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.
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- A. Imprinting
- B. Sensitization
- C. Kinesis
- D. Habituation
Explanation: Habituation is the process of gradually becoming accustomed to a stimulus and reducing or ceasing to respond to it.
Correct answer: Habituation- A. Operant conditioning
- B. Classical conditioning
- C. Migration
- D. Aggression
Explanation: It is used in operant conditioning. In a skinner box, animals learn to perform certain behaviors, like pressing a lever or pecking a key…
Correct answer: Operant conditioning- A. Kinesis
- B. Taxis
- C. Imprinting
- D. Habituation
Explanation: Imprinting is a type of learning that occurs during a sensitive phase or critical period in an organism's development, typically during…
Correct answer: Imprinting- A. Classical conditioning
- B. Operant conditioning
- C. Imprinting
- D. Habituation
Explanation: This is the correct answer. Classical conditioning involves associating an involuntary response with a stimulus that doesn't usually…
Correct answer: Classical conditioning- A. Classical conditioning
- B. Operant conditioning
- C. Imprinting
- D. Habituation
Explanation: Habituation is the decrease in response to a stimulus after repeated exposure to it.
Correct answer: Habituation- A. Operant conditioning
- B. Classical conditioning
- C. Imprinting
- D. Aggression
Explanation: This is a type of learning in which behavior is strengthened or weakened by the consequences that follow it.
Correct answer: Operant conditioning- A. Operant conditioning
- B. Classical conditioning
- C. Latent learning
- D. All (A), (B) and (C)
Explanation: 1. Operant Conditioning: This involves learning through consequences. For example, if a rat learns to press a lever in a maze to receive a…
Correct answer: All (A), (B) and (C)- A. Konard Lorenz
- B. Ernest Haeckel
- C. Schwartz
- D. T. H. Morgan
Explanation: Konrad Lorenz, an Austrian zoologist, is credited with coining the term "imprinting." He conducted significant research on animal…
Correct answer: Konard Lorenz- A. Response chain
- B. Endogenous releaser
- C. Sign stimulus
- D. All (A), (B) and (C)
Explanation: The selective responses to stimuli suggested that there must be some built-in mechanism by which sign stimuli were recognized.
Correct answer: Sign stimulus- A. Positive phototaxis
- B. Kinesis
- C. Negative phototaxis
- D. Luminis
Explanation: Kinesis is a non-directional response to a stimulus, where the rate of movement or activity of an organism changes in response to the…
Correct answer: Kinesis- A. Nocturnal
- B. Diurnal
- C. Crepuscular
- D. Arboreal
Explanation: This term describes animals that are most active during the twilight periods at dawn and dusk.
Correct answer: Crepuscular- A. 90 mg / 100 ml
- B. 50 mg / 100 ml
- C. 30 mg / 100 ml
- D. 40 mg / 100 ml
Explanation: The set point of glucose blood level in the body is typically around 90 mg/100 ml.
Correct answer: 90 mg / 100 ml- A. Callus
- B. Chlorotic
- C. Galls
- D. Etiolated
Explanation: Etiolation occurs when plants are grown in the absence of light or with insufficient light.
Correct answer: Etiolated- A. Promote stomatal opening
- B. Promote apical dominance and fruit growth
- C. Promote cell division in cambium
- D. Cause delay in leaf senescence
Explanation: Auxins are not directly involved in promoting stomatal opening. Stomatal opening and closing are primarily regulated by factors such as…
Correct answer: Promote stomatal opening- A. Taste
- B. Pain
- C. Hearing
- D. Light
Explanation: Nociceptors are specialized sensory receptors that respond to potentially damaging stimuli by sending signals to the spinal cord and…
Correct answer: Pain- A. Heat, cold and pain
- B. Touch, pressure, cold, heat and pain
- C. Touch, pressure and pain
- D. Touch and pressure
Explanation: The skin contains receptors for touch, pressure, cold, heat, and pain. These receptors collectively enable us to perceive sensations such…
Correct answer: Touch, pressure, cold, heat and pain- A. Dendrites
- B. Myelin
- C. Axon
- D. Synapse
Explanation: The axon is the long, slender extension of a neuron that conducts nerve impulses away from the cell body and toward other neurons…
Correct answer: Axon- A. Na+and K+
- B. Na+ and Mg++
- C. K+ and Mg++
- D. Mg++ and Ca++
Explanation: Sodium (Na+) and potassium (K+) ions are crucial for the conduction of nerve impulses.
Correct answer: Na+and K+- A. Dopamine
- B. Serotonin
- C. Acetylcholine
- D. All of the above
Explanation: All these neurotransmitters are crucial for communication between neurons in the nervous system and are involved in regulating various…
Correct answer: All of the above- A. Thalamus and limbic system
- B. Cerebrum, limbic system and thalamus
- C. Thalamus and cerebrum
- D. Cerebrum and limbic system
Explanation: The forebrain in humans comprises the cerebrum, which handles higher brain functions, the limbic system, involved in emotions and memory…
Correct answer: Cerebrum, limbic system and thalamus