Class 10 Science MCQs Practice Questions for SEE

MCQ Quiz

Preparing for the Secondary Education Examination (SEE) in Science can be challenging, but with the right practice and preparation, it becomes manageable. Multiple Choice Questions (MCQs) are a popular format in exams like SEE as they test your understanding of various concepts comprehensively. To aid your preparation, here's a curated collection of important MCQs covering key topics from each chapter of the Class 10 Science syllabus.

NOTE:

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UNIT 1: Scientific Study

1. How many types of variables are there?

a) 3
b) 4
c) 5
d) 6

2. The variable that can be controlled while doing the expirenment is called ______ variable.

a) Independent
b) Controlled
c) Dependent
d) Controlled and dependent

3. The variable whosse value depends on other variables and the user cannot determine its value directly is called ______ variables.

a) Independent
b) Controlled
c) Dependent
d) Constant

4. The variable whose value can be determined by the user is called__________variable.

a) Independent
b) Controlled
c) Dependent
d) Constant

5. In a research question, 'effect of physical exercise in the heart beat', which of the following is the independent variable? (A)

a. Type of physical exercise
b. Duration of physical exercise in minute
c. Number of heart beat per minute
d. Both b and c

6. In a research question, 'what is the effect of heat on the solubility of sugar?' identify the independent and dependent variables. (HA) ?
(i) Temperature of water (°C)
(ii) Amount of sugar that can dissolve completely in water (in gram)
(iii) Amount of water (100 g)
(iv) Temperature of sugar

a. (i) and (ii)
c. (ii) and (i)
b. (i) and (iii)
d. (ii) and (iv)

7. The unit of length is called a fundamental unit, because. (U)

a. It depends on other units of measurement.
b. It does not depend on other units of measurement.
c. It is easy to measure.
d. It depends only on two units of measurement.

8. Identify the fundamental units involved in the unit newton (N). (A)

a. kg, m and s
b. kg, m and cm
c. kg, m and K
d. kg, m and Pa

9. Which of the following are the fundamental units involved in the unit of pressure? (A)

a. kg/ms²
b. kg m²/s²
c. g/ms²
d. kg/m³

10. Identify the phys the physical quantity related to the given units. (HA)
(i) kg m³/s3
(ii) kg m/s²

a. (i) Power (ii) Pressur
b. (i) Pressure (ii) Density
c. (i) Force (ii) Pressure
d. (i) Pressure (ii) Force

11. Identify the group of fundamental units from the following. (U)

a. metre, kelvin, watt and newton
b. kilogram, pascal, joule and watt
c. meter, kilogram, second and candela
d. meter, kilogram, watt, and second

12. Which of the following is the group of derived units? (U)

a. m, s, Pa and N
b. Pa, N, m/s and W
c. k, m, kg and s
d. kg,.K, Pa and N

Unit 2: Classification of Living Beings

1. Which of the following plants belongs to division Algae?

a. Riccia
b. Volvox
c. Cycas
d. Liverworts

2. Why is Juniper kept in sub-division gymnosperms?

a. It has needle-shaped leaves.
b. It has naked seeds.
c. It has chlorophyll.
d. It has cones instead of fruit.

3. Identify the dicot plant from the following.

a. Garlic
b. Maize
c. Bamboo
d. Apple

4. Identify the characteristics of the animals that belong to the phylum Coelenterata.

a. It is a multicellular.
b. It is found on land.
c. It moves with the help of tentacles.
d. Its body has a numerous pores.

5.Why is coelenteron called gastrovascular cavity?

a. It is found in hydra.
b. It works to digest and transport.
c. Its shape is like that of a tube.
d. It helps to digest food.

6. Identify the group of animals that belong to phylum Mollusca.

a. Hydra, Jellyfish, Pinworm, Liver fluke
b. Tapeworm, Liver fluke, Diplozoon, Atoplana
c. Octopus, Slug, Unio, Snail
d. Tapeworm, Liver fluke, Diplozoon, Hydra

7. Identify the butterfly on the basis of the characteristics given below.

a. Moist skin, hermaphrodite, nervous system with a nerve ring
b. Moist skin, unisexual, nervous system with a nerve ring
c. Flat body, hemaphrodite, nephridia for excertion, breathes through body surface
d. Body divided into head, throax and abdomen, having jointed legs, flies with the help of wings

8. Which of the given animals belongs to phylum Arthropoda?

a. Cuttlefish
b) Butterfly
c) Jellyfish
d) Starfish

9. What is the function of gills in seahorse?

a. Helps to swim
b. Helps to breathe
cc. Helps to digest food
d. Helps to change direction in water

10. What is the main reason for keeping Dolphin In class Mammalia?

a. Its body has a vertebral column.
b. Its body has a mammary glands.
c. It breathes through the lungs.
d. It gives birth to young ones and suckles them.

11. Which of the following groups of plants belong to sub-division Angiosperms?

a. Ferm, Cycas, Pea, Onion
b. Pine, Mango, Orange, Maize
c. Cycas, Bamboo, Simal, Apple
d. Orange, Garlic, Rose, Sal

12. Why is sunflower kept in sub-division Angiosperms?

a. It has cones and seeds inside the fruit.
b. It has s needle-shaped leaves and produces , flowers.
c. It produces flowers and fruits.
d. It has cones instead of flowers and naked seeds.

Unit 3: Honey Bee

1. Which phylum does drone honey bee lie?

a. Annelida
b. Arthropoda
c. Chordata
d. Mollusca

2. How many types of honey bees are there in a hive?

a. Two
b. Three
c. Four
d. Five

3. How many eggs does a queen bee lay in a day in favorable conditions?

a. 1500
b. 2000
c. 3000
d. 5000

4. Why is the honey bee kept in phylum Arthropoda?

a. It lays eggs.
b. It produces honey.
c. Jointed legs are found in its body.
d. It is a social insect.

5. What is the function of the pollen basket found in the legs of worker honey bee?

a. To make honey
b. To know about the change in environment
c. To collect pollens
d. To search food

6. Identify the queen bee based on the given characteristics:

a. Small and round head, largest and elongated body
b. Medium-sized body, black and hairy
c. Smallest body, chewing and lapping mouth
d. Having pollen basket in legs, no poison glands

7. What is shown in the given figure?

a. Drone bee
b. Worker bee
c. Larva of the honey bee
d. Queen bee

8. What is the major function of the queen bee?

a. To lay eggs
b. To control hive
c. To fight with the enemy
d. To produce honey

9. Which stage of the life cycle of the honey bee is shown in the given figure?

a. Egg
b. Larva
c. Pupa
d. Adult

10. What is the life span of a drone bee?

a. 2-5 years
b. 2 months
c. 6 weeks to 6 months
d. 5 years

11. What is the number of worker bees in a hive?

a. 10,000 to 20,000
b. 30,000 to 50,000
c. 20,000 to 80,000
d. 50,000 to 80,000

12. In which of the following conditions is a queen bee developed?

a. Take royal jelly for the first 3 days
b. Take royal jelly throughout the larval period
c. Take royal jelly for the first 4 days
d. Take royal jelly throughout the pupal period

UNIT 4: HERIDITY

1. Which of the following is the factor that controls the characteristics of organisms?

a. Nucleus
b. Chromosome
c. Cytoplasm
d. Cell

2. Which of the following is the nitrogen base found in RNA?

a. Adenine
b. Cytosine
c. Thymine
d. Uracil

3. Which of the following conditions is not a cell division?

a. Formation of two diploid daughter cells from a diploid mother cell
b. Formation of two parts by breaking of a cell in an accident
c. Formation of four haploid daughter cells
d. Formation of two diploid daughter cells from a single haploid mother cell

4. What type of cell is called a haploid cell? (U)

a. The cell has an equal number of chromosomes as in the mother cell
b. The cell has double chromosomes than that in the mother cell
c. The cell has half the number of chromosomes than that of the mother cell
d. None of them

5. Where is RNA located?

a. Cell
b. Mitochondria
c. Chromosome
d. Cytoplasm

6. Which of the given genetic codes represents a man?

a. 44+XY
b. 44+XX
c. 22+XY
d. 22+Y

7. What is the genotypic ratio of F2-generation in the monohybrid cross of Mendel's experiment?

a. 2:1
b. 1:2:1
c. 3:1
d. 2:2

8. Which of the following is an example of In-breeding? (U)

a. Breeding between parent and son
b. Breeding between brother and sister
c. Breeding between big brother and sister
d. Breeding between grandparent and granddaughter generation

9. Which of the following statements is correct? (HA)

a. Sperm has a Y-chromosome and egg has an X-chromosome.
b. Sperm has an X-chromosome and egg has a Y-chromosome.
c. Both sperm and egg contain the Y chromosome.
d. Sperm contains X and Y chromosomes and egg contains X-chromosome.

10. The complexion of the father is white and mother is black but they gave birth to a black son. What is the reason behind it? (HA)

a. White complexion is dominant
b. Black complexion is recessive
c. Father and mother are hybrid
d. Both mother and father have a black complexion

Unit 5: Physiological Structure and Life Process

1. What is the percentage of plasma in the blood?

a. 45%
b. 55%
c. 80%
d. 90%

2. Which of the following are the functions of plasma?

a. To balance the amount of water in the body
b. To transport hormones in the body
c. To transport nutrients in the body
d. All of them

3. Which disease occurs when the number of RBC is more in our body?

a. Anaemia
b. Polycythaemia
c. Blood cancer
d. Haemophilia

4. Why does blood appear red?

a. Blood is a liquid
b. Blood has haemoglobin
c. Blood helps in transport in the body
d. Blood has WBC

5. Which of the following conditions does a person suffer from anaemia?

a. Decrease in the number of RBCs
b. Decrease in the number of WBCs
c. Due to an enormous increase in the number of WBCs
d. Decrease in the number of platelets

6. What is the average weight of the human heart?

a. 300 g
b. 400 g
c. 350 g
d. 500 g

7. Sita's mother has symptoms like swelling of joints and body aches after consuming red meat and pulses. Name the disease that Sita's mother is suffering from.

a. Diabetes
b. Uric acid
c. Anaemia
d. Haemophilia

8. Which of the following is the function of the aorta?

a. To supply impure blood to different parts of the body
b. To supply pure blood from the heart to lungs
c. To supply pure blood from the left ventricle of the heart to different body parts
d. To supply pure blood from the lungs to the heart

9. How many valves are found in the human heart?

a. 2
b. 3
c. 4
d. 5

10. Identify the blood group based on the test report shown in the table.

Antigen A B O D
Blood clot seen Not seen Not seen Seen

a. A +ve
b. A-ve
c. B+ve
d. AB+ve

11. Which disease occurs if there is a lack of haemoglobin in the blood?

a. Blood cancer
b. Haemophilia
c. Uric acid
d. Anaemia

12. What is the reason for feeling systolic pressure during the contraction of the left ventricle of the heart?

a. Exerting more pressure in the pulmonary artery
b. Transmission of pressure induced in the left ventricle of the heart to the aorta
c. Transmission of pressure induced in the right ventricle of the heart to the artery
d. Both b and c

13. Which of the following conditions is called bradycardia?

a. Heartbeat less than 60
b. Heartbeat more than 100
c. Heartbeat more than 60
d. Heartbeat less than 100

Unit 6: Nature and Environment

1. Which of the following is the natural cause of climate change?

a. Industrialization
b. Production of greenhouse gases
c. Deforestation
d. Volcano eruption

2. Which of the following are the human causes of climate change?

a. Solar activities and deforestation
b. Solar activities and volcano eruption
c. Burning of fossil fuels and industrialization
d. Deforestation and change in the reflection of solar light

3. Which of the following is not the effect of climate change?

a. Change in weather
b. Increase in sea level
c. Negative impact on human health
d. Afforestation

4. What should be done to reduce climate change on the earth?

a. Reducing carbon emission
b. Emphasizing in carbon storage
c. Generate public awareness and change in behavior
d. All of the above

5. What should be done to conserve endangered and rare plants?

a. Conservation of natural places
b. Conservation of rare and endangered plants
c. Conservation and application of rare plants for medicines
d. All of the above

6. What should be done to conserve rare animals and birds?

a. Conservation of natural habitat
b. Strict prohibition on poaching conserved wild lives
c. Management of ex-situ conservation for rare wild lives
d. All of the above

7. Identify the group of protected mammals from the following.

a. Red panda, Striped hyena, leopard cat, black stork
b. Golden monitor lizard, sarus crane, Tibetan antelope, Spotted Linsang
c. Wild yak, Gaur Bison, Clouded Leopard, Four-horned antelope
d. Lesser florican, Himalayan bear, Lynx, Great Tibetan sheep

8. Which of the following is the scientific name of Holy basil (Tulsi)?

a. Azadirachta indica
b. Ocimum sanctum
c. Tinospora cardifodia
d. Curcuma loga

9. Which of the following are the utilities of neem?

a. To purify blood
b. To reduce bad cholesterol
c. To reduce high blood pressure
d. To increase memory

10. Which of the following is the scientific name of Ghiukumari?

a. Acorus calamus
b. Artemisia vulgaris
c. Aloe vera
d. Adhatoda vasica

11. Which one of the following is the main cause of the natural event shown in the given figure?

a. Deforestation
b. Climate change
c. Volcano eruption
d. Afforestation

12. Which part of Bojho is used as medicine?

a. Leaf
b. Root
c. Rhizome
d. Stem

Unit 7: Force and Motion

1. What is the SI unit of gravitation?

a. m
b. kg
c. N
d. Nm

2. What are the two factors that affect the gravitational force?

a. Force and pressure
b. Mass and distance
c. Force and distance
d. Pressure and distance

3. Who propounded the law of gravitation?

a. Darwin
b. Pascal
c. Kelvin
d. Newton

4. What is the relation between gravitational force and the product of masses of any two bodies?

a. Equality
b. Directly proportional
c. Inversely proportional
d. Both b and c

5. What is the relation between gravitational force and the distance between any two masses?

a. Directly proportional
b. Inversely proportional
c. Equality
d. Both a and b

6. What is the average value of the acceleration due to gravity on the earth?

a. 9.83 m/s^2
b. 9.8 m/s^2
c. 9.78 m/s^2
d. 25.14 m/s^2

7. Which one of the following units is the unit of gravitational constant?

a. m/s^2
b. m/s/s
c. kg/m^3
d. m/sec

8. What does it mean by the statement that the value of the universal gravitational constant is \(6.67 \times 10^{-11} \, \text{Nm}^{2}/\text{kg}^2\)?

a. It means the attraction force between two bodies of 1 kg masses at a distance is 1 m is 6.67 N.
b. It means the attraction force between two bodies is 6.67 N.
c. It means the product and masses of two bodies is \(6.67 \times 10^{-11} \, \text{kg}^{2}\).
d. It means the attraction force of the earth is 6.67 N.

9. A person can lift 100 kg mass on the earth. How much mass can he lift on the moon? (g = 1.63 m/s²)

a. 601 N
b. 601 kg
c. 601 Nm
d. 100N

10. Which of the given devices is used to measure the value of the gravitational constant?

a. Spring balance
b. Cavendish balance
c. Beam balance
d. Top pan balance

11. What is the change in the gravitational force between two bodies when the mass of one body is made double?

a. Force increases by two times
b. Force increases by four times
c. Force decreases by two times
d. Force decreases by four times

12. What is the gravitational force on the surface of the moon when the gravitational force on the surface of the earth is 360 N?

a. 10 N
b. 6 N
c. 9.8 N
d. 60 N

Unit 8: Pressure

Which is the unit of pressure among the following units? (K)

a. Pa
b. PA
c. Nm
d. P

What is the force applied perpendicularly on the unit area called? (K)

a. Pressure
b. Thrust
c. Upthrust
d. Density

In which condition does a blowing balloon falls towards ground? (U)

a. Weight of the balloon > Displaced weight of air
b. Weight of the balloon = Displaced weight of air
c. Weight of the balloon = Displaced volume of the air
d. Upthrust = Weight of the balloon

A balloon filled by air rises in the air, why? (U)

a. Weight of the balloon = Upthrust on the balloon
b. Weight of the balloon < Upthrust on the balloon
c. Weight of the balloon = Upthrust on the balloon
d. Weight of the balloon = Displaced volume of air

Which of the following condition does Pascal's law apply? (HA)

a. When pressure is applied in the liquid kept in open vessel
b. When pressure is applied in the solid kept in an enclosed vessel
c. When pressure is applied in the fluid kept in an enclosed vessel
d. When force is applied in the fluid kept in open vessel

How much load can be lifted on the large piston by applying 10N force in the small piston of given hydraulic press?

a. 80 N
b. 80 N
c. 16 N
d. 800 N

On which principle is hydraulic jack based? (U)

a. Pascal's law
b. Archimedes' principle
c. Gravitational law
d. Newton's law

The cross-sectional area of a large piston is two times of the small piston, then what should be the weight of small piston (W1) and large piston (W2) to make a balance of hydraulic machine? (A)

a. W1 = 4N, W2 = 2N
b. W1 = 5N ,W2 = 10N
c. W1 = 2N , W2 = 1N
d. W1 = 3N, W2 = 1.5 N

On which given factors does liquid pressure depend? (K)

a. Colour of the liquid
b. Volume of the liquid
c. Depth of the liquid
d. Shape of the vessel

W1, W2 and W3 are weights of an object on weighing by a spring balance in air, water and oil, what should be the ascending

a. W1< W2< W3
b. W2< W1
c. W3 < W1
d. W2

In a hydraulic press, if the cross-sectional area of a small piston is 100 cm², a big piston is 1m² and effort of 10N is applied on the small piston then how much load can be raised on the big piston?

a. 100N
b. 10000N
c. 10N
d. 1000 N

The cross-sectional area of piston A and B is 20c * m ^ 2 and 0.4m ^ 2 respectively. How much force can lift piston B if 240 N force is applied on piston A?