National Science Olympiad Forum By SOF Olympiad Trainer - Page 231

User Forum

Subject :NSO    Class : Class 3

Read the given paragraph. Riya is making snowman with her friends in her backyard whereas Saurabh is busy with clicking photographs of blooming flowers and greenery adding to scenic beauty all around.
Identify the places where Riya and Saurabh dwell and the weather they are experiencing and select the INCORRECT option regarding this.

A Riya might be wearing clothes sourced from an animal fibre.
B The area where Riya lives, receives precipitation in the form of solid state of water.
C Saurabh is experiencing the season when Holi is celebrated.
D Floods are of common occurrence where Riya lives.


Why ans is option D

Post Your Answer

Subject :NSO    Class : Class 7

Post Your Answer

Subject :NSO    Class : Class 10

Ans 1:

Class : Class 10
The answer for this question is 0.5m/s.first you should find the initial distance of the object.then after the object is moven try to find the final position of object .you can find this by using mirror formula.after this you woul get the initial and the final positions of the object as -50m and -25m respectively.then taked the distance covered by the object as 25 and divide it by time 20sec to calculate the speed of object and finally you get your answer as 0.5m/s. HOPE THIS WILL HELP YOU.

Post Your Answer

Subject :NSO    Class : Class 10

Post Your Answer

Subject :NSO    Class : Class 6

Study the given Venn diagram. If (i) is curdling of milk, (ii) is ripening of fruits, (iii) is volcanic eruptions and (iv) is spoilage of food, then which of the following best identifies P, Q, R and S?

  P Q R S
A Chemical
change
Irreversible
change
Periodic
change
Fast
change
B Physical
change
Periodic
change
Non-periodic
change
Slow
change
C Periodic
change
Desirable
change
Non-periodic
change
Fast
change
D Desirable
change
Non-periodic
change
Undesirable
change
Slow
change


truck this hit i am out

Post Your Answer

Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
how did you get z at bottom of 2y

Post Your Answer

Subject :NSO    Class : Class 8

Post Your Answer

Subject :NSO    Class : Class 8

Post Your Answer

Subject :NSO    Class : Class 8

Post Your Answer

Subject :NSO    Class : Class 9

Refer to the given dichotomous key and answer the following questions.
I. (A) The cells of tissue have walls. -Go to II
(B) The cells of tissue have no walls.
-Go to III
II. (A) The cells are living. - Go to IV
(B) The cells are dead. - Go to V
III. (A) The tissue lines the oviducts. - R
(B) The tissue transports nutrients. - S
IV. (A) Cells store air. - P
(B) The tissue conducts nutrients. - Q
V. (A) The tissue conducts water. - T
(B) It is only a mechanical tissue. - U
Select the incorrect option regarding tissues P, Q, R, S, T and U.

A P is found in aquatic floating plants whereas T is greatly reduced or absent in aquatic plants.
B R and S are animal tissues while P and Q are plant tissues.
C S can be xylem, Q can be blood and U can be parenchyma.
D R is ciliated epithelial tissue whereas U possesses uniform wall thickenings of lignin.


Ans 1:

Class : Class 9

Ans 2:

Class : Class 9

Ans 3:

Class : Class 9

Post Your Answer