## Growth, Repair, Regeneration and Ageing MCQ (Multiple Choice Questions and Answers)

**Q1. Growth is**

- Increase in size
- Increase in weight
- Synthesis of new Protoplasm
- All the above

**Answer:4**

**Q2. Substances synthesized during growth are**

- Protoplasmic
- Apoplasmic
- Protoplasmic and apoplasmic
- Nucleic acid

**Answer:3**

**Q3. Early embryonic development stages constitute**

- Functional state
- Free functional state
- Transitional growth
- Fundamental growth

**Answer:2**

**Q4. Growth occurs when**

- Anabolism is higher than catabolism
- Catabolism is higher than anabolism
- Protoplasmic synthesis is more than apoplazmatic synthesis

4.Apoplazmatic synthesis is more than protoplasmic synthesis

**Answer:1**

**Q5.Degrowth takes place when**

1.Anabolism is higher than catabolism

- Catabolism is higher than anabolism

3.Protoplasmic synthesis is more thanapoplazmatic synthesis.

4.Apoplazmatic synthesis is more than protoplasmic synthesis

**Answer:2**

**Q6. Cell growth occurs during**

- Interphase
- Mitotic phase

3.Postmitotic phase

- Interphase and postmitotic phase

**Answer:4**

**Q7.Auxetic growth is characterized by**

- Increase in cell number
- Growth without increase in cell number
- Both increase in cell number and cell growth
- Expansion in transverse direction

**Answer:2**

**Q8. Multiplicative growth is found in**

- Old age
- Adulthood
- Embryo
- Childhood

**Answer:3**

**Q9. Post embryonic growth is**

1.Accretionary

- Auxetic
- Multiplicative
- All the above

**Answer:1**

**Q10.Accretionary growth is due to**

- Reserve cell
- Meristematic cells
- Embryonic cells
- Differentiated cells

**Answer:1**

**Q11. In animals, growth rate is**

- Uniform
- Linear
- Differential
- Slow

**Answer:3**

**Q12. In human beings, which part shows the minimum increase in weight from birth to adulthood**

- Muscles
- Skeleton
- Fat
- Brain

**Answer:4**

**Q13.In human beings which part shows the maximum increase in weight from birth to adulthood?**

- Brain
- Fat
- Muscles
- Skeleton

**Answer:3**

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**Q14. Adult females tend to have less weight than adult males due to lesser development of**

- Muscles
- Skeleton
- Both muscles and skeleton
- Fat

**Answer:3**

**Q15.As compared to an adult male,the Adult female has more**

- Fat
- Brain
- Connective tissues and other parts
- Muscles

**Answer:1**

**Q16. Growth curve indicates**

- Growth rate
- A growth parameter at various intervals

3.Absolute growth

- Absolute increase

**Answer:2**

**Q17.As compared to whole body, the head of new born human baby is**

- One third

2.One-half

3.One-fifth

- One-fourth

**Answer:4**

**Q18. As compared to whole body, the head of an adult human being is**

1.One-fifth

2.One-sixth

3.One-seventh

4.One-eighth.

**Answer:4**

**Q19. The arms attend their proportional size in human beings at**

- Soon after birth
- Age of 2 years
- 10 years of age
- 14 years of age

**Answer:1**

**Q20. Legs attend their proper proportional size in human beings at age of**

- Birth

2.Two years

3.Ten years

4.Eighteen years

**Answer:3**

**Q21. Maximum growth in human foetus occurs at the age of**

- 4 months
- 2 months
- 6 months
- 8 months

**Answer:1**

**Q22. Approximate age of sexual maturity in human beings is**

1.10-14 years

- 8-11 years
- 10-13 years

4.11 – 16 years

**Answer:4**

**Q23. Sexual maturity of house Mouse is attend at the age of**

- 35 days
- 15 days
- 45 days
- 75 days

**Answer:1**

**Q24.Growth in the first 10 – 13 years of age is controlled by**

- Somatotropic hormone
- Thyroxine

3.Thymosin

4.Gonadotropic hormone

**Answer:3**

**Q25. Growth at the end of childhood and during puberty is controlled by**

- Thyroxine

2.Thymosin

- Somatotropic hormone

4.Thyroxine and somatotropic hormones

**Answer:4**

**Q26. In human beings growth stops completely at the age of**

- 18 years

2.22-23 years

- 25 years
- 20 years

**Answer:2**

**Q27. Human body regularly loses cells in the region of**

- Skin surface

2.Lining layer of gut

- Red blood cells
- All the above

**Answer:4**

**Q28. Healing of cuts and wounds is**

- Repair
- Regeneration
- De differentiation
- Growth

**Answer:1**

**Q29. Repetitive regeneration is found in**

- Tadpole
- Molluscs
- Hydra
- Human beings

**Answer:3**

**Q30. Repetitive regeneration occurs in**

- Invertebrates
- Vertebrates
- Both invertebrates and vertebrates
- A few vertebrates

**Answer:3**

**Q31. Restorative regeneration is common in**

- Vertebrates
- Mostly invertebrates
- In some vertebrate groups
- In some invertebrate groups

**Answer:4**

**Q32. Regeneration was first discovered in**

- Planaria
- Hydra
- Sponges
- Salamander

**Answer:2**

**Q33. Regeneration was discovered by**

- Trenbley
- Morgan
- Huxley
- Lamarck

**Answer:1**

**Q34.Repetative regeneration involves**

- Replacement of lost part
- Growth of whole organism from a fragment

3.Healing of injury

- Both 1 and 2

**Answer:3**

**Q35. Restorative regeneration of Molluscs includes the reconstitution of**

- Damaged eye and eye stalks
- Part of head
- Part of foot
- All the above

**Answer:4**

**Q36. Crustaceans, spiders and insects are able to re generate their**

- Abdomen
- Thorax
- Head
- Limbs

**Answer:4**

**Q37.Broken arms are regenerated in**

1.Echinoderms

- Molluscs
- Human beings
- Fishes

**Answer:1**

**Q38.Salamander and Axolotl larva regenrate**

- Limbs, eye structures and intestine

2. Jaws and external gills

- Both 1 and 2
- Trunk

**Answer:3**

**Q39. Regeneration is possible in tadpoles for amputated**

1.Tail and Hind Limbs

2.Jaws and Eyes

- Intestine
- Forelimbs

**Answer:1**

**Q40. What is true about regeneration?**

- Beak in birds
- Tails in lizards
- Fish fins
- All the above

**Answer:4**

**Q41. Mammals can regenerate**

- Brain
- Liver
- Lung

4.Urinary bladder

**Answer:2**

**Q42. Autotomy is recorded in**

- Legs in crabs

2.Tail of lizards

3.Viscera in holothurian echinoderms

- All the above

**Answer:4**

**Q43. Morphallaxis is**

- Reconstruction of the whole body

2.Growth of Lost limb

3.Healing of injury

- Regeneration with the help of blastema

**Answer:1**

**Q44. Morphallaxis is reported in**

1.Porifers

- Coelenterates and Flat worms
- Nemarteans andsome ascidians
- All the above

**Answer:4**

**Q45. Regeneration of a limbs or tail is an example of**

- Compensatory hypertrophy

2. Epimorphosis

- Morphallaxis
- Autotomy

**Answer:2**

**Q46. Accumulation of self and formation of a bud at the site of amputation is**

- Morphallaxis

2.Reparative bud

- Blastema
- Both 1 and 2

**Answer:3**

**Q47. Factors controlling regeneration seem to be**

- Neural
- Hormonal
- Both neural and hormonal
- Genetic

**Answer:3**

**Q48. Restorative regeneration decreases with**

- Increase in complexity of organisation
- Decrease in organisational complexity
- Development of hormones
- Development of nerves

**Answer:1**

**Q49.Gerontology is the branch of science that deals with**

- Sexual reproduction
- Ageing
- Embryo development
- Asexual reproduction

**Answer:2**

**Q50. Ageing is characterized by**

- Decline in metabolic activity
- Increase metabolic activity
- Increased anabolism
- Increased catabolism

**Answer:1**

**Q51. The pumping capacity of heart in 70 years old person as compared to 30 years old person is**

- 35%
- 50%
- 65%
- 55%

**Answer:3**

**Q52. Number of brain cells dead at the age of 70 years constitute**

- 10%
- 20%
- 30%
- 35%

**Answer:2**

**Q53. Decline in hearing power begins after the age of**

- 50 years

2.35 years

- 45 years
- 10 years

**Answer:4**

**Q54.During ageing, collagen present in intercellular spaces becomes**

- Destroyed
- Impermeable and rigid
- More elastic
- All the above

**Answer:2**

**Q55. In an ageing person, there is a**

- Increase in mucopolysaccharide cement of connective tissue
- Gradual alteration in components of connective tissues
- Increase collagen rigidity of connective tissues
- Both 2 and 3

**Answer:4**

**Q56. Growth hormone activity is**

- Unaffected by thyroxine
- Increased by thyroxine
- Decreased by thyroxine
- None of the above

**Answer:2**

**Q57. Auxetic growth is**

- Increase in cell volume only
- Increase in cell number only
- Increase in fatty tissue
- Increase in intercellular material

**Answer:1**

**Q58. The ability of animals to re generate last part was first reported by**

- Patten
- Trenbley
- Storer
- Carlson

**Answer:2**

**Q59. According to immunity theory, ageing is due to**

- Accumulation of errors
- Reduced functioning of endocrine glands

3.Degeneration of thymus

- Accumulation of waste products

**Answer:3**

**Q60.Ageing starts with disappearance of**

- Spleen
- Pituitary gland
- Thymus gland
- Parathyroid gland

**Answer:3**

**Q61. Branch of Biology dealing with ageing is**

- Gerontology

2.Psychobiology

3.Kalology

- Dermatology

**Answer:1**

**Q62. Auxetic growth occurs in**

- Human beings
- Frogs
- Nematodes
- Lizards

**Answer:3**

**Q63. In agiing there is**

- Decrease in cholesterol level
- Increase in calcium content of arteries and cartilage
- Decrease in calcium content of arteries and cartilage
- Decrease in blood urea

**Answer:2**

**Q64.Evisceration occurs in**

1.Coelenterates

- Annelida
- Echinodermata
- Chordata

**Answer:3**

**Q65. Characteristic autotomy occurs in**

- Lizards
- Snakes
- Frogs
- Cockroaches

**Answer:1**

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