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JCECE Previous Year Question Paper – All Sample Paper PDF with Solution

JCECE Previous Year Question Paper

JCECE Previous Year Question PaperMany had just gone through the pattern of JCECE Exam and think they can solve the exam but it’s not like that. You need JCECE Previous Year Question Paper to solve the JCECE Exam Paper 2017 easily. Student, who are seeking for admission into undergraduate engineering, medical and agricultural programs, must download JCECE Sample Paper with Solution in the form of PDF from here.

Jharkhand Combined Entrance Competitive Examination board (JCECEB) conducts Jharkhand Combined Entrance Competitive Examination for admission in various courses. The exam will have three sections, Physics, Chemistry, Mathematics or Biology depending on the discipline you are applying for. We the team of www.recruitmentinboxx.com is providing JCECE Model Paper below, so please solve it before appearing exam.

JCECE Previous Year Question Paper

Q1- An amplifier has a Rin = 1.2 k. The coupling capacitor is 1 F. Determine the approximate lower cutoff frequency.

  1. 133 Hz
  2. 33 kHz
  3. 3 kHz
  4. 133 kHz

Ans. A

Q2- The friction experienced by a body, when in motion, is known as

  1. Rolling Friction
  2. Dynamic Friction
  3. Limiting Friction
  4. Static Friction

Ans. B

Q3- Euler’s formula holds good only for

  1. Short Columns
  2. Long Columns
  3. Both Short And Long Columns
  4. Weak Columns

Ans. B

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Q4- A roll-off of 20 dB per decade is equivalent to a roll-off of ________ per octave.

  1. 3 dB
  2. 13 dB
  3. 12 dB
  4. 6 dB

 Ans. D

Q5- Two balls of equal mass and of perfectly elastic material are lying on the floor. One of the ball with velocity v is made to struck the second ball. Both the balls after impact will move with a velocity

  1. v
  2. v/2
  3. v/4
  4. v/8

Ans. B

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Q6- Strain energy is the

  • Energy Stored In A Body When Strained Within Elastic Limits
  • Energy Stored In A Body When Strained Upto The Breaking Of A Specimen
  • Maximum Strain Energy Which Can Be Stored In A Body
  • Proof Resilience per unit volume of a material

Ans. A

Q7- The amount of CSF in the cranial cavity

  1. 500 ml
  2. 140 ml
  3. 1 litre
  4. 5 ml

Ans. B

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Q8- Electric potential of the brain is recorded by

  1. CT Scan
  2. Sphygmomanometer
  3. ECG
  4. EEG

Ans. D

Q9- The cause of cretinism is

  1. Hypothyroidism
  2. Hypoparathyroidism
  3. Hyperthyroidism
  4. Hyperparathyroidism

Ans. A

Q10- In 24 hours, total glomerular filtrate formed in human kidney is

  1. 7 litres
  2. 7 litres
  3. 17 litres
  4. 170 litres

Ans. D

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Q11- Which one of the following bacterium is used for production of transgenic plants ?

  1. Escherichia coli
  2. Bacillus thuringiensis
  3. Staphylococcus aureus
  4. Agrobacterium tumefaciens

Ans. D

Q12- Kupffer’s cells are

  1. Phagocytic
  2. Mast cells
  3. Hormone secreting
  4. Digestive juice secreting

Ans. A

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Q13- Movement of tongue muscle is controlled by

  1. facial nerve
  2. trigeminal nerve
  3. hypoglossal nerve
  4. vagus nerve

Ans. C

Q14- Amount of oxalic acid present in a solution can be determined by its titration with KMnO4solution in the presence of H2SO4. The titration gives unsatisfactory result when carried out in the presence of HCl, because HCl

  1. Reduces Permanganate To Mn2+.
  2. Oxidises Oxalic Acid To Carbon Dioxide And Water.
  3. Gets Oxidised By Oxalic Acid To Chlorine.
  4. Furnishes H+ Ions In Addition to those from oxalic acid.

Ans. A

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Q15- Among the following substituted silanes the one which will give rise to cross linked silicone polymer on hydrolysis is

  1. R2SiCl2
  2. R3SiCl
  3. R4Si
  4. RSiCl3

Ans. D

Q16- Phenol, when it first reacts with concentrated sulphuric acid and then with concentrated nitric acid, gives

  1. p-nitrophenol
  2. o-nitrophenol
  3. 2,4,6-trinitrobenzene
  4. nitrobenzene

Ans. B

Q17- Toluene is nitrated and the resulting product is reduced with tin and hydrochloric acid. The product so obtained is diazotized and then heated with cuprous bromide. The reaction mixture so formed contains:

  1. mixture of o-; and p-bromoanilines
  2. mixture of o- and m-bromotoluenes
  3. mixture of o- and p-bromotoluenes
  4. mixture of o- and p-dibromobenzenes

Ans. C

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Q18- At 800 C, the vapour pressure of pure liquid ‘A’ is 520 mm Hg and that of pure liquid ‘B’ is 1000 mm Hg. If a mixture solution of ‘A’ and ‘B’ boils at 800 C and 1 atm pressure, the amount of ‘A’ in the mixture is (1 atm = 760 mm Hg)

  1. 48 mol percent
  2. 50 mol percent
  3. 52 mol percent
  4. 34 mol percent

Ans. B

Q19- In context with the industrial preparation of hydrogen from water gas (CO + H2), which of the following is the correct statement?

  1. H2 is removed through occlusion with Pd.
  2. CO is oxidised to CO2 with steam in the presence of a catalyst followed by absorption of CO2in alkali.
  3. CO and H2are fractionally separated using differences in their densities.
  4. CO is removed by absorption in aqueous Cu2Cl2solution.

Ans. B

Q20- The pKa of a weak acid, HA is 4.80. The pKb of a weak base, BOH, is 4.78. The pH of an aqueous solution of corresponding salt, BA, will be

  1. 01
  2. 22
  3. 58
  4. 79

Ans. A

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2 comments

  1. I couldn’t refrain from commenting. Well written!

  2. where is the question paper, here is only 20 ques..!!

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