Neuroscience Quiz: Reflex Arc and Brain Functions
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Questions and Answers

Which plant hormone is responsible for the elongation of cells?

  • Cytokinin
  • Auxin (correct)
  • Gibberellin
  • Abscisic Acid

What is the plant hormone responsible for the promotion of cell division?

  • Gibberellin (correct)
  • Auxin
  • Ethylene
  • Abscisic Acid

Which plant hormone is mainly responsible for the growth of stem?

  • Cytokinin
  • Abscisic Acid
  • Gibberellin (correct)
  • Ethylene

In plant tropisms, which hormone is commonly associated with phototropism?

<p>Auxin (B)</p> Signup and view all the answers

What stimulates the growth of pollen tubes towards the ovules during fertilization in plants?

<p>Gibberellin (D)</p> Signup and view all the answers

Which plant hormone is involved in regulating the opening and closing of stomata by affecting guard cells?

<p>Abscisic Acid (B)</p> Signup and view all the answers

What is the role of insulin in the body?

<p>Regulating blood sugar level (B)</p> Signup and view all the answers

Why is insufficient secretion of insulin harmful?

<p>Causes diabetes due to unregulated blood sugar levels (C)</p> Signup and view all the answers

What causes the shape change in guard cells?

<p>Amount of water in cells (A)</p> Signup and view all the answers

Why do pea plant tendrils grow in a specific direction?

<p>Rapid cell divisions in contact with support (A)</p> Signup and view all the answers

What triggers the growth of pollen tubes towards ovules?

<p>Chemotropism (A)</p> Signup and view all the answers

By what mechanism do plants exhibit movement in response to sunlight?

<p>Phototropism (C)</p> Signup and view all the answers

Which part of the brain controls involuntary actions like salivation, vomiting, and blood pressure?

<p>Hind brain (C)</p> Signup and view all the answers

What is the main thinking part of the brain?

<p>Fore brain (A)</p> Signup and view all the answers

Which part of the brain controls posture and balance of the body?

<p>Cerebellum (C)</p> Signup and view all the answers

Spinal cord originates from which part of the brain?

<p>Medulla (A)</p> Signup and view all the answers

What is the movement of shoot towards light known as?

<p>Phototropism (B)</p> Signup and view all the answers

Which plant hormone is responsible for inhibiting growth?

<p>Abscisic acid (A)</p> Signup and view all the answers

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