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Free Regeneration and Ageing MCQs with Answers

5 Regeneration and Ageing MCQs from Biology, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.

Regeneration is the replacement of lost or damaged cells, tissues or body parts, ranging from ordinary tissue repair to regrowth in organisms such as planarians. Ageing covers progressive cellular and physiological decline, including reduced repair, senescence, genetic and environmental influences, and the difference between normal ageing and disease.

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5 questions

1. Deciduous plants lose their leaves each year in response to changes in the day length.The biorhythm exemplified in the given statement is

  • A. Circadian rhythm
  • B. Circannual rhythm
  • C. Circatidal rhythm
  • D. Circalunar rhythm

Explanation: The correct answer is Option B: circannual rhythm. This is because deciduous plants lose their leaves once a year, which aligns with the…

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Correct answer: Circannual rhythm

2. Which of the following is not related to apoptosis?

  • A. Loss of tail of developing humans embryos
  • B. Loss of tissues between developing digits
  • C. Controlling the number of neurons
  • D. None of the these

Explanation: All of the options listed are related to apoptosis, which is a programmed cell death process essential for the development, tissue…

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Correct answer: None of the these

3. Internal program of events and sequences of morphological changes by which cell commit a suicide is collectively called:

  • A. Necrosis
  • B. Metastasis
  • C. Epistasis
  • D. Apoptosis

Explanation: Explanation:The internal program of events and sequences of morphological changes by which a cell commits suicide is collectively called…

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Correct answer: Apoptosis

4. Cell death due to tissue damage is called:

  • A. Necrosis
  • B. Metastasis
  • C. Apoptosis
  • D. Epistasis

Explanation: [A] Necrosis is the death of a body tissue,occurring when too little blood flows to the tissue.[B]Metastasis means that cancer has spread…

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Correct answer: Necrosis

5. Healing of a wound and repair is the phenomenon which takes place by the process of:

  • A. Mitosis
  • B. Meiosis
  • C. Cell Growth
  • D. Mitosis & Meiosis

Explanation: Mitosis is important for three main reasons: development and growth, cell replacement, and asexual reproduction.Mitosis heals wounds by…

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Correct answer: Mitosis
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Regeneration and Ageing MCQs: common questions

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Yes. Each Regeneration and Ageing question shows the correct option and a written explanation of why it is correct, so a wrong answer teaches you something rather than just being marked wrong.

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