National Science Olympiad Forum By SOF Olympiad Trainer

User Forum

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 4
Ans a

Ans 2:

Class : Class 6
Please check

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
The clue for the first answer is :his name starts from L and ends with I.One more question,who invented the metal detector ? The clue for this is:his name strts from A and ends with L. No searcing google.For this you will get $10,00,00,000.

Ans 2:

Class : Class 4
alexander graham bell but i searched google

Post Your Answer

Subject :NSO    Class : Class 2

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3

Post Your Answer

Subject :NSO    Class : Class 6

Post Your Answer

Subject :NSO    Class : Class 6

Refer to the given paragraph and select the correct option regarding X, Y and Z.
The process of making yarn from fibres is called X. Yarn are used for making fabrics. Two main processes are used to make fabrics from yarn. In process Y, two sets of yarn are arranged together to make a fabric while in process Z single yarn is used to make a piece of fabric.

A X : Knitting; Y : Spinning; Z : Weaving
B X : Spinning; Y : Weaving; Z : Knitting
C X : Weaving; Y : Spinning; Z : Knitting
D X : Spinning; Y : Knitting; Z : Weaving


Post Your Answer

Subject :NSO    Class : Class 6

Refer to the given dichotomous key and select the correct option.
I. (A) It is categorised as energy giving food. – Go to II
(B) It is categorised as protective food. – Go to III
II. (A) It is soluble in water. –
(B) It is insoluble in water. –
III. (A) It is needed for clotting of blood. –
(B) It helps in formation of haemoglobin. –

A Q could be glucose which is instant source of energy.
B Deficiency of S causes anaemia characterised by pale body colour, body fatigue etc.
C R causes osteoporosis in adults while S causes goitre in adults.
D P occurs in the cell wall of plant cells and in fibres.


Post Your Answer

Subject :NSO    Class : Class 6

Post Your Answer

Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
The speed is also constant for PQ because it is zero and should be constant.

Post Your Answer

Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
2 5 6*3-2=232 5 18-2=2325-2=23

Post Your Answer