National Science Olympiad Forum By SOF Olympiad Trainer - Page 356

User Forum

Subject :NSO    Class : Class 9

Post Your Answer

Subject :NSO    Class : Class 5

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
D is the correct answer

Ans 2:

Class : Class 6
The answer should be D...not B because less vitamin d leads to rickets and calcium-containing food is a great source of vitamin d. hence, less calcium does lead to rickets leading to the answer being D

Ans 3:

Class : Class 8
B

Ans 4:

Class : Class 9

Ans 5:

Class : Class 6
Yes B should be correct and D as well.

Ans 6:

Class : Class 4
answer is d

Ans 7:

Class : Class 6
what about b?

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
A

Ans 2:

Class : Class 9
A

Ans 3:

Class : Class 7
A

Ans 4:

Class : Class 8
yes it is A

Ans 5:

Class : Class 8

Post Your Answer

Subject :NSO    Class : Class 6

Select the option with the correct sequence of words to fill the blanks in the given sentences.
(A) Cod liver oil is a rich source of (i).
(B) Deficiency of vitamin C in body causes a disease known as (ii).
(C) Goitre is caused by the lack of (iii) in the diet.
(D) Deficiency of (iv) can leads to rickets in children and osteoporosis in adults.

(i) (ii) (iii) (iv)
A Vitamin D Rickets Potassium Magnesium
B Vitamin A Scurvy Iodine Calcium
C Vitamin C Rickets Iodine Calcium
D Vitamin B Scurvy Potassium Protein


The answer is (B)

Ans 1:

Class : Class 6
Cod liver is a better source of Vitamin 'A' than 'B'

Ans 2:

Class : Class 6

Ans 3:

Class : Class 6
Sorry, the answer is B

Ans 4:

Class : Class 6
The answer should be A But they say its B That is wrong as both vitamin A and vitamin B are sourced by Cod Liver oil.Well, anyway we can only improve with mistakes. Right?Why is it B and not A ?? Can someone please help me?

Ans 5:

Class : Class 6
C

Ans 6:

Class : Class 6
B: Vitamin A

Ans 7:

Class : Class 6

Ans 8:

Class : Class 6

Ans 9:

Class : Class 6
answer should be B. i agree that Cod Liver oil is a rich source of both vitamin A and D. but all the options are not correct. if you see, option A cannot be correct because in Statement B the answer should be scurvy.

Post Your Answer

Subject :NSO    Class : Class 3

Post Your Answer

Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
A

Ans 2:

Class : Class 8
The spheres are conducting, the electrons on the left of the right-hand sphere in option A will flow to the left-hand sphere, making something like option B. But the positive charges will continue to be attracted and will stay like they are in option A, while the negative charges (All having moved to the left-hand sphere) will move as far away from the negative rod as possible. Option C is right

Ans 3:

Class : Class 8
A is the correct answer

Ans 4:

Class : Class 9
A

Ans 5:

Class : Class 6

Ans 6:

Class : Class 6
A should be the correct answer

Ans 7:

Class : Class 6
A

Ans 8:

Class : Class 8
A is a correct Answer

Ans 9:

Class : Class 9
A

Ans 10:

Class : Class 8
A

Ans 11:

Class : Class 4
A

Ans 12:

Class : Class 8
a

Ans 13:

Class : Class 8
a

Ans 14:

Class : Class 9
when positive and negative charges meet at the contact point of the sphere, they cancel each other to form a neutral charge. but the charges on the outer surface of the sphere remain the same. Therefore, the answer is C

Post Your Answer

Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
Answer is D, pendulums have uniform motion

Ans 2:

Class : Class 10
I think both c and d are right

Ans 3:

Class : Class 10

Post Your Answer

Subject :NSO    Class : Class 8

Post Your Answer

Subject :NSO    Class : Class 3

Post Your Answer