🍄 At high altitudes, the number of red blood cells in humans increases because –
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There is more oxygen:
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There is less oxygen
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There are micro-organisms in the air
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More energy is required to keep the body warm
🍄 Which hormone stimulates the heartbeat?
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Gastrin
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Glycogen
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Thyroxine
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Dopamine
The distance between charges should not be more as well as not less than
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10 to the power -14m
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10 to the power -15m
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10 to the power - 10m
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None
🍄 What is present in the seminal plasma?
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Ca ions, fructose, plenty of enzymes
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Ca ions, fructose, some enzymes
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Citrate, Mg ions, enzymes
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None of these
🍄 ‘Golden Rice’ is a rich source of-
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Vitamin B12
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Vitamin C
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Vitamin D
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Vitamin A
🍄What is the structure that connects two epithelia?
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Soma
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Ciliation
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Desmosome
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Microvilli
🍄Vasopressin induces a decrease in water reabsorption and urine secretion, so vasopressin is otherwise called?
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Synovial fluid
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Antidiuretic hormone
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Neurotransmitter
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Growth regulator
🍄 Choose the wrong statement in the context of TMV-
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They have helical symmetry
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It was discovered by D Ivanovsky
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It is a rod shaped virus
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They have single stranded DNA
🍄 Which of the following is not a negative community interaction?
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Herbivores and plants
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Copepods and marine fishes
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Orchids and mango plants
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Parthenium and other plants
🍄 Which of the following organelles is not a part of the endomembrane system?
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Vacuole
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Lysosome
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Golgi bodies
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Peroxisomes