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