Parts of Plant
Classification of Plants
Fun math
Sound
Sound1
100

The leaves of plants are green. The reason is:

A)  they are born from green-coloured seeds

B)  photosynthesis occurs in the leaves

C)  the presence of a green pigment called chlorophyll  

D)  due to the presence of network of veins


C)  the presence of a green pigment called chlorophyll  

100

Which plants are called herbs? 

a) Coriander 

b)mango 

c)Rose 

d) Tulsi 

a) Coriander

100

Your class is having a pizza party. You buy 5 pizzas. Each pizza has 4 slices. How many slices is that altogether? 


20 slices 

100

Sahil on  a torch and blew a horn at the same time, while standing at 15m distance from Amit. Amit will _______.

A)  First hear the sound then see the light

B)         First see the light then hear the sound

C)         See the light and hear the sound at the same time

D)         None of these


B)         First see the light then hear the sound

100


When this occurs a sound is produced.


answer choices


a)temperature drops
b)a vibration
c)the sun heats the earth
d)a trough


b)a vibration
200

Which of the following are called food factories of the plant?

A) Leaves                  

B) Stem

C) Roots                  

D) Flowers


A) Leaves    

200

Is bitter gourd plant a creeper? 

Yes / No

No

200

  There are 50 children in a playground. 20 children are playing cricket and 10 children are playing football. How many children are not playing?

20

200

Heater, oven and hair dryer produce _______, whereas flute and whistle produce _______.

 light; heat

 heat; light

 heat; sound

 sound; heat

heat; sound

200


What is pitch?


answer choices


a)how big and small a sound is
b)how high and low a sound is
c)a sound that bounces off a surface
d)how fast and slow a movement is


b)how high and low a sound is
300

When you are eating sugarcane, you are actually eating the:

A)  fruits of sugarcane        

B)  roots of sugarcane

C)  stem of sugarcane           

D)  grains of sugarcane


C)  stem of sugarcane

300

Which of the following grows into seeds?

A) Roots                  

B) Leaves

C) Stem                   

D) Flowers


D) Flowers

300

35 + 28 - 16

47

300


You can hear a sound through a solid material such as a brick wall or a door. 

true 
false


True


300


If I have a big drum and a small drum, which one will have the lower pitch?


answer choices


a)the big drum
b)the small drum


a)the big drum
400

Which of the following provides water and mineral salts to the plant?

A) Stem                                   

B) Flowers

C) Fruits                   

D) Roots  


D) Roots  

400

Which of the following gases is NOT released by the leaves of a plant?

A) Carbon dioxide

B) Oxygen

C) Nitrogen      

D) Water vapour


C) Nitrogen      

400

25 x 4

100

400


What is one way to change a pitch of a sound?


answer choices


change the length or thinckness of the string

add more weight to the instrument


change the length or thinckness of the string

400


Which material allows sound to travel the quickest?


answer choices


a)Styrofoam
b)Metal
c)Plastic
d)Always travels at the same speed


b)Metal

500

Which part of the plant carries water and minerals from roots to other parts of the plant?

A)  Roots                                  

B)  Stem  

C)  Flowers                              

D)  Buds


B)  Stem  

500

Lemon 

is a herb/Shrub / Tree

Shrub

500

217 - 128 + 10

99
500


Why do we not hear sound in outer space?


answer choices


a)there is no one out there to hear it.
b)it is so cold
c)it is a vacuum or empty space
d)there are too many stars that are exploding


c)it is a vacuum or empty space
500


If I am playing a guitar and I place my finger on a string, why does the pitch increase?


answer choices


a)The string gets looser
b)The string gets longer
c)The string vibrates slower
d)The string vibrates faster


d)The string vibrates faster