NSEJS PREVIOUS PAPERS 2009-2010

In this post, you will get NSEJS Previous Papers 2009-2010. NSEJS is the first phase of IJSO, it is organized by the IAPT with HBCSE. The full form of NSEJS is National Standard Examination in Junior Science. 

PART A : Only ONE out of four options is correct

Read More : 129 Maths Short Tricks

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NSEJS Previous Papers 2009-2010 Ques No 1:

A beaker containing water is placed on the platform of a digital weighting machine. It reads 1100 g. A metal body of density 8 g/cc and mass 200 g is suspended in water in the beaker (without touching the walls of the beaker). It is attached by a suitable string fixed to some support. Now the reading of weighting machine will be

Options:

A. 1100 g

B. 1125 g

C. 1275 g

D. 1300 g

NSEJS Previous Papers 2009-2010 Ques No 2:

The sum of all natural numbers less than 400 which are not divisible by 6, is

Options:

A. 13266

B. 66534

C. 79800

D. 93066

NSEJS Previous Papers 2009-2010 Ques No 3:

In the figure shown, the bigger circle has radius 1 unit, Therefore, the radius of smaller circle must be

Options:

A. Root(2) + 1

B. 1/2

C. 1/Root(2)

D. 1/(Root(2) + 1)

NSEJS Previous Papers 2009-2010 Ques No 4:

Three containers A, B and C of equal volume contain N₂, NO₂ and CO₂ respectively at the same temperature and pressure. The ascending order of their masses is

Options:

A. A, C, B

B. C, A, B

C. B, C, A

D. C, B, A

NSEJS Previous Papers 2009-2010 Ques No 5:

A 3.7 litre 1.0 M NaOH solution is mixed with another 5 litre 0.30 M NaOH solution. The molarity of the resulting solution is

Options:

A. 0.80 M

B. 0.10 M

C. 0.73 M

D. 0.59 M

NSEJS Previous Papers 2009-2010 Ques No 6:

The animal body is found of many cells, but the cells shows no coordination to form tissues in

Options:

A. protozoans

B. coeloterates

C. sponges

D. flat worms

NSEJS Previous Papers 2009-2010 Ques No 7:

An indicator of SO2 pollution is

Options:

A. moss

B. lichens

C. algae

D. pteridophytes

NSEJS Previous Papers 2009-2010 Ques No 8:

The one that CANNOT be used for DNA fingerprint is

Options:

A. leucocytes

B. crythocytes

C. hair bulls

D. sperms

NSEJS Previous Papers 2009-2010 Ques No 9:

A rainbow has circular shape because

Options:

A. the earth is spherical

B. rain drops are spherical

C. the sun is spherical

D. None of these

NSEJS Previous Papers 2009-2010 Ques No 10:

An observer in a car P moving towards north with speed v observes that another car Q is moving towards east with the same speed v. The true velocity of Q is

Options:

A. v towards east

B. v(2)^(1/2) towards north-east

C. v towards south east

D. v(2)^(1/2) towards south-east

NSEJS Previous Papers 2009-2010 Ques No 11:

A body describes uniformly accelerated motion along a straight line. Which of the following displacement time graphs shown represent the motion correctly?

Options:

A. (I) only

B. (I) and (II) only

C. (I), (III) and (IV) only

D. (I), (II), (III) and (IV) only

NSEJS Previous Papers 2009-2010 Ques No 12:

Transition metal iron in amethyst is 

Options:

A. Cr³⁺

B. Fe³⁺

C. Mn³⁺

D. Co³⁺

NSEJS Previous Papers 2009-2010 Ques No 13:

Among the following the most powerful oxidizing agent is

Options:

A. O₂

B. KClO₃ + O₂

C. H₂O

D. O₃

NSEJS Previous Papers 2009-2010 Ques No 14:

The half life period of radioactive element is 14 hours. The fraction of the radioactive element that disintegrates in 56 hour is

Options:

A. 0.125

B. 0.0625

C. 0.9025

D. 0.9375

NSEJS Previous Papers 2009-2010 Ques No 15:

Three lines segments in a plane have lengths a, b, and c. No two of these are parallel. If Root(a) + Root(b) = Root(c), then these three line segments

Options:

A. can form an acute angled triangle

B. can form a right angled triangle

C. can form an isosceles triangle

D. cannot form a triangle

NSEJS Previous Papers 2009-2010 Ques No 16:

A cell, an ammeter and a voltmeter are all connected in series. The ammeter reads a current I and the voltmeter a potential difference V. If a torch bulb is connected across the voltmeter, then

Options:

A. both I and V will increase

B. both I and V will decrease

C. I will increase but V will decrease

D. I will decrease but V will increase

NSEJS Previous Papers 2009-2010 Ques No 17:

Dispersion of white light into its constituent colours occurs during 

Options:

A. reflection at a plane mirror

B. reflection at a concave mirror

C. internal reflection inside a spherical drop of water

D. reflection at the boundary of a transparent medium

NSEJS Previous Paper 2009-2010 Ques No 18:

Ice at 0 degree C is put in a closed container and heat is supplied to it continuously at a uniform rate. Which of the following graphs gives the temperature variation with time correctly?

Options:

NSEJS Previous Paper 2009-2010 Ques No 19:

Two circles of radii 2 cm and 3 cm touch each other externally. The length of direct common tangent to the two circles will be

Options:

A. 2Root(6) cm

B. Root(26) cm

C. 5 cm

D. 2.4 cm

NSEJS Previous Paper 2009-2010 Ques No 20:

Formalin is 40% aqueous solution of 

Options:

A. formic acid

B. freon gas

C. formaldehyde

D. a mixture of formic acid and formaldehyde in a ratio 1 : 1

NSEJS Previous Paper 2009-2010 Ques No 21:

Green Fuel means

Options:

A. fuel obtained from the plant leaves

B. green coloured fuel

C. chemicals used for the growth of plants

D. fuel obtained from plastic waste

NSEJS Previous Paper 2009-2010 Ques No 22:

Which of the following is a true fruit?

Options:

A. pear

B. coconut

C. apple

D. cashewnut

NSEJS Previous Paper 2009-2010 Ques No 23:

The number of chromosomes can be counted at 

Options:

A. anaphase

B. interphase

C. metaphase

D. prophase

NSEJS Previous Paper 2009-2010 Ques No 24:

Which of the following is a true fish?

Options:

A. Star fish

B. Gold Fish

C. Silver fish

D. Hag fish

NSEJS Previous Paper 2009-2010 Ques No 25:

Newton deduced the inverse square law of gravitation

Options:

A. y observing motion of an apple falling from a tree

B. by using Kepler law of planetary motion.

C. by studying motion of different objects in the laboratory 

D. by using data obtained from Canvendish experiment

For full question paper of NSEJS Previous Paper 2009-2010, Click Here

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NSEJS Maths Questions Bank EBook

Get NSEJS 2008 to 2018 Maths Questions Bank with Solutions. To get this combo ebook, click below RED button.