Kerala Syllabus Class 5 Basic Science Model Question Paper Set 4

For better subject understanding, Class 5 Basic Science Question Paper Pdf Set 4 offer useful practice.

Kerala Syllabus 5th Standard Basic Science Model Question Paper Set 4

Times : 2 1/4 hour
Total Score: 60

Instructions:

1. 15-minute cool-off time is allotted for reading and understanding the activities.
2. Answer any six questions.

Question 1.
A) When do you find your sense of smell helpful to you? List some examples. Like to know by its smell that food has gone bad or that something is burning.
Answer:
In addition to detecting bad or burnt objects, we can also sense the fragrance of perfume, the scent of flowers, the smell of sweat, soaps, and detergents.

B) Write the functions of the eyes and skin.
Answer:

1. The eyes help us see and judge the distance of objects around us.
2. The skin protects our body from harm and helps us sense touch, temperature, and pain.

C) Name two types of flavours the tongue helps us taste.
Answer:
Salty and Sour.

Question 2.
A) Classify the plants given below into those having taproot systems and fibrous root systems.
Coconut tree, Bamboo, Papaya, Mango tree, Guava tree, Paddy, Hibiscus, Plantain

Plants having taproot system	Plants having fibrous root system

Answer:

Plants having taproot system	Plants having fibrous root system
Hibiscus	Coconut tree
Mango tree	Bamboo
Guava tree	Paddy
Papaya	Plantain

B) Examine the statement and reason given below and write the correct option.
Statement: A taproot system is a root system consisting of a taproot growing downwards from the base of the stem and branching roots growing from it.
Reason: Mango trees and jackfruit trees have a fibrous root system.
a) Statement is correct, but the reason is wrong.
b) Statement is wrong, the reason is correct.
c) Statement and reason are correct.
d) Statement and reason are wrong.
Answer:
Statement is correct, but the reason is wrong.

C) Is there any relationship between the venation of leaves and the structure of their roots? Explain.
Answer:
Yes. Plants with reticulate venation possess taproot systems, and plants with parallel venation possess fibrous root systems

Question 3.
Observe the picture of the animal given below.

a) Which group of animals does this belong to?
Answer:
Mammals

b) Write one characteristic of this animal.
Answer:
Have fur on its body

c) Does it have a backbone?
Answer:
Yes, kangaroos have a spine

d) How do fruit flies damage mangoes, and what is the outcome of this process?
Answer:
Fruit flies damage mangoes by piercing the skin with a needle-like organ to lay their eggs inside. The eggs then hatch into larvae, which feed on the fleshy part of the fruit. This feeding activity is what causes the worms to be seen when a mango is cut open.

4. This question has two parts 4 (A) and 4 (B). Answer either 4 (A) or 4 (B) completely.

Question 4.
A. Ben and Ken are on their summer vacation trip to Wayanad. They are interested to visit many picnic spots. But the route is unfamiliar to them.
A) What method should be adopted by the driver of the vehicle to reach the destination easily?
Answer:
Use the instructions in the Google map

B) How do artificial satellites play an important role in providing such services? Explain.
Answer:
Many mechanical devices, including cameras and various instruments created by humans, have been sent to space. They constantly revolve around the Earth. These human-made devices are called artificial satellites. Such satellites provide services like GPS (Global Positioning System). They enable us to view the satellite images of your house, school and other places using mobile phones or computers.

C) Examine the statement and reason given below and write the correct option.
Statement: The INSAT series of satellites are used for satellite communication.
Reason: The GSAT-7 and EMISAT satellites are primarily for defence purposes.
a) Both the statement and the reason are correct, and the reason is the correct explanation for the statement.
b) Both the statement and the reason are correct, but the reason is not the correct explanation for the statement.
c) The statement is correct, but the reason is incorrect.
d) The statement is incorrect, but the reason is correct.
e) Both the statement and the reason are incorrect.
Answer:
Both the statement and the reason are correct, but the reason is not the correct explanation for the statement.

OR
B. a) Read the following statements.
i. Sputnik 1 is the first artificial satellite.
ii. Astronauts Neil Armstrong and Edwin (Buzz) Aldrin first landed on the Moon.
iii. The moon is bigger than the stars.
iv. Planets twinkle.
v. Gaganyaan is India’s mission to send humans into space.

Choose the correct set:
(a) ii, iii, iv Correct
(b) i, ii, iii Correct
(c) i, iii, iv Correct
(d) i, ii, v Correct
Answer:
(d) i, ii, v Correct

b) Examine the table and find out the correct pairs from the options.

1. ISRO	A. Fifth planet in the solar system
2. SDSC	B. US Space agency
3. Jupiter	C. Indian Space Agency
4. NASA	D. Rocket launching station

A) 1 – D, 2 – C, 3 – B, 4 – A
B) 1 – C, 2 – D, 3 – A, 4 – B
C) 1 – B, 2 – A, 3 – D, 4 – C
D) 1 – C, 2 – A, 3 – B, 4 – D
Answer:

1. ISRO	C. Indian Space Agency
2. SDSC	D. Rocket launching station
3. Jupiter	A. Fifth planet in the solar system
4. NASA	B. US Space agency

c) What luminous objects are there in the sky? How can you differentiate between the stars and other celestial bodies?
Answer:
Sun and stars.
Stars are self-luminous celestial bodies. But planets and satellites are not self-luminous. The light that falls on these bodies gets reflected, and it makes them glow. We perceive them as luminous because of the reflection of light. While observing the sky, we see the stars twinkling, whereas the planets shine without twinkling.

Question 5.
A) Tabulate the given into solid fuels, liquid fuels, and gaseous fuels.
Firewood, Diesel, Petrol, Charcoal, Coal, Cowdung cake, Saw dust, Kerosene, LPG, CNG, Hydrogen, Acetylene, Biogas, Aviation Fuel, Biodiesel.
Answer:

Solid fuels	Liquid fuels	Gaseous fuels
Fire wood	Diesel	LPG
Charcoal	Petrol	CNG
Coal	Kerosene	Hydrogen
Cowdung cake	Aviation fuel	Acetylene
Saw dust	Biodiesel	Gaseous fuels

B) What will be the consequences in future for the excessive use of fuels?
Answer:
Consequences:

1. Shortage of diesel and petrol for vehicles
2. Shortage of electricity in houses
3. Shortage of electricity in factories

C) How is electricity produced from wind?
Answer:
Windmills produce energy from wind. The blades of the mill rotate by the power of the wind. This rotation leads to the working of the generator. Thus electricity is produced.

6. This question has two parts 6 (A) and 6 (B). Answer either 6 (A) or 6 (B) completely.

Question 6.
A) By getting vaccinated, we can help eliminate diseases and keep everyone safe from this disease.
a) What disease does the polio vaccine protect against?
Answer:
The polio vaccine protects against polio, a serious disease caused by the poliovirus.

b) How does the polio vaccine help our bodies?
Answer:
The polio vaccine helps our bodies by building immunity against the virus.

c) What are the two types of polio vaccines?
Answer:
The two types of polio vaccines are the oral polio vaccine (OPV) and the inactivated polio vaccine (IPV)

OR
B. Notice the following statement. (The property of water to dissolve substances helps in washing clothes)
a) List any other two properties of water and write two daily life situations where these properties are used.
Answer:

Properties of water	Situations used
Has no defmtie shape; takes the shape of the container	Can be collected in containers of different shapes
Exists in solid, liquid and gaseous state	Can be used in ice industry

b) Complete the table

(i) _____	(ii) _____	Solution
Sugar	(iii) _____	Sugar solution
(iv) _____	Water	Soda water
(v) _____	Water	(vi) _____

Answer:

i) Solute	ii) Sovent	Solution
Sugar	iii) Water	Sugar solution
iv) Carbon dioxide gas	Water	Soda water
v) Sugar candy	Water	vi) Sugar solution

c) Suggest the solutions for the scarcity of drinking water in your locality.
Answer:
Solutions for the scarcity of drinking water:

1. Do not waste water.
2. Minimise the overuse of water.
3. Restrict water-polluting activities.
4. Restrict deforestation.
5. Build rain pits, rainwater reservoirs, etc.