Match the part of sentences from Column A and B to make five complete sentences. Column B has one more option than required.

Set 1: The Space Mission

Column A

Column B

a. The rocket prepared for

i. explored the distant red planet.

b. Astronauts underwent rigorous

ii. a launch into orbit.

c. After a long journey, the crew

iii. to repair the communication array.

d. They conducted experiments to

iv. training for months.

e. An urgent spacewalk was needed

v. understand cosmic radiation.

 

vi. returned safely to Earth.

Answers: a. ii, b. iv, c. i, d. v, e. iii

Set 2: The Ancient Explorer

Column A

Column B

a. Leif Erikson was a

i. discovered a new landmass.

b. He set sail from

ii. known as Vinland.

c. His longship braved

iii. treacherous northern seas.

d. Upon reaching the coast, they

iv. a legendary Norse explorer.

e. The fertile land was

v. explore the nearby settlements.

 

vi. Greenland in search of new territories.

Answers: a. iv, b. vi, c. iii, d. i, e. ii

Set 3: The Secret Garden

Column A

Column B

a. Mary Lennox discovered

i. neglected and overgrown.

b. The garden had been

ii. began to bloom with life.

c. With the help of Dickon, she

iii. a hidden gate in the wall.

d. Slowly, the forgotten plants

iv. shared its beauty with her friends.

e. The secret garden eventually

v. cleared away the weeds and thorns.

 

vi. located near the old manor house.

Answers: a. iii, b. i, c. v, d. ii, e. iv

Set 4: The Busy Bee (Biology/Ecology)

Column A

Column B

a. A tiny worker bee

i. produces delicious honey.

b. It flew from flower

ii. to collect nectar and pollen.

c. Its legs were covered

iii. carried it back to the hive.

d. The collected nectar

iv. with bright yellow pollen.

e. Inside the hive, the bees

v. buzzed through the meadow.

 

vi. processed the sweet liquid.

Answers: a. v, b. ii, c. iv, d. iii, e. vi

Set 5: The Inventor’s Dream

Column A

Column B

a. Professor Eldridge had

i. light up an entire city.

b. He spent countless nights

ii. tirelessly in his laboratory.

c. His goal was to

iii. a revolutionary new energy source.

d. After many failures, his

iv. solve the global energy crisis.

e. The device he created could

v. final prototype finally worked.

 

vi. presenting his findings to the world.

Answers: a. iii, b. ii, c. iv, d. v, e. i

Set 6: The Human Body

Column A

Column B

a. The heart’s primary function is

i. filter waste products from the blood.

b. Red blood cells are responsible for

ii. pumping blood throughout the body.

c. The lungs facilitate the exchange of

iii. carrying oxygen to body tissues.

d. Digestion begins in the

iv. to absorb nutrients into the bloodstream.

e. The kidneys work to

v. oxygen and carbon dioxide.

 

vi. mouth with the action of saliva.

Answers: a. ii, b. iii, c. v, d. vi, e. i

Set 7: The Liberation War of Bangladesh

Column A

Column B

a. The Bangladesh Liberation War began

i. leading to Bangladesh’s independence.

b. Bangabandhu Sheikh Mujibur Rahman declared

ii. on March 26, 1971.

c. Mukti Bahini was formed by

iii. the independence of Bangladesh.

d. India provided significant support to

iv. the people of East Pakistan.

e. The war concluded on December 16, 1971,

v. trained freedom fighters.

 

vi. the Bangladeshi freedom fighters.

Answers: a. ii, b. iii, c. iv, d. vi, e. i

Set 8: Photosynthesis

Column A

Column B

a. Photosynthesis is the process by which

i. glucose and oxygen.

b. Plants absorb sunlight through

ii. green pigment called chlorophyll.

c. Carbon dioxide enters the leaves through

iii. plants produce their own food.

d. Water is absorbed by the roots and

iv. tiny pores called stomata.

e. The main products of photosynthesis are

v. transported to the leaves.

 

vi. to facilitate respiration.

Answers: a. iii, b. ii, c. iv, d. v, e. i

Set 9: Active and Passive Voice

Column A

Column B

a. The student completed

i. was painted by the artist.

b. The novel was written

ii. her assignment diligently.

c. The ball was caught

iii. will be delivered tomorrow.

d. The artist painted

iv. by the famous author.

e. The packages

v. a beautiful landscape.

 

vi. by the eager fielder.

Answers: a. ii, b. iv, c. vi, d. v, e. iii

Set 10: Rivers of Bangladesh

Column A

Column B

a. The Padma River is a major

i. known as the Jamuna.

b. The Meghna River is formed by the

ii. for agricultural irrigation.

c. The Brahmaputra River enters Bangladesh and is

iii. confluence of the Surma and Kushiyara.

d. Rivers in Bangladesh are essential

iv. distributary of the Ganges.

e. The Sundarbans, a large mangrove forest, is fed by

v. the tides and river flows.

 

vi. transportation and fishing.

Answers: a. iv, b. iii, c. i, d. vi, e. v

Set 11: Food and Nutrition

Column A

Column B

a. Carbohydrates are primarily a source of

i. for growth and repair of tissues.

b. Proteins are essential

ii. vitamins and minerals.

c. Fats provide

iii. helps in digestion and prevents constipation.

d. Fruits and vegetables are rich in

iv. concentrated energy to the body.

e. Dietary fiber

v. quick energy for daily activities.

 

vi. maintaining strong bones and teeth.

Answers: a. v, b. i, c. iv, d. ii, e. iii

Set 12: States of Matter

Column A

Column B

a. Solids have a definite

i. take the shape of their container.

b. Liquids have a definite volume but

ii. move freely and randomly.

c. Gases have neither a definite volume nor

iii. volume and shape.

d. In solids, particles are packed tightly and

iv. definite shape.

e. In gases, particles

v. vibrate in fixed positions.

 

vi. can be easily compressed.

Answers: a. iii, b. i, c. iv, d. v, e. ii

Set 13: Forces and Motion

Column A

Column B

a. A push or a pull is called a

i. causes an object to change its motion.

b. The tendency of an object to resist changes in its state of motion is called

ii. distance covered per unit time.

c. Force applied on an object

iii. friction between surfaces.

d. Speed is defined as the

iv. force.

e. Rolling a ball on the ground eventually stops due to

v. inertia.

 

vi. the acceleration of gravity.

Answers: a. iv, b. v, c. i, d. ii, e. iii

Set 14: Acids, Bases, and Salts

Column A

Column B

a. Acids generally taste

i. neutralize an acid.

b. Bases usually taste

ii. turns litmus paper blue.

c. A base is a substance that can

iii. sour and corrosive.

d. A salt is formed when an acid reacts with

iv. bitter and soapy to touch.

e. A base generally

v. a base.

 

vi. produce hydrogen gas.

Answers: a. iii, b. iv, c. i, d. v, e. ii

Set 15: Environmental Pollution

Column A

Column B

a. Air pollution is caused by

i. affects aquatic life.

b. Water pollution often results from

ii. excessive noise from human activities.

c. Land pollution is largely due to

iii. harmful gases and particles.

d. Noise pollution refers to

iv. industrial waste and sewage.

e. The accumulation of plastics in oceans

v. improper disposal of solid waste.

 

vi. leads to a decrease in biodiversity.

Answers: a. iii, b. iv, c. v, d. ii, e. i

Set 16: Our Solar System

Column A

Column B

a. The Sun is a

i. largest planet in our solar system.

b. Earth is the third planet from the Sun and is unique because it

ii. supports life.

c. Jupiter is the

iii. rocky and closest to the Sun.

d. Mars is known as the red planet due to

iv. star at the center of our solar system.

e. Venus is often called Earth’s twin due to

v. the presence of iron oxide on its surface.

 

vi. its similar size and composition.

Answers: a. iv, b. ii, c. i, d. v, e. vi

Set 17: Public Health

Column A

Column B

a. Good sanitation practices are crucial for

i. providing access to clean water.

b. Vaccinations help prevent the spread of

ii. maintaining community health.

c. Proper disposal of waste prevents

iii. communicable diseases.

d. Many diseases can be avoided by

iv. the breeding of disease-carrying insects.

e. Hand washing is a simple yet effective way of

v. practicing personal hygiene.

 

vi. treating chronic illnesses.

Answers: a. ii, b. iii, c. iv, d. v, e. i

Set 18: Parts of Speech

Column A

Column B

a. A noun is a word that names a

i. describes a verb, adjective, or another adverb.

b. A verb expresses an

ii. person, place, thing, or idea.

c. An adjective

iii. joins words, phrases, or clauses.

d. An adverb

iv. modifies a noun or pronoun.

e. A conjunction

v. action or a state of being.

 

vi. shows the relationship between a noun and another word.

Answers: a. ii, b. v, c. iv, d. i, e. iii

Set 19: Tenses

Column A

Column B

a. The simple present tense is used for

i. an action completed before another past action.

b. The past continuous tense describes

ii. habitual actions or general truths.

c. The future perfect tense indicates

iii. an action that will be completed by a certain time in the future.

d. The present perfect tense shows an action that

iv. an ongoing action in the past.

e. The past perfect tense refers to

v. started in the past and continues to the present.

 

vi. an action that will happen soon.

Answers: a. ii, b. iv, c. iii, d. v, e. i

Set 20: Ecosystem

Column A

Column B

a. An ecosystem consists of all the living organisms

i. convert light energy into chemical energy.

b. Producers are organisms that

ii. depend on producers for food.

c. Consumers are organisms that

iii. recycle nutrients back into the soil.

d. Decomposers break down dead organic matter and

iv. and their physical environment interacting together.

e. A food chain describes the flow of energy from

v. one organism to another.

 

vi. regulate the climate of a region.

Answers: a. iv, b. i, c. ii, d. iii, e. v

Set 21: Energy

Column A

Column B

a. Energy is the capacity to

i. heat, light, and sound.

b. Kinetic energy is the energy of

ii. stored energy due to position or state.

c. Potential energy is

iii. do work.

d. Electrical energy can be converted into

iv. a moving object.

e. Non-renewable energy sources are those that

v. are exhausted much faster than they are formed.

 

vi. cause objects to accelerate.

Answers: a. iii, b. iv, c. ii, d. i, e. v

Set 22: Climate and Environment

Column A

Column B

a. Climate refers to the average weather conditions of a place

i. by releasing greenhouse gases.

b. Global warming is the long-term increase in Earth’s average

ii. lead to desertification and soil erosion.

c. Deforestation contributes to climate change

iii. temperature.

d. Rising sea levels are a direct consequence of

iv. over a long period of time.

e. Excessive use of chemical fertilizers can

v. melting glaciers and thermal expansion of oceans.

 

vi. deplete the ozone layer.

Answers: a. iv, b. iii, c. i, d. v, e. ii

Set 23: Human Rights

Column A

Column B

a. Human rights are fundamental rights inherent to

i. regardless of their race, sex, nationality, etc.

b. The Universal Declaration of Human Rights was adopted by

ii. protect individuals from abuse.

c. The right to education ensures that all children

iii. the United Nations in 1948.

d. Freedom of speech allows individuals to

iv. have access to schooling.

e. Human rights organizations work to

v. express their opinions without fear.

 

vi. establish democratic governments.

Answers: a. i, b. iii, c. iv, d. v, e. ii

Set 24: Bangladesh Economy

Column A

Column B

a. Agriculture is a significant sector in

i. plays a vital role in earning foreign currency.

b. Garment industry in Bangladesh

ii. contributes to rural employment.

c. Remittances from Bangladeshi expatriates

iii. Bangladesh’s economy.

d. Small and medium enterprises (SMEs)

iv. boost the national economy.

e. The service sector includes areas like

v. banking, education, and healthcare.

 

vi. focuses on heavy industries.

Answers: a. iii, b. i, c. iv, d. ii, e. v

Set 25: Simple, Complex, Compound Sentences

Column A

Column B

a. A simple sentence has only

i. two or more independent clauses.

b. A complex sentence contains

ii. one independent clause.

c. A compound sentence is made up of

iii. using coordinating conjunctions.

d. Clauses in a compound sentence are joined by

iv. one independent clause and at least one dependent clause.

e. Dependent clauses cannot stand alone as

v. a complete thought.

 

vi. a verb and a subject.

Answers: a. ii, b. iv, c. i, d. iii, e. v

Set 26: Blood Circulation

Column A

Column B

a. Blood carries oxygen from the lungs to

i. returns deoxygenated blood to the heart.

b. Arteries are blood vessels that carry

ii. nutrients and hormones throughout the body.

c. Veins are blood vessels that

iii. all parts of the body.

d. Capillaries are tiny blood vessels that

iv. oxygenated blood away from the heart.

e. Blood also transports waste products to

v. allow for the exchange of substances between blood and tissues.

 

vi. the kidneys for excretion.

Answers: a. iii, b. iv, c. i, d. v, e. vi

Set 27: Plant Reproduction

Column A

Column B

a. Flowers are the reproductive organs of

i. wind, water, or animals.

b. Pollination is the transfer of pollen from

ii. the process of fertilization.

c. Fertilization in plants occurs when the pollen grain fuses with

iii. seed dispersal.

d. Seeds develop from the ovules after

iv. the stigma to the anther.

e. Fruits are developed from the ovary and aid in

v. flowering plants.

 

vi. the ovum.

Answers: a. v, b. i, c. vi, d. ii, e. iii

Set 28: Sound

Column A

Column B

a. Sound is produced by

i. requires a medium to travel.

b. Sound waves are a type of

ii. is measured in Hertz (Hz).

c. Sound

iii. vibrations.

d. The pitch of a sound depends on its

iv. mechanical wave.

e. The loudness of a sound is determined by its

v. frequency.

 

vi. amplitude.

Answers: a. iii, b. iv, c. i, d. v, e. vi

Set 29: Light

Column A

Column B

a. Light travels in

i. the angle of incidence.

b. Reflection is the bouncing back of light from

ii. straight lines.

c. Refraction is the bending of light as it passes from

iii. a smooth surface.

d. The angle of reflection is always equal to

iv. one medium to another.

e. A convex lens converges light rays, while a concave lens

v. diverges light rays.

 

vi. produces only virtual images.

Answers: a. ii, b. iii, c. iv, d. i, e. v

Set 30: Electricity

Column A

Column B

a. Electric current is the flow of

i. resist the flow of current.

b. Voltage is the measure of

ii. charges through a conductor.

c. Resistance is the property of a material that

iii. the potential difference between two points.

d. A series circuit has

iv. only one path for the current to flow.

e. A parallel circuit provides multiple paths for

v. the current to flow.

 

vi. generates static electricity.

Answers: a. ii, b. iii, c. i, d. iv, e. v

Set 31: Microorganisms

Column A

Column B

a. Microorganisms are living things that are

i. help in digestion and vitamin production.

b. Bacteria are single-celled organisms that can be

ii. too small to be seen with the naked eye.

c. Viruses are non-cellular entities that can only reproduce

iii. harmful or beneficial.

d. Fungi include yeasts, molds, and mushrooms, and play a role in

iv. inside living host cells.

e. Some beneficial bacteria in our gut

v. decomposition.

 

vi. cause allergic reactions.

Answers: a. ii, b. iii, c. iv, d. v, e. i

Set 32: Natural Disasters

Column A

Column B

a. Earthquakes are sudden shakings of the Earth’s

i. the most destructive natural disasters.

b. Floods occur when water overflows its normal boundaries and

ii. surface caused by seismic waves.

c. Cyclones are intense tropical storms that originate over

iii. submerges land.

d. Drought is a prolonged period of abnormally low

iv. warm ocean waters.

e. Tsunamis are large ocean waves often caused by underwater

v. rainfall.

 

vi. earthquakes or volcanic eruptions.

Answers: a. ii, b. iii, c. iv, d. v, e. vi

Set 33: Agricultural Practices

Column A

Column B

a. Crop rotation is a practice of growing different crops

i. to increase crop yield.

b. Irrigation is the artificial supply of water to

ii. prevents soil erosion.

c. Fertilizers are substances added to the soil

iii. in the same area in sequential seasons.

d. Pest control aims to manage or eradicate pests that

iv. agricultural lands.

e. Organic farming avoids the use of synthetic pesticides and

v. damage crops.

 

vi. chemical fertilizers.

Answers: a. iii, b. iv, c. i, d. v, e. vi

Set 34: Government and Citizenship

Column A

Column B

a. Democracy is a form of government where the supreme power is vested in

i. rights and responsibilities of citizens.

b. The Constitution of Bangladesh is the supreme law that

ii. ensures fair and impartial justice.

c. Citizenship refers to the legal relationship between an individual and

iii. defines the structure of the government.

d. The judiciary branch of government

iv. the people and exercised by them directly or indirectly.

e. Voting is a fundamental right and duty that allows citizens to

v. a state.

 

vi. choose their representatives.

Answers: a. iv, b. iii, c. v, d. ii, e. vi

Set 35: Transformation of Sentences

Column A

Column B

a. Changing a positive sentence into a negative one

i. keeps the meaning the same.

b. Transforming an assertive sentence into an interrogative one

ii. involves adding ‘not’ or similar words.

c. Changing from active to passive voice

iii. involves changing the subject into the object.

d. Direct speech is converted to indirect speech by

iv. involves placing the auxiliary verb before the subject.

e. Changing a simple sentence to a complex sentence

v. changing pronouns and tenses.

 

vi. adding a conjunction and a dependent clause.

Answers: a. ii, b. iv, c. iii, d. v, e. vi

Set 36: Adolescence

Column A

Column B

a. Adolescence is the period of transition from

i. rapid physical and emotional changes.

b. During puberty, both boys and girls undergo

ii. maintain good physical and mental health.

c. Hormones play a crucial role in regulating

iii. childhood to adulthood.

d. Peer pressure can significantly influence

iv. the development of secondary sexual characteristics.

e. It is important for adolescents to

v. an adolescent’s decisions and behavior.

 

vi. improve academic performance.

Answers: a. iii, b. i, c. iv, d. v, e. ii

Set 37: History of Ancient Bengal

Column A

Column B

a. The ancient region of Vanga roughly corresponds to

i. flourished under the Pala Dynasty.

b. The Pala Dynasty ruled Bengal for several centuries and was known for

ii. Buddhist culture and art.

c. The Sena Dynasty, which succeeded the Palas, was a Hindu dynasty that

iii. established their capital in Sonargaon.

d. Bengal was a significant center for trade and culture due to its

iv. southern parts of present-day Bangladesh.

e. The arrival of the Turks in the 13th century marked the beginning of

v. its strategic location and fertile land.

 

vi. Muslim rule in Bengal.

Answers: a. iv, b. ii, c. v, d. i, e. vi (Oops, corrected d. The Pala Dynasty was known for flourishing Buddhist culture and art, not their strategic location and fertile land, that fits ‘e’. Let’s re-evaluate and correct.)

Corrected Answers for Set 37: a. iv, b. ii, c. i, d. v, e. vi

Set 38: Minerals and Resources

Column A

Column B

a. Natural resources are materials found in nature that are

i. generate electricity.

b. Minerals are naturally occurring solid substances with a

ii. essential for human life and economic development.

c. Coal is a fossil fuel primarily used to

iii. definite chemical composition.

d. Natural gas is a versatile fuel used for heating and

iv. for construction and making jewelry.

e. Petroleum is a liquid fossil fuel used mainly for

v. electricity generation.

 

vi. transportation and industrial purposes.

Answers: a. ii, b. iii, c. i, d. v, e. vi

Set 39: Sentence Connectors

Column A

Column B

a. ‘However’ is used to introduce

i. show cause and effect.

b. ‘Therefore’ is used to indicate

ii. an additional point.

c. ‘Although’ is used to show

iii. a contrasting idea.

d. ‘In addition’ is used to introduce

iv. a result or consequence.

e. ‘Because’ and ‘since’ are used to

v. a concession or contrast.

 

vi. express a sequence of events.

Answers: a. iii, b. iv, c. v, d. ii, e. i

Set 40: Chemical Reactions

Column A

Column B

a. A chemical reaction is a process that

i. cannot be easily reversed.

b. Reactants are the substances that

ii. combine to form new substances.

c. Products are the new substances that are

iii. formed during a chemical reaction.

d. The law of conservation of mass states that in a chemical reaction,

iv. atoms are rearranged but not created or destroyed.

e. Rusting is an example of a chemical change that

v. results in the formation of new substances.

 

vi. absorbs heat from the surroundings.

Answers: a. v, b. ii, c. iii, d. iv, e. i

Set 41: Adolescence and Health

Column A

Column B

a. Balanced diet during adolescence is crucial for

i. includes regular exercise.

b. Personal hygiene practices help prevent

ii. maintain a healthy body and mind.

c. Regular physical activity helps adolescents

iii. proper growth and development.

d. Avoiding harmful substances like tobacco and drugs helps

iv. the spread of infections.

e. Adequate sleep is essential to

v. protect long-term health.

 

vi. improve academic performance only.

Answers: a. iii, b. iv, c. ii, d. v, e. i

Set 42: Social Evils and Awareness (Social Science – Class 8)

Column A

Column B

a. Child marriage is a harmful practice that

i. can lead to severe health issues.

b. Drug addiction is a serious social problem that

ii. undermines children’s rights and well-being.

c. Dowry system is a social evil that often leads to

iii. affects family stability and economic development.

d. Corruption weakens the foundation of a society by

iv. violence and exploitation against women.

e. Promoting education and awareness helps to combat

v. diverting resources and eroding public trust.

 

vi. social injustices and inequalities.

Answers: a. ii, b. i, c. iv, d. v, e. vi

Set 43: Parts of a Sentence (

Column A

Column B

a. The subject of a sentence is the part that

i. describes the verb, adjective, or adverb.

b. The predicate of a sentence is the part that

ii. performs the action or is described.

c. A direct object receives the action of

iii. modifies the direct object.

d. An indirect object tells to whom or for whom

iv. a transitive verb.

e. An adverbial phrase functions as an adverb and

v. the action of the verb is done.

 

vi. tells something about the subject.

Answers: a. ii, b. vi, c. iv, d. v, e. i

Set 44: Water Resources

Column A

Column B

a. Fresh water is essential for

i. for agriculture and industry.

b. Ground water is water found beneath the Earth’s

ii. used for drinking, washing, and cooking.

c. Surface water includes rivers, lakes, and ponds, and is

iii. surface in aquifers.

d. Water pollution is a major threat to human health and

iv. the environment.

e. Rainwater harvesting is a method of collecting and storing

v. rainwater for future use.

 

vi. leads to increased evaporation.

Answers: a. ii, b. iii, c. i, d. iv, e. v

Set 45: Transportation and Communication

Column A

Column B

a. Roads provide land connections and are vital for

i. connecting distant parts of the world.

b. Railways are efficient for transporting

ii. the movement of goods and people.

c. Waterways, including rivers and sea routes, are important for

iii. heavy goods and large numbers of passengers.

d. Air travel is the fastest mode of transportation, making it ideal for

iv. international trade.

e. Mobile phones and the internet have revolutionized communication by

v. long-distance journeys.

 

vi. enabling instant global connectivity.

Answers: a. ii, b. iii, c. iv, d. v, e. vi

Set 46: Environmental Conservation

Column A

Column B

a. Conservation of natural resources aims to

i. reduces waste and conserves resources.

b. Reforestation is the process of planting new trees to

ii. protect and manage them for sustainable use.

c. Recycling is the process of converting waste materials into

iii. combat climate change and soil erosion.

d. Sustainable development meets the needs of the present without

iv. new products.

e. Reducing, reusing, and recycling are key principles of

v. compromising the ability of future generations to meet their own needs.

 

vi. increasing energy consumption.

Answers: a. ii, b. iii, c. iv, d. v, e. i

Set 47: Structure of the Earth

Column A

Column B

a. The Earth’s outermost layer is called the

i. molten iron and nickel.

b. The mantle is the thickest layer of the Earth and consists of

ii. solid rock.

c. The outer core is composed of

iii. crust.

d. The inner core is a solid ball of

iv. semi-molten rock.

e. Plate tectonics explains the movement of the Earth’s

v. iron and nickel.

 

vi. continental and oceanic plates.

Answers: a. iii, b. iv, c. i, d. v, e. vi

Set 48: Local Government

Column A

Column B

a. Local government bodies are responsible for

i. elected representatives from local communities.

b. Union Parishads operate at the

ii. providing essential services to local communities.

c. Upazila Parishads manage development activities at the

iii. rural level in Bangladesh.

d. City Corporations govern urban areas and provide

iv. sub-district level.

e. Local government elections allow citizens to choose

v. civic amenities.

 

vi. national level policies.

Answers: a. ii, b. iii, c. iv, d. v, e. i

Set 49: Environmental Degradation

Column A

Column B

a. Deforestation is the clearing of forests for other land uses and leads to

i. the loss of biodiversity.

b. Soil erosion is the displacement of the upper layer of soil and can be caused by

ii. overgrazing and strong winds.

c. Desertification is the process by which fertile land becomes

iii. becomes acidic and unproductive.

d. Eutrophication is the excessive richness of nutrients in a lake or other body of water, often due to

iv. desert.

e. Acid rain occurs when sulfur dioxide and nitrogen oxides react with water in the atmosphere, making rain

v. runoff from land.

 

vi. less suitable for agriculture.

Answers: a. i, b. ii, c. iv, d. v, e. iii

Set 50: Historical Figures of Bangladesh

Column A

Column B

a. Bangabandhu Sheikh Mujibur Rahman is recognized as

i. the architect of Bangladesh’s independence.

b. Begum Rokeya Sakhawat Hossain was a pioneer for

ii. women’s education and rights in Bengal.

c. Kazi Nazrul Islam is known as the National Poet of Bangladesh and is revered for his

iii. contributions to Bengali literature and music.

d. Bir Shreshtha are the seven bravest heroes of the

iv. Liberation War of Bangladesh.

e. Sher-e-Bangla A.K. Fazlul Huq played a crucial role in the

v. political and social movements of Bengal.

 

vi. establishing the first university.

Answers: a. i, b. ii, c. iii, d. iv, e. v