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Unit II : Biological Basis of Behavior (Very Short Answer Questions) - BA, BBA, BHM (Part 2)

Science and Psychology

Unit II : Biological Basis of Behavior (Very Short Answer Questions) - BA, BBA, BHM (Part 2)

1. Why pituitary gland is known as master gland?

Ans: The pituitary gland is called the "master gland" of the body because it produces hormones that regulate other endocrine glands. 

2. How do biological factors determine psychological behavior?

Ans: Biological factors determine psychological behavior by

  • Giving insight about hereditary factors to describe behavior. Example; Twins
  • Many psycho-social phenomena like discrimination, prejudices, etc can be handled through biological processes.
  • Various psycho-physical maladjustment can be relieved by understanding biological factors. Example; hypertension, drugs, heart disease, cancer, etc.
3. What is nerve impulse?

Ans: It is the means by which a nerve cell communicates with another cell. This signal is relayed along the axon of the nerve cell, bringing a message that instructs an effector to act.

4. What is endocrine system?

Ans: The endocrine system is a complex network of glands and organs. It uses hormones to control and coordinate your body's metabolism, energy level, reproduction, growth and development, and response to injury, stress, and mood.

5. Write about a synapse.

Ans: Synapses are microscopic gaps that separate the terminal buttons of one neuron from receptors (usually, located on the dendrites) of another neuron. When neurons communicate, they release chemicals that must travel across this gap to stimulate the post-synaptic receptors.

6. Differentiate between the function of rod cell and cone cell.

Ans: Rods are responsible for vision at low light levels or scotopic vision. Whereas, the cones are responsible for vision at higher light levels or photopic vision.

You may also like to read: Unit II : Biological Basis of Behavior (Very Short Answer Questions) - BA, BBA, BHM (Part 1) 

References:

https://quizlet.com/577569451/chapter-13-endocrine-glands-lab-flash-cards/

https://bcisnotes.com/firstsemester/general-psychology/importance-of-biology/

https://www.biologyonline.com/dictionary/nerve-impulse

https://www.hopkinsmedicine.org/health/wellness-and-prevention/anatomy-of-the-endocrine-system

https://www.sciencedirect.com/topics/biochemistry-genetics-and-molecular-biology/synapse

https://byjus.com/neet/difference-between-rods-and-cones/#

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