Practice Pakistan's most useful MCQs for competitive exams

Which of the following transmits nerve impulse from receptors to central nervous system?

• (A)  Sensory neuron
• (B)  Motor neuron
• (C)  Associative neuron
• (D)  none of thes

Answer

Submitted By :Ali Uppal

Which of the followings is missing from the nervous system of planaria_____________?

• (A)  Ganglia
• (B)  Longitudinal nerves
• (C)  Lateral nerves
• (D)  none of these

Answer

Submitted By :Ali Uppal

Co-ordination in man is brought about by___________?

• (A)  Nervous system
• (B)  Endocrine system
• (C)  Both of these
• (D)  none of thes

Answer

Submitted By :Ali Uppal

Hydra has___________?

• (A)  Brain
• (B)  Nerves
• (C)  Neuron-cells
• (D)  All of these

Answer

Submitted By :Ali Uppal

Which of the followings are effectors______________?

• (A)  Muscles
• (B)  Glands
• (C)  Sensory organs
• (D)  Both ‘a’ & ‘b’

Answer

Submitted By :Ali Uppal

Co-ordination results in_____________?

• (A)  Regulation of body functions
• (B)  Organization of body functions
• (C)  Integration of body functions
• (D)  All of these

Answer

Submitted By :Ali Uppal

Any change in the environment of an organism is called___________?

• (A)  Stimulus
• (B)  Variation
• (C)  Response
• (D)  Reaction

Answer

Submitted By :Ali Uppal

Which of the following are responsible for the detection of changes in environment?

• (A)  Receptors
• (B)  Neurons
• (C)  Effectors
• (D)  All of these

Answer

Submitted By :Ali Uppal

Maximum speed of nerve impulse transmission is____________?

• (A)  100 m/sec
• (B)  110 m/sec
• (C)  120m/sec
• (D)  130 m/sec.

Answer

Submitted By :Ali Uppal

Which of the following has no central nervous system?

• (A)  Hydra
• (B)  Man
• (C)  Planaria
• (D)  Cockroach

Answer

Submitted By :Ali Uppal