MCQ Questions

MCQ on Hydrogen Bonding

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MCQ on Hydrogen Bonding for NEET

NEET  Chemistry is the scoring paper in the medical entrance examination. Here, you will discover the NEET Chemistry MCQ Questions for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Chemistry objective questions on air pollution and improve your subject knowledge & problem-solving skills along with time management. NEET Chemistry Hydrogen Bonding Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.

MCQs on Hydrogen Bonding

1. Which one of the following is not an isotope of hydrogen?
(a) Deuterium
(b) Tritium
(c) Ortho hydrogen
(d) None of these

Answer

Answer: (c)

2. Out of the two allotropic forms of dihydrogen, the form with lesser molecular energy is
(a) ortho
(b) meta
(c) para
(d) All have the same energy

Answer

Answer: (c)

3. Non-stoichiometric hydrides are produced by
(a) palladium, vanadium
(b) manganese, lithium
(c) nitrogen, fluorine
(d) carbon, nickel

Answer

Answer: (a)

4. The boiling point of water is exceptionally high because
(a) there is a covalent bond between H and O
(b) water molecule is linear
(c) water molecules associate due to hydrogen bonding
(d) water molecules are not linear

Answer

Answer: (c)

5. Hydrogen can behave as a metal
(a) at very high temperature
(b) at very low temperature
(c) at very high pressure
(d) at very low pressure

Answer

Answer: (c)

6. When two ice cubes are pressed over each other, they unite to form one cube. Which of the following forces is responsible to hold them together?
(a) hydrogen bond formation
(b) van der Waals forces
(c) covalent attraction
(d) ionic interaction

Answer

Answer: (a)

7. Hydrogen will not reduce
(a) heated cupric oxide
(b) heated ferric oxide
(c) heated stannic oxide
(d) heated aluminium oxide

Answer

Answer: (d)

8. Which is true about different forms of hydrogen?
(a) ortho hydrogen has same spins of two nuclei clockwise or anticlockwise
(b) Para hydrogen has different spins of two nuclei
(c) At absolute zero temperature, there is a 100% para form and at high temperature, there is 75% ortho form
(d) all are correct

Answer

Answer: (d)

9. The reagent commonly used to determine hardness of water titrimetrically is
(a) oxalic acid
(b) sodium thiosulphate
(c) sodium citrate
(d) disodium salt of EDTA

Answer

Answer: (d)

10. Metal which does not react with cold water but evolves H2 with steam is
(a) Na
(b) K
(c) Pt
(d) Mg

Answer

Answer: (d)

Optical Instrument MCQs For NEET

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Optical Instrument MCQs For NEET

NEET  Physics is the scoring paper in the medical entrance examination. Here, you will discover the NEET Physics MCQ Questions for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Physics objective questions on air pollution and improve your subject knowledge & problem-solving skills along with time management. NEET Physics Optical Instrument Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.

MCQs on Optical Instrument

1. A lens which converges a beam of parallel rays to a point is called
(a) Diverging (or concave) lens
(b) Converging (or convex) lens
(c) Plano concave lens
(d) Plano-convex lens

Answer

Answer: (b) Converging (or convex) lens

2. The diameter of a lens is called
(a) Focal length
(b) Principle axis
(c) Aperture
(d) Radius of curvature

Answer

Answer: (c) Aperture

3. In going from a denser to rarer medium a ray of light is
(a) Undeviated
(b) Bent away from the normal
(c) Bent towards the normal
(d) polarised

Answer

Answer: (b) Bent away from the normal

4. The power of a concave lens is
(a) Real
(b) Virtual
(c) Positive
(d) negative

Answer

Answer: (d) negative

5. Magnifying power of a simple microscope
(a) Increases with increase in focal length
(b) Increases with the decrease in focal length
(c) No effect with decrease or increase with the focal length
(d) Least distance of distinct vision

Answer

Answer: (b) Increases with the decrease in focal length

6. Magnification of astronomical telescope is
(a) f0 + fe
(b) f0/fe
(c) fe/f0
(d) (1+f0/fe)L/f0

Answer

Answer: (b) f0/fe

7. The magnifying power of an astronomical telescope is 10 and the focal length of its eye-piece is 20 cm. The focal length of its objective will be
(a) 200 cm
(b) 2 cm
(c) 0.5 cm
(d) 0.5 x 10–2 cm

Answer

Answer: (a) 200 cm

8. The magnifying power of a telescope is 9. When it is adjusted for parallel rays, the distance between the objective and the eye-piece is found to be 20 cm. The focal lengths of the lenses are
(a) 18 cm, 2 cm
(b) 11 cm, 9 cm
(c) 10 cm, 10 cm
(d) 15 cm, 5 cm

Answer

Answer: (a) 18 cm, 2 cm

9. In a compound microscope, magnifying power is 95 and the distance of the object from the objective lens is 1/38 cm. The focal length of the objective lens ¼ cm. What is the magnification of eyepiece?
(a) 5
(b) 10
(c) 100
(d) 200

Answer

Answer: (a) 5

10. A hypermetropic person having “near point” at a distance of 0.75 m puts on spectacles of power 2.5 D. The “near point” now is at
(a) 0.75 m
(b) 0.83 m
(c) 0.26 cm
(d) 0.26 m

Answer

Answer: (d) 0.26 m

MCQ on Chemistry in Everyday Life

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MCQ on Chemistry in Everyday Life for NEET

NEET  Chemistry is the scoring paper in the medical entrance examination. Here, you will discover the NEET Chemistry MCQ Questions for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Chemistry objective questions on air pollution and improve your subject knowledge & problem-solving skills along with time management. NEET Chemistry Chemistry in Everyday Life Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.

MCQs on Chemistry in Everyday Life

1. Chloramine-T is an
(a) disinfectant
(b) antiseptic
(c) analgesic
(d) antipyretic

Answer

Answer: (a)

2. Benzalkonium chloride is a
(a) cationic surfactant and antiseptic
(b) anionic surfactant and soluble in most of the organic solvents
(c) cationic surfactant and insoluble in most organic solvents.
(d) cationic surfactant and antimalarial

Answer

Answer: (a)

3. Interferon is connected with
(a) tonic
(b) virus
(c) carbohydrate
(d) ore of iron

Answer

Answer: (b)

4. Ibuprofen contains
(a) only S-enantiomer
(b) only R-enantiomer
(c) the racemic mixture of both R and S enantiomer
(d) both R and S enantiomers are active pain killers

Answer

Answer: (c)

5. Which of the following is a hypnotic drug?
(a) luminal
(b) salol
(c) catechol
(d) chemisol

Answer

Answer: (a)

6. Detergents are prepared by the action of H2SO4 on which of the following?
(a) cholesterol
(b) Lauryl alcohol
(c) Cyclohexanol
(d) p-Nitrophenol

Answer

Answer: (b)

7. Which of the following will not act as an antacid?
(a) sodium hydrogen carbonate
(b) magnesium hydroxide
(c) sodium carbonate
(d) aluminium carbonate

Answer

Answer: (c)

8. The main cause of acidity in the stomach is
(a) release of extra gastric acids which decrease the pH level
(b) indigestion and pain in the large intestine
(c) increase the pH level in the stomach
(d) release of extra bile juice which increases alkaline medium in the stomach

Answer

Answer: (a)

9. Chloramphenicol is
(a) broad spectrum antibacterial
(b) broad spectrum analgesic
(c) broad spectrum antibiotic
(d) narrow spectrum antibiotic

Answer

Answer: (c)

10. One of the most widely used drugs in medicine iodex is
(a) methyl salicylate
(b) ethyl salicylate
(c) acetyl salicylic acid
(d) o-hydroxy benzoic acid

Answer

Answer: (a)

Polymers MCQ

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Polymers MCQ for NEET

NEET  Chemistry is the scoring paper in the medical entrance examination. Here, you will discover the NEET Chemistry MCQ Questions for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Chemistry objective questions on air pollution and improve your subject knowledge & problem-solving skills along with time management. NEET Chemistry Polymers Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.

MCQs on Polymers

1. Nylon threads are made of
(a) polyester polymer
(b) polyamide polymer
(c) polyethylene polymer
(d) polyvinyl polymer

Answer

Answer: (b)

2. Which of the following is a branched polymer?
(a) low density polymer
(b) polyester
(c) high density polymer
(d) nylon

Answer

Answer: (a)

3. On the basis of mode of formation polymers can be classified:
(a) as addition polymers only
(b) as condensation polymers only
(c) as copolymers
(d) as addition and condensation polymers

Answer

Answer: (d)

4. The process of heat softening, moulding and cooling to rigidness can be repeated for which plastics?
(a) thermoplastics
(b) thermosetting plastics
(c) both (a) and (b)
(d) neither (a) nor (b)

Answer

Answer: (a)

5. The polymer used in making hair synthetic hair wigs is mage up of
(a) CH2=CHCl
(b) CH2=CHCOOCH3
(c) C6H5CH=CH2
(d) CH2=CH-CH=CH2

Answer

Answer: (a)

6. Which of the following monomers form biodegradable polymers?
(a) 3-hydroxybutanoic acid + 3-hydroxypentanoic acid
(b) Glycine + amino caproic acid
(c) ethylene glycol + phthalic acid
(d) both a and b

Answer

Answer: (d)

7. In addition polymer, monomer used is
(a) unsaturated compounds
(b) saturated compounds
(c) bifunctional saturated compounds
(d) trifunctional saturated compounds

Answer

Answer: (a)

8. Polymer formation from monomer starts by
(a) the condensation reaction between monomers
(b) the coordinate reaction between monomers
(c) conversion of monomer to monomer ions by protons
(d) hydrolysis of monomers

Answer

Answer: (a)

9. Which of the following statements is not correct for fibres?
(a) Fibres possess high tensile strength and high modulus
(b) Fibres impart crystalline nature
(c) Characteristic features of fibres are due to strong intermolecular forces like hydrogen bonding
(d) All are correct

Answer

Answer: (d)

10. Which of the following does not undergo additional polymerization?
(a) vinyl chloride
(b) butadiene
(c) styrene
(d) all of the above undergoes addition polymerizations

Answer

Answer: (d)

Organic compounds containing Nitrogen mcq

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Organic compounds containing Nitrogen mcq for NEET

NEET  Chemistry is the scoring paper in the medical entrance examination. Here, you will discover the NEET Chemistry MCQ Questions for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Chemistry objective questions on air pollution and improve your subject knowledge & problem-solving skills along with time management. NEET Chemistry Organic compounds containing Nitrogen Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.

MCQs on Organic compounds containing Nitrogen

1. Acetamide can be converted to methenamine by which of the following reactions?
(a) Stephen’s reaction
(b) Hoffmann bromamide reaction
(c) Carbylamine reaction
(d) Gabriel phthalimide synthesis

Answer

Answer: (b)

2. An aldehyde on reaction with primary amine forms
(a) ketone
(b) Schiff’s base
(c) aromatic acid
(d) carboxylic acid

Answer

Answer: (b)

3. Benzene-diazonium chloride on reaction with phenol in weakly basic medium gives
(a) Diphenyl ether
(b) p-hydroxyazobenzene
(c) Chlorobenzene
(d) Benzene

Answer

Answer: (b)

4. Which one of the following does not contain the -COOH group?
(a) Picric acid
(b) Aspirin
(c) Benzoic acid
(d) Ethanoic acid

Answer

Answer: (a)

5. C3H9N  can have how many structural isomers?
(a) 2
(b) 3
(c) 4
(d) 5

Answer

Answer: (c)

6. Products formed when Nitrobenzene reacts with HNO3/H2SO4 at 80-100°C
(a) 1, 4-Dinitrobenzene
(b) 1, 2, 4-Trinitrobenzene
(c) 1, 2-Dinitrobenzene
(d) 1, 3-Dinitrobenzene

Answer

Answer: (d)

7. Benzene forms Nitrobenzene on reaction with conc. HNO3/H2SO4, in the reaction HNO3 acts as a 
(a) catalyst
(b) reducing agent
(c) base
(d) acid

Answer

Answer: (c)

8. The bad-smelling substance formed by the action of alcoholic caustic potash on chloroform and aniline is
(a) Phenyl Isocyanide
(b) Nitrobenzene
(c) Chloropicrin
(d) Acetylene

Answer

Answer: (a)

9. Which of the following compound will form secondary amine on reaction with LiAlH4?
(a) Methyl cyanide
(b) Methyl isocyanide
(c) Acetamide
(d) Nitroethane

Answer

Answer: (b)

10. Find the compound which is more basic than aniline
(a) Diphenylamine
(b) Triphenylamine
(c) Benzylamine
(d) p-Nitroaniline

Answer

Answer: (c)

Muscular Dystrophy Questions With Answers

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Muscular Dystrophy MCQs for NEET

NEET Biology is the scoring paper in the medical entrance examination. Here, you will discover the NEET Biology MCQ Questions for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution and improve your subject knowledge & problem-solving skills along with time management. NEET Biology Muscular Dystrophy Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.

MCQs on Muscular Dystrophy

1. One of the ways scientists suggest to find a treatment for muscular dystrophy is
(a) replacing muscles
(b) create customized diets for them to be healthier and stronger
(c) attempt to correct defective genes so it creates the right proteins
(d) none of these

Answer

Answer: (c)

2. Define muscular dystrophy
(a) Diseases which destruct the muscles of the body
(b) diseases which cause the muscles to get disproportionate
(c) born with too many or too little muscles
(d) diseases which do not allow muscles to grow

Answer

Answer: (a)

3. Muscular dystrophy can affect
(a) Only humans
(b) Only animals
(c) Both animals and humans
(d) Only plants

Answer

Answer: (c)

4. Another way that scientists propose as a treatment to cure muscular dystrophy is
(a) Removal of defective genes
(b) Replacing defective genes after removing with parents genes again
(c) Discovering chemicals which can substitute the missing chemical
(d) none of these

Answer

Answer: (c)

5. _____________ is not a form of muscular dystrophy
(a) Lunar dystrophy
(b) Myotonic dystrophy
(c) Duchenne muscular dystrophy
(d) Facioscapulohumeral dystrophy

Answer

Answer: (a)

6. The protein whose production gets affected in Duchenne muscular dystrophy is
(a) Actin
(b) Myotropin
(c) Dystrophin
(d) Leucovorin

Answer

Answer: (c)

7. The gene responsible for causing Duchenne muscular dystrophy is found on
(a) Y chromosome
(b) X chromosome
(c) Autosomal chromosome number 5
(d) Autosomal chromosome number 8

Answer

Answer: (b)

8. The enzyme, whose blood levels is increased in patients with Duchenne muscular dystrophy is
(a) Carbonic anhydrase
(b) Dystrophin kinase
(c) Adenosine triphosphate
(d) Creatinine phosphokinase

Answer

Answer: (d)

9. Duchenne muscular dystrophy can be cured with
(a) Allopurinol
(b) Creatinine phosphokinase inhibitors
(c) Corticosteroids
(d) None of these

Answer

Answer: (d)

10. The involvement of this muscle affects the breathing in Duchenne muscular dystrophy
(a) Triceps
(b) Biceps
(c) Diaphragm
(d) Quadriceps

Answer

Answer: (c)