To reduce exam fear, Class 6 Basic Science Question Paper Kerala Syllabus Set 4 provide good practice.
Kerala Syllabus 6th Standard Basic Science Model Question Paper Set 4
Times : 2 hours 15 minutes
Total Score: 60
Instructions:
- 15 minutes cool-off time is allotted for reading and understanding the activities.
- Answer any six questions.
Question 1.
Observe the figure of the carpel of a flower given below.
a) Name and label the parts indicated as (a), (b), (c), and (d) in the figure.
Answer:
b) Where does pollen grains found?
Answer:
Pollen grains are found inside the anther chambers
c) Understand the statement given below and choose the correct reason.
Statement: Cucumber, pumpkin, ash gourd, snake gourd, coconut, etc., are monoecious plants.
Reason:
i) Monoecious plants have both male and female flowers in the same plant.
ii) Male and female flowers are found in different plants; such plants are called monoecious.
iii) Monoecious plants contain both male and female reproductive organs within the same flower.
iv) Monoecious plants contain different male and female reproductive organs within the same flower.
A. Only i is correct.
B. Only iii is correct.
C. Only iv is correct.
D. i and iv are correct.
Answer:
A. Only i is correct.
Question 2.
Observe the pictures related to magnets.
a) Which pictures indicate the like poles?
Answer:
b) Which property of a magnet is used by the navigators to find the direction? Name a device in which this property of magnetism is used.
Answer:
Directional properly
Device – Compas
c) Statements related to magnets are given below. Which are the correct statements?.
B. Statements i, ii, and iv are correct
C. Statements ii, iii, and iv are correct
D. Statements i, ii, iii, and iv are correct.
Answer:
D. Statetnent i. ii. iii. and iv are correct.
Question 3.
a) Classify the following organisms into groups according to their characteristics.
[Egg, Paramecium, Amoeba, Ants, cockroach, Euglcna, Mosquito]
Answer:
| Unicellular organism | Multicellular organisms |
| Paramecium | Ant |
| Amoeba | Mosquito |
| Euglena | Cockroach |
b) Identify and name the pictures below. What factors helped you identify the pictures?
Answer:
Picture 1 – Animal cell,
Picture 2 – Plant cell.
The presence of the cell wall and the chloroplast, and the size of the vacuole in a plant cell are the factors helped to identify the picture.
c) Three statements on organelles are given below. Write down the correct option.
i. Each organelle inside the cells is different from each other in structure and shape.
ii. Each organelle has a different function to perform inside the cell.
iii. Each organelle has the same function to perform inside the cell.
A. i and ii are correct.
B. Only i is correct.
C. Only ii is correct.
D. All are correct.
Answer:
A. i and ii are correct.
Question 4 Contains two parts 4 (A) and 4 (B).Write any one from 4 (A) or 4 (B) completely.
Question 4.
(A) a) Ramu and Ammu were studying physical and chemical changes. They burnt a piece of paper and concluded that it was a chemical change. Do you agree with them? State your answer.
Answer:
Yes, the burning of paper is a chemical change. After burning, a new substance is formed with new properties. It is an irreversible change. After burning the paper, it cannot be unbumt. It is a permanent change.
b) Some of the situations in our daily life are given below.
• Curdling of milk
• Melting of wax
• Burning of firewood
• Boiling of water
Classify them according to the peculiarities of the changes. Write any one features of each change.
Answer:
| Physical change | Chemical change |
| Melting of wax | Curdling of milk |
| Boiling of water | Burning of firewood |
Physical change: It is a Temporary change, and no new substances are formed.
Chemical change: It is a Permanent change, and new substances are formed.
c) Complete the flowchart given below
Answer:
a – Ice
b – Absorbs heat
c – Water vapour
d – Releases heat
(B) Observe the picture of mobile charging.
a) Write the energy change that happens in this activity.
Answer:
Electrical energy is changed into Chemical energy.
b) Electrical energy is changed to heat energy in an electric cooker. Write any two-life situation in which similar energy change take place.
Answer:
Microwave Oven: Electrical energy → Heat energy
Iron box: Electrical energy → Heat energy
c) Write the energy form in the following activities and complete the illustration.
Answer:
a – Used
b – Light energy
e – Electrical energy
d – Not used
Question 5.
Observe the picture.
a) Why is age “not a factor” for diabetes?
Answer:
Because diabetes can occur at any age, even in children or young people.
b) List any four symptoms of diabetes.
Answer:
• Frequent urination
• High appetite
• Extreme thirst
• Delayed healing of wounds
c) Understand the statement and the reason given below and choose the correct answer from the following. Statement: A person who has a fasting blood sugar level of 80 mg dL is considered to be non-diabetic. Reason: The normal level of glucose in 100 ml of blood is “0-100 mg. Diabetes is a condition in which the blood sugar (glucose) level rises highly.
A. The statement is correct. But the reason is not suitable for the statement.
B. The statement is wrong. But the reason is suitable for the statement.
C. The statement is wrong. But the reason is not suitable for the statement
D. The statement is correct. But the reason is suitable for the statement.
Answer:
D. The statement is correct. But the reason is suitable for the statement
Question 6 contains two parts: 6 (A) and 6 (B). Write any one from 6 (A) or 6(B) completely.
Question 6.
(A) Observe the picture.
a) What motion taken place in the picture marked where it is 1 and 2? Write any one characteristics of each motion.
Answer:
a) In i – It is a circular motion.
In ii -Oscillation
Circular motion – Thin motion along a circular path is circular motion.
Oscillation -It is the movement of an object to both sides about the equilibrium position.
b) Write any two examples for these types of motions.
Answer:
Circular motion examples :
i) Swirling a stone tied to a rope.
ii) Toy train running along a circular path.
Oscillation examples :
i) Motion of a swing.
ii) Motion of a hanging lamp.
c) A table that contains the body in motion and types of motions are given below. Find the correct group.
| Body in motion | Type of motion |
| 1) A lift | a) Vibration |
| 2) String of veena | b) Linear motion |
| 3) Wheels of the flour mill | c) Circular motion |
| 4) Hands of a clock | d) Rotation |
A. 1-b, 2-a, 3-d, 4-c
B. 1-c, 2-b, 3-d, 4-a
C. 1-b, 2-c, 3-d, 4-c
D. 1-d, 2-c, 3-b, 4-c
Answer:
| Body in motion | Type of motion |
| 1) A lift | b) Linear motion |
| 2) String of veena | a) Vibration |
| 3) Wheels of the flour mill | d) Rotation |
| 4) Hands of a clock | c) Circular motion |
B) a) Classify the following motions as oscillation and vibration
i) Motion of a pendulum
ii) Motion of the strings in a guitar
iii) Motion of a swing
iv) Motion of the prongs of a tuning fork
v) Motion of the wiper
vi) Motion of the membrane of a drum
Answer:
| Oscillation | Vibration |
| i) Motion of a pendulum | ii) Motion of the strings in a guitar |
| iii) Motion of a swing | iv) Motion of the prongs of a tuning fork |
| v) Motion of the wiper | vi) Motion of the membrane of a drum |
b) How is vibration different from oscillation?
Answer:
Oscillation is the movement of an object to both sides about the equilibrium position, but fast oscillations are called vibrations.
c) Which of the following statements are true?
i. Force must be applied to increase the speed of motion of an object.
ii. Gears are used only to increase speed.
iii. All objects on the earth that are assumed to be at rest are moving along with the earth.
iv. The turning of the hand of the clock is a linear motion.
A. i and iii are correct.
B. Only iii is correct.
C. Only iv is correct.
D. Only ii is correct.
Answer:
A. i and iii are correct.