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Explain Rh-incompatibility in humans.
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Explain different types of blood groups and donor compatibility by making a table.
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Mention the substances that exit from the tubules in order to maintain a concentration gradient in the medullary interstitium.
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Draw a labelled diagram showing reabsorption and secretion of major substances at different parts of the nephron.
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The glomerular filtrate in the loop of Henle gets concentrated in the descending and then gets diluted in the ascending limbs. Explain.
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Match the following and mark the correct option
| Column I | Column II |
| A. Fast muscle fibres | i. Myoglobin |
| B. Slow muscle fibres | ii. Lactic acid |
| C. Actin filament | iii. Contractile unit |
| D. Sarcomere | iv. I-band |
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Which one of the following statement is incorrect?
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Muscles with characteristic striations and involuntary are ______.
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Sarcolemma, sarcoplasm and sarcoplasmic reticulum refer to a particular type of cell in our body. Which is this cell and to what parts of that cell do these names refer to?
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Potential difference across resting membrane is negative. This is due to differential distribution of the following ions ______.
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Resting membrane potential is maintained by ______.
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During resting potential, the axonal membrane is polarised, indicate the movement of +ve and –ve ions leading to polarisation diagrammatically.
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Complete the statement by choosing appropriate match among the following -
| a. Resting potential | i. Chemicals involved in the transmission of impulses at synapses. |
| b. Nerve impulse | ii. Gap between the pre synaptic and post synaptic neurons |
| c. Synaptic cleft | iii. Electrical potential difference across the resting neural membrane |
| d. Neurotransmitters | iv. An electrical wave like response of a neuron to a stimulation |
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What is the difference between electrical transmission and chemical transmission?
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Explain the process of the transport and release of a neurotransmitter with the help of a labelled diagram showing a complete neuron, axon terminal and synapse.
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Which of the following hormones is not sereted by anterior pit?
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Write a short note on the following:
Synapse
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List the hormones secreted by the following:
Hypothalamus
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Give some examples of taxa at different hierarchical levels.
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Can you identify the correct sequence of taxonomical categories?
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