Biology Chapter 9 Class 12th Quiz

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which region of the retina lacks rods and cones?

  • Macula
  • Optic nerve
  • Fovea
  • Optic disc (correct)

Which hormone is responsible for the growth of the thyroid gland?

  • Cortisol
  • Calcitonin
  • Thyroid-stimulating hormone (TSH) (correct)
  • Insulin

What is the other name for the Dentist's nerve?

  • Facial nerve
  • Maxillary nerve
  • Mandibular nerve
  • Trigeminal nerve (correct)

Which hormone stimulates liver and muscles for glycogenesis?

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

What property relates to nerve fibres' ability to conduct electrical impulses?

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

What are the functions of the cerebellum?

<p>Regulation of balance and coordination of voluntary movements (D)</p> Signup and view all the answers

Which hormones stimulate the liver for glycogenesis and glycogenolysis?

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

Why are all spinal nerves classified as mixed type?

<p>They contain both sensory and motor fibers (B)</p> Signup and view all the answers

Which disease is characterized by low BMR, delayed puberty, and mental retardation?

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

How do sympathetic and parasympathetic nervous systems differ in terms of pre and post ganglionic nerve fibers?

<p>Sympathetic has short pre-ganglionic fibers and long post-ganglionic fibers, while parasympathetic has long pre-ganglionic fibers and short post-ganglionic fibers (A)</p> Signup and view all the answers

What is the mechanism of hormone action through membrane receptors using a suitable example?

<p>Binding of water-soluble hormones to G-protein coupled receptors on cell membranes (D)</p> Signup and view all the answers

Flashcards are hidden until you start studying

More Like This

Biology Class 12th Chapter 3 Quiz
14 questions
Biology Class 12th Chapter 6 Quiz
6 questions
أنسجة 12th Class
30 questions
Use Quizgecko on...
Browser
Browser