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Tamil Nadu SSLC (Class 10) Life Processes in Living Organisms Part 2 — practice questions — page 2

Explore 40 free Life Processes in Living Organisms Part 2 questions in Tamil Nadu SSLC (Class 10) Science. Open each question or exercise to read its content, reference answers and available explanation.

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Life Processes in Living Organisms Part 2 questions and exercises with answers

Showing questions 31–40 of 40.

The substance that triggers the fall of mature leaves and fruits from plants is due toRead the answer and worked solution →Involuntary actions in the body are controlled byRead the answer and worked solution →Which of the following is not an involuntary action?Read the answer and worked solution →Which statement is not true about thyroxin?Read the answer and worked solution →Dwarfism results due toRead the answer and worked solution →A doctor advised a person to take an injection of insulin becauseRead the answer and worked solution →The hormone which increases the fertility in males is calledRead the answer and worked solution →Which of the following endocrine glands is unpaired?Read the answer and worked solution →Junction between two neurons is calledRead the answer and worked solution →In humans, the life processes are controlled and regulated byRead the answer and worked solution →

Worked practice questions

The substance that triggers the fall of mature leaves and fruits from plants is due to

  1. auxin
  2. abscisic acid
  3. gibberellin
  4. cytokinin
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Correct answer: B. abscisic acid

This Control and Coordination item tests a core Biology concept. Correct answer: abscisic acid. _Source: syllabus Exemplar Science Class 10_

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Involuntary actions in the body are controlled by

  1. medulla in fore brain
  2. medulla in mid brain
  3. medulla in hind brain
  4. medulla in spinal cord
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Correct answer: C. medulla in hind brain

This Control and Coordination item tests a core Biology concept. Correct answer: medulla in hind brain. _Source: syllabus Exemplar Science Class 10_

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Which of the following is not an involuntary action?

  1. Vomiting
  2. Salivation
  3. Heart beat
  4. Chewing
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Correct answer: D. Chewing

This Control and Coordination item tests a core Biology concept. Correct answer: Chewing. _Source: syllabus Exemplar Science Class 10_

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