National Science Olympiad Forum By SOF Olympiad Trainer

SHWAARIT MAHAPATRA from st francis school, GZB

Subject :NSO Class : Class 8

Study the given table.

Identify cell components P-R and select the correct statement regarding them.

AP is the power house of the cell and cellular respiration takes place here.
BQ Contain enzymes that destroy the damaged or dead cells.
CR is a membrane less organelle that is present either free or attached to endoplasmic reticulum.
DNone of these

The ans shall be D as ribosomes are not only found free or with endoplasmic recticulum they are also found in nucleus

View All Answers (0)

Submit Your Answers

Post Your Answer

SITANSHU from SVKM SCHOOL, DHULE

Subject :NSO Class : Class 6

A boy stands at the point P as shown in figure. Three other persons stand at the points A, B and C. The boy is unable to see the other persons directly due to a wall separating him and the other persons. A mirror is placed as shown in figure. How many of the three persons can he see?

AFour
BThree
CTwo
DOne

View All Answers (0)

Submit Your Answers

Post Your Answer

Diptarka from SNG Central School, Mumbai

Subject :NSO Class : Class 3

Refer to the given picture and select the correct statement.

A Library is in the East of post office.
B Post office is in the South of temple.
C Park is in the West of Riya's home.
D Temple is in the North of Riya's home.

Correct answer is option A.

View All Answers (0)

Submit Your Answers

Post Your Answer

Nithya Kalala from Presidency South Bangalore, Bangalore

Subject :NSO Class : Class 5

Select the option that correctly represents chemical change (X) and physical change (Y).

	X	Y
A	Bending of wire	Ripening of mango
B	Cooking of food	Melting of ice
C	Rusting of iron	Burning of crackers
D	Formation of cloud	Germination of a seed

View All Answers (0)

Submit Your Answers

Post Your Answer

Avyukta Saraswat from St Francis School , Greater noida west

Subject :NSO Class : Class 3

In the given food web, a decrease in the population of bulbul is likely to cause _________.

AIncrease in grasshopper and lizard populations
BDecrease in plant and caterpillar populations
CDecrease in grasshopper and snake populations
DIncrease in plant population and decrease in lizard population

how will plant popullation be same

View All Answers (0)

Submit Your Answers

Post Your Answer

Daksh Jain from ,

Subject :NSO Class : Class 6

An object O is situated between two plane mirrors M₁ and M₂ as shown in the given figure. Possible image of the object O is

AI₁
BI₂
CI₃
DI₄

View All Answers (1)

Ans 1:

shiv dipesh patel from ,

Class : Class 6

Submit Your Answers

Post Your Answer

Tanmay Verma from Elpro International School, Pune

Subject :NSO Class : Class 6

The given diagram shows the separation of two immiscible liquids X and Y.

Identify X and Y.

AX is oil, Y is water.
BX is water, Y is oil.
CX is vinegar, Y is water.
DX is water, Y is lemon juice.

Denser liquids are supposed to help at the bottom but why is the answer saying opposite?ٓ

View All Answers (0)

Submit Your Answers

Post Your Answer

ABDUL Rahman SIDDIQUI from Indian school al maabela , muscat

Subject :NSO Class : Class 8

Rohan burned a substance X and collected the evolved vapours in a test tube making sure that they do not escape. Then he added small amount of water to the test tube. The solution so formed turned blue litmus red.
Rahul burned a substance Y, collected the white ash formed and dissolved it in water. The solution so formed turned red litmus blue. Substances X and Y could be respectively

AP and Mg
BCa and P
CMg and S
DS and Mg

View All Answers (0)

Submit Your Answers

Post Your Answer

SOBHA DAFFODIL from Greenwood, BANGALORE

Subject :NSO Class : Class 5

Study the given relationship.
Soluble impurities : Insoluble impurities : : X : Y
Select the option that correctly identifi es separating methods X and Y.