6(a) What is acclimatization ? Discuss adaptive responses to high altitude and cold climate.
20 Marks
Syllabus: Paper I > 9.7 Man's physiological responses to environmental stresses
Bio-social Determinants of Fertility and Fecundity — 2021 Paper I
Question · 2021 · Paper I · 15 Marks
Discuss the bio-social determinants of fertility and fecundity.
Model Answer
VAID ICSApproach
- Demand of Question: Distinguish fertility from fecundity and explain their interaction with biological and socio-cultural variables.
- Structuring the Response: Define concepts → biological determinants → social determinants → integrate through proximate-determinant framework.
- Key Dimensions to Cover: Age, nutrition, lactation, disease, marriage, contraception, education, kinship, Davis–Blake and Bongaarts.
Model Answer
Introduction
Fecundity is the biological or physiological capacity to reproduce, whereas fertility is the actual reproductive performance, generally measured through live births. Thus, fertility represents the realised outcome of biological fecundity operating within a particular social, cultural and behavioural environment.
Biological Determinants
Age and reproductive span: Female fecundity begins after menarche, reaches its highest levels during early adulthood and declines with advancing age, ending with menopause. Male reproductive capacity also changes with age.
Nutrition and energy balance: Chronic undernutrition, high physical workload and negative energy balance can suppress ovarian function and reduce fecundability. Human reproductive ecology shows that energetic stress may alter ovulation and reproductive timing.
Lactation: Intensive and prolonged breastfeeding extends post-partum amenorrhoea, delaying ovulation and increasing birth intervals.
Health and disease: Reproductive tract infections, sexually transmitted infections, chronic diseases and endocrine disorders may impair conception or successful pregnancy.
Genetic and physiological factors: Gamete quality, hormonal functioning, congenital abnormalities and permanent or temporary sterility determine biological reproductive potential.
Foetal loss: Spontaneous abortion, stillbirth and intrauterine mortality reduce realised fertility even when conception occurs.
Social and Cultural Determinants
Marriage and sexual exposure: Age at marriage, proportion married, divorce, widowhood, spousal separation and culturally prescribed abstinence regulate exposure to conception.
Contraception and abortion: Availability, acceptance and effective use of contraception directly reduce fertility, while induced abortion influences the number of births.
Breastfeeding practices: Although biologically producing lactational infecundity, their duration and intensity are themselves culturally regulated, making breastfeeding a classic bio-social determinant.
Education and socioeconomic status: Female education, employment, urbanisation and rising costs of child-rearing commonly encourage delayed marriage and smaller desired families.
Family and kinship: Residence, inheritance, family organisation and preference for sons or daughters influence reproductive decisions. Anthropological research in India shows that fertility behaviour is embedded in kinship relations and women’s social position.
Religion and cultural values: Ideals concerning family size, sexuality, contraception and reproduction affect reproductive behaviour.
Bio-social Synthesis
Kingsley Davis and Judith Blake (1956) organised fertility determinants into intermediate variables affecting intercourse, conception and successful gestation. John Bongaarts (1978) later refined these into major proximate determinants, particularly marriage/sexual exposure, contraception, induced abortion and postpartum infecundability, alongside fecundability, sterility and intrauterine mortality.
Biological capacity (Fecundity) + Social-cultural regulation → Actual reproductive performance (Fertility)
Conclusion
Fertility and fecundity are therefore fundamentally bio-social phenomena. While age, physiology, nutrition and health establish the biological limits of reproduction, marriage, kinship, breastfeeding, contraception, education and cultural values determine how far that reproductive potential is actually realised.
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UPSC Anthropology Optional 2021 — Paper I
28 questions1(a) Animism and Deep Ecology
10 Marks150 words
Syllabus: Paper I > 5. Religion > Forms of religion > Animism
Syllabus: Paper I > 12. Applications of Anthropology > Anthropology of sports; nutritional anthropology
1(d) “The bio-cultural approach is the hallmark of Biological Anthropology.” Explain.
10 Marks150 words
Syllabus: Paper I > 1.3 Main branches of Anthropology > Biological Anthropology
Syllabus: Paper I > 11.3 Biological and socio-ecological factors influencing fecundity and fertility
Syllabus: Paper I > 7. Culture, language and communication > Social context of language use
Syllabus: Paper I > 9.4 Chromosomes and chromosomal aberrations in man
2(b) Elucidate the concept of “thick description” of Clifford Geertz with a suitable example.
15 Marks
Syllabus: Paper I > 6. Anthropological Theories > Interpretive Anthropology > Geertz
5(d) Descent Groups
10 Marks150 words
Syllabus: Paper I > 2.5 Kinship > Descent groups
Syllabus: Paper I > 12. Applications of Anthropology > Applied human genetics > Paternity diagnosis
Syllabus: Paper I > 1.8(b) Cultural Evolution: broad outlines of prehistoric cultures > Neolithic
Syllabus: Paper I > 9.3 Mendelian population and Hardy-Weinberg law > Evolutionary mechanisms
1(c) Historical Particularism and Franz Boas
10 Marks150 words
Syllabus: Paper I > 6. Anthropological Theories > Historical Particularism (Boas)
5(a) Human adolescent growth spurt
10 Marks150 words
Syllabus: Paper I > 10. Human growth and development > Stages of growth > Adolescence
5(c) Is race a valid and biologically meaningful concept ?
10 Marks150 words
Syllabus: Paper I > 9.5 Race and racism > Biological basis of racial classification
Syllabus: Paper I > 2.5 Kinship > Alliance theory; structuralism
Syllabus: Paper I > 2.4 Family > Types and classification of the family
1(b) Marriage Regulations and Alliance Theory
10 Marks150 words
Syllabus: Paper I > 2.3 Marriage > Rules of marriage; alliance theory
5(e) Modes of Subsistence
10 Marks150 words
Syllabus: Paper I > 3. Economic Organization > Modes of subsistence
Syllabus: Paper I > 1.6 Phylogenetic status, characteristics and distribution > Homo erectus
Syllabus: Paper I > 10. Human growth and development > Ageing and senescence > Theories of ageing
3(a) How do political organisations of simple societies establish power, authority and legitimacy ?
20 Marks
Syllabus: Paper I > 4. Political Organization and Social Control > Power, authority and legitimacy
Syllabus: Paper I > 1.2 Relationships with other disciplines: Social Sciences
5(b) The losses and gains of erect posture
10 Marks150 words
Syllabus: Paper I > 1.5 Characteristics of Primates > Skeletal changes due to erect posture
1(e) Thermoluminescence (TL) dating
10 Marks150 words
Syllabus: Paper I > 1.8(a) Chronology: relative and absolute dating methods
Syllabus: Paper I > 8.3 Research Methods: Tools of data collection
Syllabus: Paper I > 1.8(b) Cultural Evolution: broad outlines of prehistoric cultures > Mesolithic
Syllabus: Paper I > 2.2 The Nature of Society > Social stratification