Biology Mcqs
Q.1: Which of the following transmits nerve impulse from receptors to central nervous system?X
A. Sensory neuron
B. Motor neuron
C. Associative neuron
D. none of these.
Q.2: Which of the followings is missing from the nervous system of planaria_____________?T
A. Ganglia
B. Longitudinal nerves
C. Lateral nerves
D. none of these
Q.3: Co-ordination in man is brought about by___________?4
A. Nervous system
B. Endocrine system
C. Both of these
D. none of these.
Q.4: Hydra has___________?
A. Brain
B. Nerves
C. Neuron-cells
D. All of these
Q.5: Which of the followings are effectors______________?4
A. Muscles
B. Glands
C. Sensory organs
D. Both a & b
Q.6: Co-ordination results in_____________?&
A. Regulation of body functions
B. Organization of body functions
C. Integration of body functions
D. All of these
Q.7: Any change in the environment of an organism is called___________?B
A. Stimulus
B. Variation
C. Response
D. Reaction
Q.8: Which of the following are responsible for the detection of changes in environment?S
A. Receptors
B. Neurons
C. Effectors
D. All of these
Q.9: Maximum speed of nerve impulse transmission is____________?;
A. 100 m/sec
B. 110 m/sec
C. 120m/sec
D. 130 m/sec.
Q.10: Which of the following has no central nervous system?5
A. Hydra
B. Man
C. Planaria
D. Cockroach

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