Which one of the following is a possibility for most of us in regard to breathing, by making a conscious effort?
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(a) One can breathe out air totally without oxygen (b) One can […]
Which one of the following is one of the paths followed by air/O₂ during respiration in an adult male Periplaneta americana as it enters the animal body?
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(a) Hypopharynx, mouth, pharynx, trachea, tissues […]
What is true about RBC s in humans?
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(a) They carry about 20-25 per cent of CO₂ (b) They transport 99.5 per cent of O₂ (c) They transport about 80 per cent oxygen […]
Arteries are best defined as the vessels which:
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(a) supply oxygenated blood to the different organs (b) break up into capillaries which reunite to form one visceral rogan (c) break up in […]
ABO blood groups in humans are controlled by the gene I. It has three alleles – Iᴬ Iᴮ and i. Since there are three different alleles, six different genotypes are possible. How many phenotypes can […]
The most popularly known blood goruping is the ABO grouping. It is named ABO and not ABC, becaue “O” in it refers to having
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(a) overdominance of this type on the genes […]
What is true about Nereis, scorpion, cockroach and silver fish?
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(a) They all posses dorsal heart (b) None of them is aquatic (c) They all belong to the same phylum (d) They […]
Given below is the ECG of a normal human. Which one of itss components in human is correctly interpreted below
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(a) complex QRS – One complete Pulse (b) Peak T – Inititation […]
Which one of the following statements is correct regarding blood pressure?
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(a) 13/90 mmHg is considered high and requires treatment (b) 100/55 mmHg is considered an ideal blood pressure (c) 105/50cmmHg makes […]
In a standard ECG which one of the following alphabets is the correct representation of the respective activity of the human heart?
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(a) S – start of systole (b) T – end […]
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