Biology MCQs Online Quiz Test 10

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Solved O Level Biology MCQs With Answers

Q.1: Which of the following has no central nervous system?

  1. Hydra
  2. Man
  3. Planaria
  4. Cockroach

A

Q.2: Maximum speed of nerve impulse transmission is——?

  1. 100 m/sec
  2. 110 m/sec
  3. 120m/sec
  4. 130 m/sec.

C

Q.3: Which of the following are responsible for the detection of changes in environment?

  1. Receptors
  2. Neurons
  3. Effectors
  4. All of these

A

Q.4: Any change in the environment of an organism is called——?

  1. Stimulus
  2. Variation
  3. Response
  4. Reaction

A

Q.5: Co-ordination results in——-?

  1. Regulation of body functions
  2. Organization of body functions
  3. Integration of body functions
  4. All of these

D

Q.6: Which of the followings are effectors——-?

  1. Muscles
  2. Glands
  3. Sensory organs
  4. Both ‘a’ And ‘b’

D

Q.7: Hydra has——?

  1. Brain
  2. Nerves
  3. Neuron-cells
  4. All of these

C

Q.8: Co-ordination in man is brought about by——?

  1. Nervous system
  2. Endocrine system
  3. Both of these
  4. none of these.

C

Q.9: Which of the followings is missing from the nervous system of planaria——-?

  1. Ganglia
  2. Longitudinal nerves
  3. Lateral nerves
  4. none of these

D

Q.10: Which of the following transmits nerve impulse from receptors to central nervous system?

  1. Sensory neuron
  2. Motor neuron
  3. Associative neuron
  4. none of these.

A