SINDH RECONDUCTED MDCAT 2024 RECONDUCTED MDCAT 2024 ( PART 3 ) 1. Who receives stimuli and conducts impulse to the cell body Axon Sensory neuron Motor neurons Dendrites 2. A nerve impulse arriving at the axon terminal causes the opening of: Chloride channel Calcium & sodium channels Potassium channel Calcium channel 3. The first stable product of light independent reaction having 3-carbons is: 3-phospphoglyceraldehyde Dihydroxyacetone phosphate 1,3- biphosphate glycerate 3-phosphoglyceric acid 4. A disulphide bridge is found in which biomolecule Carbohydrate Protein Enzyme Lipid 5. The number of spinal nerves that originate from the spinal cord: 24 nerves 48 nerves 40 nerves 62 nerves 6. Which of the following helps in long term memory in humans Medulla Hippocampus Cerebrum Cerebellum 7. The pathway in which water & minerals are stopped by a casparian strip is known as: Transmembrane pathway Apoplast pathway Symplast pathway Vacuolar pathway 8. Nicotine stimulates heart rate, blood pressure, and muscular activity because: It has excitatory effects on acetylcholine receptors It inhibits the synapse between neurons It has inhibitory effects on acetylcholine receptors Causing drop in the heart rate 9. Completes the life cycle in two boats snail, sheep or man: Tapeworm Liver Fluke Snail Earthworm 10. Which statement is correct about cnidarians They kill the prey with the help of spicules They kill the prey with the help of stinging cells They kill the prey with the help of barbs They kill the prey with the help of tentacles Loading … Pages: 1 2 3 4 5 6 7 8 9
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