Free Coordination and Control MCQs with Answers
1,687 Coordination and Control MCQs from Biology, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
Last updated
1,687 questions · page 70 of 85
- A. Autonomic reflex arc
- B. Somatic reflex arc
- C. Both A and B
- D. None of these
Explanation: The type of reflex that affects inner organs is "Autonomic reflex arc." Autonomic reflex arcs involve the autonomic nervous system (ANS)…
Correct answer: Autonomic reflex arc- A. Nerve cell
- B. Reflex arc
- C. Receptor cells
- D. Mixed nerve
Explanation: Pathway along which impulses are transmitted from a receptor to an effector called reflex arc.
Correct answer: Reflex arc- A. Synapse
- B. Reflex action
- C. Reflex arc
- D. Voluntary response
Explanation: The explanation for this question is: Relex arc is the path way of passage of impulse during a relex action.
Correct answer: Reflex arc- A. Pleura
- B. Meninges
- C. Synapse
- D. None of these
Explanation: The brain and spinal cord are also protected by triple layers of meninges.
Correct answer: Meninges- A. White matter
- B. Blue matter
- C. Brown matter
- D. Gray matter
Explanation: The explanation for this question is as follows: In spinal cord,Outer zone is white matter and contains axon of sensory neuron in dorsal…
Correct answer: Gray matter- A. Cerebrum
- B. Medulla oblongata
- C. Cerebellum
- D. Pons
Explanation: The explanation for this question is as follow: Medulla oblongata narrows down into an oval shaped hollow cylinder, the spinal cord…
Correct answer: Medulla oblongata- A. Top of brain
- B. Top of spinal cord
- C. Behind the hypothalmus
- D. Behind the thalmus
Explanation: The explanation for this question is as follow: Your medulla oblongata is located at the base of your brain and on top of spinal cord…
Correct answer: Top of spinal cord- A. 5
- B. 10
- C. 12
- D. 15
Explanation: The explanation for this question is as: In total, there are 31 pairs of spinal nerves grouped regionally by spinal region.
Correct answer: 51389. White matter has:
- A. Myelinated sheath
- B. Non-myelinated sheath
- C. Myelinated neuron
- D. Non-myelinated neuron
Explanation: The explanation for this question is as follow: In spinal cord,the grey matter consists of neuron cell bodies and nonmyelinated parts of…
Correct answer: Myelinated sheath- A. 2
- B. 6
- C. 4
- D. 8
Explanation: The explanation for this question is as: The spinal cord and spine are divided into 4 regions from top to bottom: cervical, thoracic…
Correct answer: 4- A. 10
- B. 8
- C. 12
- D. 9
Explanation: In spinal cord, laminae comprise a system of ten layers of grey matter (I-X).
Correct answer: 10- A. 31
- B. 12
- C. 13
- D. None
Explanation: The explanation for this question is as follow: In humans, there are 12 pairs of nerves, which arise from the brain, or lead to the brain.
Correct answer: 31- A. Body temeprature
- B. Blood water potential
- C. Urine osmolarity
- D. Circadian rhythms & emotion
Explanation: The explanation for this question is as follow: The rhythms are in one's genes but the environment influences the rhythms to some extent.
Correct answer: Circadian rhythms & emotion- A. Hypothalamus
- B. Thalamus
- C. Cerebellum
- D. Cerebral cortex
Explanation: The explanation for this question is as follow: The part of the forebrain which lies below the cerebrum is the **thalamus**.1.
Correct answer: Thalamus- A. Hypothalamus
- B. Thalamus
- C. Cerebellum
- D. Cerebrum
Explanation: The explanation for this question is as follow: Cerebrum is the largest part of the brain and is divided into two halves, called cerebral…
Correct answer: Cerebrum- A. Frontal lobe
- B. Parietal lobe
- C. Occipital lobe
- D. Temporal lobe
Explanation: The explanation for this question is as follow: The sensory areas that receive impulses from the skin are primarily contained in the…
Correct answer: Parietal lobe- A. Sleep-wake cycle
- B. Water balance
- C. Thermoregulation
- D. All of these
Explanation: The explanation for this question is as follow: The hypothalamus through its hormone production and neural connections acts as a major…
Correct answer: All of these- A. Present between meninges
- B. Provides protection
- C. Fills central canal of spinal cord
- D. PH is below 7
Explanation: The correct statement is "PH is below 7." The pH of cerebrospinal fluid is not below 7; instead, it is slightly alkaline with a pH around…
Correct answer: PH is below 7- A. Cerebrum
- B. Cerebellum
- C. Amygdala
- D. Medulla Oblongata
Explanation: The explanation for this question is as follow: The cerebellum is important in co-ordinating movements of the body.
Correct answer: Cerebellum- A. Forebrain
- B. Midbrain
- C. Hindbrain
- D. Limbic system
Explanation: The explanation for this question is as follow: Midbrain is reduced in humans, and it contains auditory relay centre and centre that…
Correct answer: Midbrain