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Published on: 31/10/2025
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Questions + Answers key
Take MCQ Science Test

1.
Sweat contains water and ___________.
2.
Haemoglobin is present in __________ cells.
3.
Can we use the same fuse in a geyser and a television set? Explain.
4.
In the figure given below, label the part marked (i), (ii) and (iii).
.png)
5.
Briefly mention how many types of motion are there. Also, name all of them.
6.
Name the process and the organ which helps in removing the following wastes from the body.
(a) Carbon dioxide
(b) Undigested food
(c) Urine
(d) Sweat.
7.
Fungus, moss and fern reproduce by a common method of asexual reproduction. Name the method.
8.
In some animals, exchange of gases takes place through its thin and moist skin. Name one such animal.
9.
If Boojho covers a certain distance in one hour and Paheli covers the same distance in two hours, who travels with a higher speed?
10.
State one measure to avoid overloading in an electrical circuit. Also mention the name given to a situation in which the live and the neutral wires accidently come in contact. Describe the role of a safety device in this situation.
11.
It is not wise to sleep under a tree during night. Why?
12.
What is the function of flowers in plants?
13.
What do you mean by closed circuit?
14.
Can you say why your parents insist that you should eat regularly?
15.
Can you feel some throbbing movements?
16.
Would you say that the bus is moving faster than the bicycle?
17.
Which is not a part of pistil?
Stigma
Style
Filament
Ovary
18.
Which of the following organism can respire anaerobically?
Amoeba
Yeast
Paramecium
Euglena
19.
The amount of heat produced is a work depends on:
Kind of material
Thickness of material
Resistance of material
All of above
20.
Transport of food in plants takes place through;
Xylem
Phloem
Lenticels
Bark
21.
The motion of pedal of a bicycle is
Circular
Periodic
Straight line
Oscillatory
1.
( )
salts
2.
( )
Red Blood Cells (RBCs)
3.
No, we cannot use same fuse in a geyser and in a television set because the fuse used in every appliances has some limit to withstand the current flows through it. So, different appliances have different fuses.
4.
The parts in the given figure are labelled as follows
.png)
5.
Different types of motion are there and they can be named as follows
(i) Periodic motion
(ii) Rolling motion
(iii) Rotatory motion
(iv) Oscillatory and vibratory motions
(v) Translatory motion
6.
| Waste | Process | Organ | |
| (a) | Carbon dioxide | Exhalation | Lungs |
| (b) | Undigested food | Egestion | Large intestine and anus |
| (c) | Urine | Excretion | Kidneys |
| (d) | Sweat | Perspiration (sweating) | Sweat glands |
7.
Fungus, moss and fern reproduce by the common method of spore formation which is a type of asexual reproduction.
8.
Earthworm is an animal where exchange of gases during breathing or respiration takes place through its thin and moist skin
9.
Boojho travels with a higher speed as he has covered same distance in lesser time with respect to Paheli.
10.
Overloading can be avoided if too many appliances are not connected to a single socket. Short circuiting is a name given to a situation in which the live and the neutral wires accidently come in contact.
Electric fuse is a safety device. When a short circuit takes place or when overloading takes place, then the current becomes large and heats the fuse wire too much and thus, it gets melted and circuit breaks which prevents the damage of the wiring and electrical appliances.
11.
During day, plants photosynthesise in the presence of sunlight and uses CO2 produced during respiration. During this process O2 is released as a byproduct and a balance between O2 and CO2 is maintained in the atmosphere. But in the night. plants do not photosynthesise. Plants are unable to use CO2 during night and produces CO2 and takes O2 during respiration. This leads to the increase in the proportion of CO2 in the air.
So, if one sleeps under a tree at night. he will have problems in breathing as the amount of CO2 in the air around will certainly be more than oxygen. Therefore, it is not advisable to sleep under trees during night because the person will suffer from suffocation and feel excess weight on chest.
12.
( )
Flowers are the reproductive parts of plant. Their function is to reproduce the plants.
13.
( )
Closed circuit means switch is in on position.
14.
( )
Food gives us energy and builds our body. If we do not eat regularly, we will suffer bodily.
15.
( )
Yes.
16.
( )
yes
17.
(c)
Filament
18.
(b)
Yeast
19.
(d)
All of above
20.
(b)
Phloem
21.
(a)
Circular
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