Class 10 Human Growth and Development Mock Test (ICSE)

Topics in Human Growth and Development

• Growth and development
• Factors influencing growth and development
• Stages of growth
• Role of physical activity in development

Human Growth and Development practice questions with answers

1. Q1Multiple choice·1 mark
   How does regular physical activity primarily contribute to neuromuscular development in children?

   1. (a)By enlarging the heart and increasing its stroke volume
   2. (b)By improving coordination, agility, and reaction time
   3. (c)By increasing bone mineral density and bone strength
   4. (d)By increasing lung capacity and breathing efficiency
   Show answer and step marks

   1. Correct option: (b) By improving coordination, agility, and reaction time+1

   Answer: (b)
2. Q2Multiple choice·1 mark
   Which of the following best distinguishes 'growth' from 'development'?

   1. (a)Growth is qualitative and lifelong, whereas development is quantitative and stops at maturity.
   2. (b)Growth and development are identical terms used interchangeably in physical education.
   3. (c)Development is restricted only to an increase in body weight and height.
   4. (d)Growth refers to quantitative physical changes, whereas development refers to qualitative functional changes.
   Show answer and step marks

   1. Correct option: (d) Growth refers to quantitative physical changes, whereas development refers to qualitative functional changes.+1

   Answer: (d)
3. Q3Multiple choice·1 mark
   Which of the following is an environmental factor that significantly influences human growth and development?

   1. (a)Genetic code and chromosomal structure
   2. (b)Innate biological potential
   3. (c)Nutritional intake and socio-economic status
   4. (d)Endocrine gland secretions
   Show answer and step marks

   1. Correct option: (c) Nutritional intake and socio-economic status+1

   Answer: (c)
4. Q4Multiple choice·1 mark
   During which stage of human growth and development does the second rapid spurt in height and weight, together with the appearance of secondary sexual characteristics, typically take place?

   1. (a)Adolescence
   2. (b)Late adulthood
   3. (c)Early childhood
   4. (d)Infancy
   Show answer and step marks

   1. Correct option: (a) Adolescence+1

   Answer: (a)
5. Q5Short answer·2 marks
   State any two ways in which proper nutrition influences the physical growth and development of an individual during their formative years.
   Show answer and step marks

   1. First way, any one of: proteins supply the building material for muscles and other tissues; calcium, phosphorus and vitamin D build strong bones and teeth; carbohydrates and fats provide the energy for growth and activity; vitamins and minerals keep metabolism working and strengthen immunity, preventing illnesses that slow growth; iron prevents anaemia and supports physical and mental development; or any other valid effect.+1
   2. Second way, a different one from the same list.+1

   Answer: Any two of: proteins build muscles and tissues; calcium and vitamin D build strong bones and teeth; carbohydrates and fats supply energy for growth; vitamins and minerals support metabolism and immunity, preventing growth-stunting illness; iron prevents anaemia.
6. Q6Long answer·4 marks
   Childhood and adolescence are critical periods in human growth and development. (a) State two physical characteristics of the early childhood stage. [2] (b) Describe two significant physiological changes that occur during adolescence. [2]
   Show answer and step marks

   1. (a) First characteristic of early childhood, any one of: growth is steady and slower than in infancy; gross and fine motor skills and coordination improve; limbs grow faster than the trunk, so body proportions change and baby fat is lost; milk teeth begin to be replaced by permanent teeth towards the end of the stage; or any other valid physical characteristic.+1
   2. (a) Second characteristic, a different one from the same list.+1
   3. (b) First physiological change in adolescence, any one of: the adolescent growth spurt, a rapid increase in height and weight; maturation of the reproductive organs under the influence of sex hormones; appearance of secondary sexual characteristics (facial hair and a deeper voice in boys, breast development and menstruation in girls); increase in muscle mass and strength, and in heart and lung capacity; or any other valid physiological change.+1
   4. (b) Second physiological change, a different one from the same list.+1

   Answer: (a) Any two of: steady, slower growth than in infancy; improving motor skills and coordination; limbs growing faster than the trunk; milk teeth beginning to be replaced by permanent teeth. (b) Any two of: the adolescent growth spurt; maturation of reproductive organs; appearance of secondary sexual characteristics; increase in muscle mass, strength and heart-lung capacity.

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