NEET UG BIOLOGY MCQ: BODY FLUIDS AND CIRCULATION

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Identify the wrong statement with reference to the gene ‘I’ that controls ABO blood groups

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Correct option: C

When

{\mathrm{I}^\mathrm{A}}\,\,\mathrm{and}\,\,{\mathrm{I}^\mathrm{B}}

are present together, they express same type of sugar.

Option C (When

{\mathrm{I}^\mathrm{A}}\,\,\mathrm{and}\,\,{\mathrm{I}^\mathrm{B}}

are present together, they express same type of sugar) is wrong because when IA and IB are present together, they express different types of sugar (both A and B antigens).

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In ABO blood grouping, person with blood group

{O^ - }

can accept blood from On a beautiful sunny day, a man went for jogging and climbed few stairs in the park. His heart starts beating 95 times per minute. In left ventricle, the volume of blood at the end of ventricular systole is

60 \,\mathrm{~mL}

whereas the volume of blood at the end of ventricular diastole was

140 \,\mathrm{~mL}

. What is the cardiac output in this person? Which area allows the atria to completely empty as the ventricles fill with blood? Serum is The action potential is conducted to the ventricles by AVN. Damage to AVN results in Purkinje fibres are present in