Syllabus: Paper I > 5. Religion > Anthropological approaches to the study of religion
Factors Affecting Growth and Development in Human Beings — 2016 Paper I
Question · 2016 · Paper I · 20 Marks
Discuss different factors affecting growth and development in human beings.
Model Answer
VAID ICSApproach
- Demand of Question: Provide a life-course, multicausal explanation of human growth, integrating genes, hormones, prenatal conditions, nutrition, disease, ecology and society; include how anthropologists assess growth.
- Structuring the Response: Define growth/development -> genetic/endocrine -> prenatal -> nutrition/disease -> social/ecological -> key scholars/secular trend -> methods and synthesis.
- Key Dimensions to Cover: Polygenic growth; GH-IGF-1/thyroid/sex steroids; maternal-placental factors; nutrition-infection cycle; Boas plasticity; Tanner; Eveleth & Tanner; secular trend; cross-sectional/longitudinal methods; WHO standards.
Model Answer
Introduction
Human growth and development include increase in body size, differentiation and maturation from conception to adulthood. Anthropology treats growth as canalised but plastic: inherited potential is expressed through endocrine, nutritional, ecological and social conditions.
Body
Genetic and constitutional factors: Stature, body proportions and tempo of maturation are polygenic. Sex differences become marked at puberty, while genetic disorders and chromosomal abnormalities may alter growth trajectories. Yet genes specify reaction ranges, not predetermined adult outcomes.
Prenatal environment: Maternal nutrition, placental function, disease, smoking, endocrine status and uterine conditions influence fetal growth and birth weight. Adverse prenatal environments may have long-term effects on metabolism and later health.
Endocrine regulation: Growth hormone–IGF-1, thyroid hormones and insulin support somatic growth; sex steroids produce the adolescent growth spurt and sexual maturation; glucocorticoid excess can retard growth.
Nutrition and disease: Protein-energy deficiency and deficits of iron, iodine, zinc or vitamin D impair growth. Recurrent infection produces a nutrition–infection cycle by reducing intake and absorption while increasing metabolic demand. Improvement can permit catch-up growth, especially when deprivation is temporary.
Socio-economic and cultural factors: Food security, sanitation, healthcare, parental education, family size, gender norms, childcare and psychosocial stress influence both growth and maturation. Physical activity affects bone and muscle, while severe energy imbalance can delay puberty.
Ecology: High altitude is associated with lower birth weight and altered childhood growth; climate, seasonality and pathogen load modify energy allocation. Urbanisation may improve healthcare while increasing obesity through diet and inactivity.
Franz Boas’s immigrant studies demonstrated developmental plasticity, challenging rigid hereditarian interpretations. J.M. Tanner’s Growth at Adolescence and Eveleth and Tanner’s Worldwide Variation in Human Growth established the importance of growth tempo and population comparison. The secular trend—greater stature and earlier maturation under improved living conditions—strongly demonstrates environmental responsiveness.
Growth itself is non-linear. Infancy is rapid, childhood steadier, and adolescence produces a sex-differentiated growth spurt; skeletal, dental and sexual maturation need not proceed at identical rates. Hence chronological age alone is an imperfect index of biological maturity. Anthropologists use stature, weight, body proportions, skinfolds and growth velocity together with dental and skeletal age or pubertal staging. Cross-sectional studies efficiently compare age groups, whereas longitudinal studies reveal individual velocity and timing. This distinction matters because two children of the same height may be at different maturational stages.
Conclusion
Accordingly, growth must be assessed through longitudinal or cross-sectional anthropometry, maturation indicators and appropriate references such as WHO standards. Human growth is therefore a sensitive biocultural record of genotype × environment interaction across the life course.
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UPSC Anthropology Optional 2016 — Paper I
28 questionsSyllabus: Paper I > 12. Applications of Anthropology > Anthropology in designing of defence and other equipments
Syllabus: Paper I > 6. Anthropological Theories > Structuralism > Levi-Strauss
Syllabus: Paper I > 1.4 Human Evolution and emergence of Man > Biological and cultural factors in human evolution
1(b) Cultural Relativism
10 Marks150 words
Syllabus: Paper I > 2.1 The Nature of Culture > Ethnocentrism vis-a-vis Cultural Relativism
Syllabus: Paper I > 2.5 Kinship > Descent theory and alliance theory
1(a) Differences between Social Anthropology and Sociology
10 Marks150 words
Syllabus: Paper I > 1.2 Relationships with other disciplines > Social Anthropology and Sociology
Syllabus: Paper I > 8.1 Research Methods > Fieldwork tradition in Anthropology
Syllabus: Paper I > 10. Human growth and development > Factors affecting growth and development
5(d) Fertility and Fecundity
10 Marks150 words
Syllabus: Paper I > 11.3 Biological and socio-ecological factors influencing fecundity, fertility, natality and mortality
5(e) Forensic Anthropology
10 Marks150 words
Syllabus: Paper I > 12. Applications of Anthropology > Forensic Anthropology
1(e) Functionalism
10 Marks150 words
Syllabus: Paper I > 6. Anthropological Theories > Functionalism
Syllabus: Paper I > 6. Anthropological Theories > Interpretive Anthropology > Geertz
Syllabus: Paper I > 9.7 Concepts and methods of Ecological Anthropology > Bio-cultural adaptations: genetic and non-genetic factors
Syllabus: Paper I > 9.5 Race and racism > Racial traits in relation to heredity and environment
1(c) Lineage and Clan
10 Marks150 words
Syllabus: Paper I > 2.5 Kinship > Descent groups > Lineage and clan
7(a) Critically discuss the Mendelian principles and their application to human populations.
15 Marks
Syllabus: Paper I > 9.2 Mendelian genetics in man > Family study and inheritance
5(c) Neolithic Cultures of India
10 Marks150 words
Syllabus: Paper I > 1.8(b) Cultural Evolution: broad outlines of prehistoric cultures > Neolithic
4(a) Discuss the principles governing production, distribution and exchange in simple societies.
20 Marks
Syllabus: Paper I > 3. Economic Organization > Principles governing production, distribution and exchange
5(a) Rh-Blood Group
10 Marks150 words
Syllabus: Paper I > 9.6 Population variation as genetic marker > ABO and Rh blood groups
5(b) Rhodesian Man
10 Marks150 words
Syllabus: Paper I > 1.6 Phylogenetic status, characteristics and distribution > Rhodesian Man
Syllabus: Paper I > 1.8(b) Cultural Evolution: broad outlines of prehistoric cultures > Chalcolithic
Syllabus: Paper I > 9.8 Epidemiological Anthropology > Infectious and non-infectious diseases
Syllabus: Paper I > 9.4(d) Genetic screening and genetic counselling
Syllabus: Paper I > 1.5 Characteristics of Primates > Skeletal changes due to erect posture and its implications
Syllabus: Paper I > 4. Political Organization and Social Control > Social control in simple societies
1(d) Totemism
10 Marks150 words
Syllabus: Paper I > 5. Religion > Forms of religion > Totemism
Syllabus: Paper I > 2.4 Family > Changing patterns of the family