 2010
Q93.
Which of the following is parasitic form of algae?
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Q94.
The end product of glycolysis in plant is:
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Q95.
Viruses have:
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Q96.
Water rises through the xylem mainly by:
📅IOM 2010
Q97.
Which of the following is used in industrial preparation of ethanol?
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Q98.
Lichens represent symbiosis between:
📅IOM 2010
Q99.
Viviparous germination can be observed in:
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Q100.
Which one of the following group of plants is devoid of true nucleus?
📅IOM 2010