Biology Class 12 Objective Questions. We covered all the Biology Class 12 Objective Questions in this post for free so that you can practice well for the exam.
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Biology Class 12 Objective Questions for Students
‘Satiety’ and ‘thirst’ centers in humans are located in which of the following parts of the brain?
(a) Fore-brain
(b) Hypothalamus
(c) Medulla
(d) Optic lobe
Option b – Hypothalamus
In the human brain, memory power is found in
(a) Medulla oblongata
(b) Cerebrum
(c) Brain cavity
(d) Cerebellum
Option b – Cerebrum
Which one of the following organs will not feel any pain on being pricked by a needle?
(a) Skin
(b) Brain
(c) Heart
(d) Eye
Option b – Brain
The temperature of the human body
(a) Decreases in winters
(b) Increases in summers
(c) Neither decreases in winters nor increases in summers
(d) Increases in winters
Option c – Neither decreases in winters nor increases in summers
Which one of the following parts of the human brain is the regulating center for swallowing and vomiting?
(a) Cerebellum
(b) Cerebrum
(c) Medulla oblongata
(d) Pons
Option c – Medulla oblongata
Identify the part of the brain that controls the maintenance of posture, balance, and equilibrium.
(a) Diencephalon
(b) Brainstem
(c) Cerebrum
(d) Cerebellum
Option d – Cerebellum
Which of the following is not a part of the brain?
(a) Medulla
(b) Thalamus
(c) Pons
(d) Pinna
Option d – Pinna
Where is the governing center of reflex action located?
(a) In cerebrum
(b) In cerebellum
(c) In spinal cord
(d) In nerve cells
Option c – In spinal cord
Synaptic vesicles contain chemicals called
(a) Synaptic fluid
(b) Neurotransmitters
(c) Vesicular fluid
(d) All of the above
Option b – Neurotransmitters
Body temperature is regulated by
(a) Thalamus
(b) Hypothalamus
(c) Cerebellum
(d) Medulla
Option b – Hypothalamus
We covered all the biology class 12 objective questions above in this post for free so that you can practice well for the exam.
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