Environment Studies

Unit 7: MCQ Practice — population growth, family welfare, health and value education
25 MCQs with Answers & Explanations (English + Hinglish) • BA • Semester 1 (AEC)

๐ŸŒ How to use: Har MCQ ka correct answer green me marked hai. Pehle khud answer socho, phir green tick se match karo. Neeche ๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish box me short explanation hai taaki yaad rahe.
๐Ÿ“ Exam pattern yaad rakho (50 marks, MCQ only): Poora paper MCQs ka hai — har question 1 mark, no negative marking. Har MCQ ke neeche correct option green me highlighted hai + 1–2 line explanation diya hai.

Q1 Population explosion means: 1 mark

  • ASudden decrease in population
  • BLarge-scale migration
  • CEqual birth and death rates
  • DRapid population rise due to high birth rate and falling death rate ✓ Correct
Explanation: Better health care cut deaths while births stayed high โ€” the classic cause of the population boom.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Better health care ne deaths cut ki jabki births high rahe โ€” population boom ka classic cause.

Q2 Who proposed the theory that population grows faster than food supply? 1 mark

  • ACharles Darwin, 1859
  • BThomas Malthus, 1798 ✓ Correct
  • CPaul Ehrlich, 1968
  • DM. S. Swaminathan, 1968
Explanation: Malthus's 'Essay on Population' (1798) warned that population grows geometrically, food arithmetically.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Malthus ke 'Essay on Population' (1798) ne warn kiya ki population geometrically, food arithmetically badhta hai.

Q3 Which country launched the world’s first family planning programme? 1 mark

  • AJapan, 1955
  • BIndia, 1952 ✓ Correct
  • CUSA, 1960
  • DChina, 1979
Explanation: India pioneered state-led family planning in 1952, decades before others.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

India ne 1952 me state-led family planning me pioneer kiya, doosron se decades pehle.

Q4 The world population crossed 8 billion in: 1 mark

  • AJune 2032
  • BNovember 2022 ✓ Correct
  • CJanuary 2000
  • DNovember 2012
Explanation: The UN marked the 8-billion milestone on 15 November 2022.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

UN ne 15 November 2022 ko 8-billion milestone mark kiya tha.

Q5 India became the world’s most populous country in: 1 mark

  • A2023 ✓ Correct
  • B2011
  • C2000
  • D2030
Explanation: UN data show India overtook China as the most populous nation in 2023.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

UN data dikhate hain ki 2023 me India China ko overtake karke most populous nation bana.

Q6 “Doubling time” of a population means: 1 mark

  • ATime between two censuses
  • BTime taken to count it twice
  • CTime to halve the population
  • DTime taken for the population to double in size ✓ Correct
Explanation: At 2% annual growth, a population doubles in roughly 35 years.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

2% annual growth pe population roughly 35 years me double hoti hai.

Q7 AIDS stands for: 1 mark

  • AAuto Immune Deficiency Sickness
  • BAdvanced Infection Defence System
  • CAcquired Immuno Deficiency Syndrome ✓ Correct
  • DAcute Immuno Disease Syndrome
Explanation: AIDS is the late stage of HIV infection, which destroys the body's immunity.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

AIDS HIV infection ka late stage hai, jo body ki immunity destroy karta hai.

Q8 HIV spreads through: 1 mark

  • ATouching or hugging
  • BDrinking water
  • CAir and coughing
  • DInfected blood, sexual contact and mother-to-child ✓ Correct
Explanation: It does NOT spread by touch, sharing food or mosquito bites โ€” only via body fluids.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Ye touch, food sharing ya mosquito bites se NAHI failta โ€” sirf body fluids se.

Q9 Which of the following are water-borne diseases? 1 mark

  • ACholera and typhoid ✓ Correct
  • BMalaria and dengue
  • CCancer and diabetes
  • DTuberculosis and flu
Explanation: Contaminated drinking water spreads cholera, typhoid, dysentery and hepatitis.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Contaminated drinking water se cholera, typhoid, dysentery aur hepatitis failte hain.

Q10 Value education in environmental studies aims at: 1 mark

  • APromoting consumerism
  • BBuilding environmental ethics and responsible citizenship ✓ Correct
  • CIncreasing marks only
  • DTeaching computer skills
Explanation: It develops respect for nature, compassion for all life and sustainable lifestyles.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Ye nature ke liye respect, sab life ke liye compassion aur sustainable lifestyles develop karta hai.

Q11 As per Census 2011, India’s population was about: 1 mark

  • A0.95 billion
  • B1.40 billion
  • C1.02 billion
  • D1.21 billion ✓ Correct
Explanation: Census 2011 counted 1.21 billion Indians; the next census was delayed.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Census 2011 me 1.21 billion Indians count hue; next census delayed hua.

Q12 Rapid population growth puts pressure on the environment by: 1 mark

  • AIncreasing forest cover
  • BCleaning the air
  • CReducing waste
  • DIncreasing demand for resources, waste and pollution ✓ Correct
Explanation: More people need more food, water, energy and land โ€” generating more waste and pollution.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Zyada logon ko zyada food, water, energy, land chahiye โ€” zyada waste aur pollution generate hota hai.

Q13 Family welfare programmes in India promote: 1 mark

  • AEarly marriage
  • BOnly large families
  • CChild labour
  • DContraception, sterilisation, maternal and child health ✓ Correct
Explanation: The programme offers informed choice of methods plus health care for mothers and children.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Ye programme methods ka informed choice plus mothers aur children ke liye health care deta hai.

Q14 Infant Mortality Rate (IMR) means: 1 mark

  • ADeaths per hospital
  • BBirth rate per 1,000 people
  • CTotal infant deaths in a year
  • DDeaths of infants per 1,000 live births ✓ Correct
Explanation: IMR is a key health indicator; India's IMR has fallen sharply with better care.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

IMR key health indicator hai; better care se India ka IMR sharply gira hai.

Q15 “Carrying capacity” of an environment means: 1 mark

  • AThe maximum population it can support sustainably ✓ Correct
  • BIts forest cover
  • CIts total land area
  • DIts mineral wealth
Explanation: Beyond carrying capacity, resources degrade and the population cannot be sustained.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Carrying capacity ke beyond resources degrade hote hain aur population sustain nahi ho sakti.

Q16 Rapid urbanisation in India has led to: 1 mark

  • ALess traffic
  • BCleaner rivers
  • CMore forests
  • DSlums, pollution and pressure on water and services ✓ Correct
Explanation: Cities grow faster than housing, water supply and waste systems can cope.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Cities housing, water supply aur waste systems ke cope karne se tez grow karte hain.

Q17 Human health is directly affected by the environment through: 1 mark

  • AOnly genetic factors
  • BOnly diet
  • CPolluted air and water, poor sanitation and disease vectors ✓ Correct
  • DNone of these
Explanation: Dirty water spreads cholera; smoky air causes asthma; stagnant water breeds mosquitoes.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Ganda water cholera failata hai; smoky air asthma karta hai; stagnant water mosquitoes breed karta hai.

Q18 Which of the following is a vector-borne disease? 1 mark

  • AFluorosis
  • BCholera
  • CTyphoid
  • DMalaria (mosquito) ✓ Correct
Explanation: Malaria spreads via the female Anopheles mosquito โ€” the vector carries the parasite.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Malaria female Anopheles mosquito se failta hai โ€” vector parasite carry karta hai.

Q19 Women and child welfare programmes mainly focus on: 1 mark

  • AEmployment of men
  • BHealth, nutrition and education of mothers and children ✓ Correct
  • CRoad building
  • DIndustrial growth
Explanation: Schemes like ICDS provide nutrition, immunisation and pre-school education.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

ICDS jaise schemes nutrition, immunisation aur pre-school education dete hain.

Q20 India’s population growth rate has declined mainly due to: 1 mark

  • AWars
  • BFamines
  • CFamily planning, literacy and better health care ✓ Correct
  • DEmigration
Explanation: Awareness, contraception access and girls' education lowered birth rates steadily.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Awareness, contraception access aur girls' education ne birth rates steadily lower kiye.

Q21 A high dependency ratio means a country has: 1 mark

  • AMore exports
  • BLess population
  • CA large non-working (young + old) population ✓ Correct
  • DMore factories
Explanation: Many children and elderly depend on relatively fewer working-age earners.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Kai children aur elderly relatively fewer working-age earners pe depend karte hain.

Q22 Human rights and a healthy environment are linked because: 1 mark

  • AEnvironment needs no rights
  • BA clean environment is essential for a healthy, dignified life ✓ Correct
  • CThey are unrelated
  • DRights apply only in cities
Explanation: The right to life includes the right to clean air, water and a safe surroundings.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Right to life me clean air, water aur safe surroundings ka right shaamil hai.

Q23 The death rate in India declined mainly because of: 1 mark

  • AFrequent wars
  • BBetter health care, sanitation and immunisation ✓ Correct
  • CLess food
  • DMore births
Explanation: Vaccines, hospitals and clean water cut deaths, especially among infants.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Vaccines, hospitals aur clean water ne deaths cut ki, khaas taur pe infants me.

Q24 A “sustainable” population level means one that: 1 mark

  • AStays within the environment’s carrying capacity ✓ Correct
  • BKeeps growing forever
  • CDoubles every decade
  • DFalls to zero
Explanation: Stability at a level resources can support is the goal โ€” not endless growth.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Goal resources support kar sakein us level pe stability hai โ€” endless growth nahi.

Q25 India’s National Population Policy was announced in the year: 1 mark

  • A2000 ✓ Correct
  • B2010
  • C1990
  • D1952
Explanation: NPP 2000 aimed at stabilising population by 2045 with health-centred goals.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

NPP 2000 ne health-centred goals ke saath 2045 tak population stabilise karne ka aim rakha.

End of Unit 7 MCQ Practice — 25 questions. Revise the explanations before the exam.