Neural Control and Co-ordination

Neural Control and Co-ordination prACtiCe Questions Human Neural System 1. Select the incorrect statement: (a) Coordination is the process through which two or more organ interact and complement the function of one another. (b) Neural system provides on organized network of point to point connection for quick coordination. (c) Neural organization is complex in lower invertebrates. (d) Vertebrates have more developed neural system. 2. Human neural system B A Brain C Somatic neural system Autonomic neural system D E Identify A, B, C, D and E: (a) A–Central Nervous System (CNS), B–Peripheral Nervous System (PNS), C–Spinal cord, D–Sympathetic Neural System, E–Parasympathetic Neural System (b) A–Peripheral Nervous System (PNS), B–Parasympathetic Neural System, C–Central Nervous System (CNS), D–Sympathetic Neural System, E–Spinal cord (c) A–Parasympathetic Neural System, B–Spinal cord, C–Central Nervous System (CNS), D–Sympathetic Neural System, E–Peripheral Nervous System (PNS) (d) A–Central Nervous System (CNS), B–Spinal cord, C–Peripheral Nervous System (PNS), D–Sympathetic Neural System, E–Parasympathetic Neural System 3. Somatic neural system transmits impulse to (a) Skeletal muscles (c) Smooth muscles (b) Involuntary organs (d) All of these 4. Which of the following lacks a neural system? (a) Hydra (b) Silver fish (d) Ophiura (c) Spongia (Sponges) 5. Nervous system of hydra is composed of (a) Ganglia chain (b) Vertical ganglion chain interconnected by commissure (c) Network of nerves (d) Brain 6. Nissl’s granules are found in all except (a) Cyton (c) Axon (b) Dendrites (d) Cell body 7. Which of the following system relays impulse from CNS to skeletal muscles? (a) Somatic neural system (b) Sympathetic neural system (c) Parasympathetic neural system (d) Autonomic neural system 8. Dendrites transmit impulse ____ cell body and axon transmits impulse ____ cell body. (a) towards, away from (b) away, towards (d) away, away (c) towards, towards 9. Bipolar axons are found in (a) Retina of eye (c) Mesencephalon (b) Cerebral cortex (d) Embryonic stage 10. Unipolar axons are found in (a) Respiratory epithelium (c) Embryo (b) Retina (d) Cerebral cortex 11. Schwann cell is absent in (a) Myelinated neuron (c) Astrocytes (b) Non myelinated (d) Both (b) and (c) 12. Neuron can (a) Detect stimuli (c) Transmit stimuli (b) Receive stimuli (d) All of these 13. Neuron is a _____ structure composed of three major parts cell body _____ and axon. (a) Macroscopic, dendrites (b) Microscopic, dendrites (c) Microscopic, cyton (d) Microscopic, soma 14. Question A and B is related to digram given below. A Nissl’s granules B Nucleus Schwan cell C Myelin sheath D Axon terminal Synaptic knob Structure of a neuron A) (a) B) (a) (c) Which part do not contain Nissl’s granule? A (b) B (c) C (d) All of these Which path of transmission is correct? A→B→C (b) B → A → C C→B→A (d) B → A → B → C 15. Match the Column: Column I A. Unipolar – B. Bipolar – C. Multipolar – (a) A−1, B−3, C−2 (c) A−3, B−2, C−1 16. Myelinated nerve fibre is found in (a) Spinal nerve (c) Both (a) and (b) Column II 1. Cell body with one axon only, found usually in the embryonic stage. 2. Cell body with one axon and two or more dendrites, found in cerebral cortex. 3. Cell body with one axon and one dendrite, found in retina of eye. (b) A−2, B−1, C−3 (d) A−1, B−2, C−3 (b) Cranial nerve (d) None of these 17. Unmyelinated nerve fibres are commonly found in (a) ANS (b) Somatic neural system (d) None of these (c) Both (a) and (b) Central Nervous System 18. The outermost of the 3 cranial meninges is (b) Dura (a) Arachnoid (c) Pia (d) Sclera 19. Brain stem is formed by (a) Fore brain (b) Mid brain (c) Hind brain (d) Both (b) and (c) 20. Right and left cerebral hemispheres are connected via (b) Corpus callosum (a) Corpus striatum (c) Thalamus (d) Hippocampus 21. Forebrain consist of (a) Cerebrum (b) Thalamus (c) Hypothalamus 22. The cerebrum is made up of how many cerebral hemisphere? (b) 2 (c) 3 (a) 1 (d) All of these (d) 4 23. Select the incorrect statement: (a) Cerebral cortex, greyish in appearance thrown into prominent folds known as sulci and gyri. (b) Concentrated neuron cell body gives grey color to the cerebral cortex. (c) Fibres of the tract, covered with myelin sheath, constitute inner part of cerebral hemisphere. (d) Cerebrum is wrapped around the structure called medulla. 24. Cerebral cortex contains (a) Sensory area (c) Large association area (b) Motor area (d) All of these 25. The association area in cerebral cortex is responsible for (a) Inter sensory association (b) Memory (d) All of these (c) Communication 26. The major coordinating centre for sensory and motor signaling is (a) Thalamus (b) Hypothalamus (c) Medulla (d) Pons 27. Hypothalamus contain the brain centre which controls the (a) Body temperature (b) Urge for eating (c) Urge for drinking (d) All of these 28. Which of the following is true about hypothalamus? (a) Situated at the base of thalamus (b) Contains neurosecretory cell (c) It contains the centre for thermoregulation (d) All of these 29. Limbic system consists of (a) Amygdala (b) Hippocampus (c) Both (a) and (b) (d) None of these 30. The part of brain located between the thalamus, hypothalamus of fore brain and pons is known as (a) Mid-brain (b) Hind-brain (c) Limbic system (d) All of these