NSEJS PREVIOUS PAPERS 2012-2013

In this post, you will get NSEJS Previous Papers 2012-2013. 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

NSEJS Previous Papers 2012-2013 Ques No 1:

If equal weights of oxygen and nitrogen are kept in separate containers at the same temperature
then.

Options:

A. Both the containers have the same number of molecules

B. More molecules are present in the oxygen container

C. The pressure of the nitrogen container is greater than that of the oxygen container

D. The pressure of the oxygen container is greater than that of the nitrogen container

NSEJS Previous Papers 2012-2013 Ques No 2:

A boy is standing on a truck which is moving with constant speed along a straight road. On a day when wind is negligible, the boy throws a ball vertically up with some velocity. The ball comes back and falls

Options:

A. into boy’s hand

B. Behind the boy

C. In Front of the boy

D. Behind or in front of the boy depending on the speed of the truck and ball.

NSEJS Previous Papers 2012-2013 Ques No 3:

then which of the statement is true

Options:

A. x + y = 2z

B. x + y=3z

C. x – y= 2z

D. x – y = 3Z

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NSEJS Previous Papers 2012-2013 Ques No 4:

The pressure at the bottom of the four vessels filled with water to the same level is P₁, P₂, P₃ and
P₄ respectively. Then which of the following conclusion is correct.

Options:

A. P₁ > P₂> P₃ > P₄

B. P₁ < P₂ < P₃ < P₄

C. P₁ = P₄ = P₂ > P₃

D. P₁ = P₂ = P₃ = P₄

NSEJS Previous Papers 2012-2013 Ques No 5:

If x + y + z = 1, x y z ; x, y, z are real numbers and 1/x + 1/y + 1/z = m. How many of the
following values of m are always possible. (i) m = 6, (ii) m = 8, (iii) m = 10, (iv) m = 12

Options:

A. 1

B. 2

C. 3

D. All

NSEJS Maths Questions Bank EBook

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

NSEJS Previous Papers 2012-2013 Ques No 6:

Two liters of oxygen gas diffused through a membrane in 600 seconds. 0.6 liter of an unknown gas diffused through the same membrane in half the time required for oxygen to diffuse. The molecular weight of the unknown gas is

Options:

A. 16

B. 44

C. 89

D. 64

Read the following carefully and answer the questions from 7 to 10

A student treats some onion root tips with colchicine that is responsible for arresting cell division at the metaphase stage (by dissolving spindle fibres) and further prepared a slide of the root tip staining with acetoorcein (stains chromatin) and observed under high power of compound microscope. He is well aware of the cell cycle given alongside.

NSEJS Previous Papers 2012-2013 Ques No 7:

Which of the following is not true about his observation?

Options:

A. Most cells are in Interphase

B. Most cells are in the metaphase

C. No cells are in anaphase or telophase

D. Chromosomes could be observed better than a slide prepared without colchicine treatment

NSEJS Previous Papers 2012-2013 Ques No 8:

Why did the student choose root tips of onion?

Options:

A. Roots grow fast and considerable length of tips can be used

B. Root tips are easy to smear and stain

C. Root tips have meristematic tissue

D. Cell division occurs only at the root tips in plants

NSEJS Previous Papers 2012-2013 Ques No 9:

What might be the purpose of the student?

Options:

A. Observing chromosomes

B. Observing stages of cell division

C. Comparing number of cells in various stages of cell division

D. Preventing further growth of the root tips

NSEJS Previous Papers 2012-2013 Ques No 10:

Considering the action of colchicine, it may be considered for the treatment of:

Options:

A. Hairfall

B. Anemia

C. Cancer

D. Bacterial infection

NSEJS Previous Papers 2012-2013 Ques No 11:

The element with electronic configuration 1s² 2s² 2p⁶ 3s² is a/an

Options:

A. Metal

B. Non-Metal

C. Metalloid

D. Inert gas

NSEJS Previous Papers 2012-2013 Ques No 12:

A ball is thrown up vertically in still air with a velocity of 20ms-1. It comes back to ground. The velocity –time graph is (g=10ms-2).

Options:

NSEJS Previous Papers 2012-2013 Ques No 13:

The sixty sixth Independence Day was on Wednesday. After how many years the next Independence Day will be on Wednesday

Options:

A. 6 year

B. 7 year

C. 11 year

D. 28 year

NSEJS Previous Papers 2012-2013 Ques No 14:

Sound waves traveling in air enters water at an angle i with the normal. It gets refracted at angle r with

Options:

A. i > r

B. r > i

C. i = r

D. Sound waves do not get refracted

NSEJS Previous Papers 2012-2013 Ques No 15:

What will be the remainder if the number 7²⁰¹² is divided by 25?

Options:

A. 24

B. 18

C. 7

D. 1

NSEJS Previous Papers 2012-2013 Ques No 16:

The last electron of the element of atomic member 31 will have the following quantum numbers

Options:

A. n = 3,  l = 0,  m = 0,  s = -1/2

B. n = 3,  l = 1,  m = 1,  s = +1/2

C. n = 4,  l = 1,  m = -1,  s = -1/2

D. n = 4,  l = 0,  m = 0,  s = +1/2

Study the following diagram and answer the questions 17 to 21

NSEJS Previous Papers 2012-2013 Ques No 17:

Which of the following are tertiary consumers?

Options:

A. Snake, toads and spiders

B. Foxes, Hawks and Snakes

C. Rabbit, Squirrels and Mice

D. Spiders, Predacious insects and herbivorous insects

NSEJS Previous Papers 2012-2013 Ques No 18:

The shortest and the longest food chains have _____ and ____ number of organisms respectively

Options:

A. 2 and 6

B. 2 and 5

C. 3 and 5

D. 3 and 6

NSEJS Maths Questions Bank EBook

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

NSEJS Previous Paper 2012-2013 Ques No 19:

An insecticide is sprayed to protect the plants. Which of the following statements is true?

Options:

A. Toads and insectivorous birds will prosper as they will get ample supply of dead insects.

B. Herbivores will be greatly affected, plants will be safe and carnivores will move to other areas and will not be affected greatly

C. Some insects will die, some will become resistant and pro-lifer more and top carnivore will be affected most

D. Some insects will die, but there will be no long term effects as the pesticides will get washed away

NSEJS Previous Paper 2012-2013 Ques No 20:

What should be the preferred food of snakes to ensure minimum loss of solar energy?

Options:

A. Mice

B. Toads

C. Insectivorous birds

D. Foxes

For full paper of NSEJS Previous Paper 2012-2013, 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.