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