National Science Olympiad Forum By SOF Olympiad Trainer - Page 336

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Subject :NSO    Class : Class 8

The given figure represents the location of various endocrine glands in human body.

Identify the glands marked as P, Q, R, S and T and select the incorrect statement regarding these.

A Gland P secretes the hormone thyroxine, which regulates growth and metabolism.
B Gland Q secretes the hormones corticosteroids and adrenaline, which regulate breathing, heart rate, carbohydrate metabolism and mineral balance.
C Glands S and T secrete the hormones which control secondary sexual characters in females and males respectively.
D Gland R secretes the hormone insulin, whose increased concentration leads to diabetes.


i think b and d both are correct

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 7
C)

Ans 2: (Master Answer)

Class : Class 1

C

 In the life cycle of butterflies etc., egg hatches to produce a young one called a larva which looks like a worm. After some days, it changes into pupa which finally turns into an adult.


Ans 3:

Class : Class 8

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
b

Ans 2: (Master Answer)

Class : Class 1

B

Blood, Heart and Blood vessels are all parts of the Circulatory system. Similarly, Kidneys, Lungs and Skin are organs of Excretory system.


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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1

B

Option A and C has correct statements and option B has incorrect statement. Bird Y can fly. It can be woodpecker, which has feet similar to parrot. Bird X can fly as well as swim. It cannot be the black and white coloured bird found at poles, as it cannot fly.Bird Z runs fast. It can be ostrich that lays largest egg in the world.

 


Ans 2:

Class : Class 3

Ans 3:

Class : Class 5

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Subject :NSO    Class : Class 5

Ans 1: (Master Answer)

Class : Class 1

C


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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8
Oh sorry! The reason is that at X, the ball traveled most distance in less time as compared to other.. That's the reason that the ball has greatest avg. speed at X

Ans 2:

Class : Class 8
the graph is not clear

Ans 3:

Class : Class 3

Ans 4:

Class : Class 8
The answer is option B. We can see that the difference between w's height (3) and x's height (7) is the highest as compared to others. Therefore the moving ball gained maximum speed at X

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
Doesn't hot air rise up from the land and cold air take up the hot air's place?

Ans 2:

Class : Class 4
The correct answer is: D

Ans 3:

Class : Class 9

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 9
all are correct

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Subject :NSO    Class : Class 5

Latika took a stem of Balsam plant having leaves and flowers, and placed it in a glass of water. She mixed some red ink in the water. After some time, she observed some red stripes on the leaves, flowers and stem. Which function of plant is she trying to test?

AThe stem carries water and minerals to different parts of the plant.
BThe stem absorbs minerals and water from the soil.
CThe stem transports food prepared in the roots to different parts of the plant.
DThe stem grows in the direction of light.


Ans 1: (Master Answer)

Class : Class 1

A


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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 9
sorry it should be dthey have given c

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