National Science Olympiad Forum By SOF Olympiad Trainer

User Forum

Subject :NSO    Class : Class 4

Post Your Answer

Subject :NSO    Class : Class 8

Read the given statements and select the option which correctly fill the blanks (i) – (iv).

(i) ________ is membrane bound sac filled with fluid.
(ii) ________ is found in cytoplasm and on endoplasmic reticulum.
(iii) ________ is involved in the formation of lysosome and peroxisome.
(iv) ________ is capable of digesting any microorganism that enters the cell.

(i) (ii) (iii) (iv)
A Ribosome Lysosome Golgi apparatus Vacuole
B Vacuole Ribosome Golgi apparatus Lysosome
C Ribosome Lysosome Vacuole Golgi apparatus
D Lysosome Ribosome Vacuole Golgi apparatus


Post Your Answer

Subject :NSO    Class : Class 4

Bhavya listed four birds, namely crow, sparrow, myna and eagle, together in the same group. But, her friends argued that one bird is an odd one in the group and gave different reasons for this. Which of these friends argued correctly?

AMyra - Sparrow is a herbivore unlike others.
BNamrata - Eagle is a carnivore unlike others.
CSapna - Crow is a carnivore unlike others.
DPriya - Myna is a herbivore unlike others.


The correct answer is option B.

Post Your Answer

Subject :NSO    Class : Class 3

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
PICTURE SHOWS 5 TOES WHICH IS INCORRECT

Post Your Answer

Subject :NSO    Class : Class 2

Ans 1:

Class : Class 2
The correct answer is All

Post Your Answer

Subject :NSO    Class : Class 5

Post Your Answer

Subject :NSO    Class : Class 6

Read the following statements and select the option that correctly identifies true
(T) and false (F) ones.
(i) The number of petals and sepals in a flower is always equal.
(ii) Roots absorb water and minerals from the soil.
(iii) Stamens form the female reproductive part of a flower.
(iv) Petiole is the short stalk that attaches leaf to the stem.
(v) Calyx and corolla form the essential whorls of the flower.

(i) (ii) (iii) (iv) (v)
A T T F T F
B F T F T F
C F T T T F
D T T F F T


Post Your Answer

Subject :NSO    Class : Class 6

Depending upon the nature of the constituents present in a mixture, Suhana, a class 6 student suggested some methods of separation as shown in the table.

S.
No.
Types of
mixture
Methods of
separation
1. Solid - Solid Handpicking, Sieving
2. Solid - Liquid
(insoluble)
Sedimentation -
Decantation, Filtration
3. Liquid - Liquid
(immiscible)
Decantation,
Separating funnel
4. Solid - Liquid
(soluble)
Filtration, Decantation
5. Liquid - Liquid
(miscible)
Distillation

Which of these is/are incorrect method(s) of separation?

A1 and 2 only
B3 only
C1 and 5 only
D4 only


Post Your Answer

Subject :NSO    Class : Class 2

Ans 1:

Class : Class 2
Therefore all others except c are wrong

Ans 2:

Class : Class 2
The correct answer is C because we should not have road side food

Ans 3:

Class : Class 2

Post Your Answer