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Adult human RBCs are enucleated. Which of the following statement(s) is/ are the most appropriate explanation for this feature? (a) They do not need to reproduce (b) They are somatic cells (c) They do not metabolise (d) All their internal space is available for transport of oxygen
The correct statement in respect of protein haemoglobin is that it:
Which one of the following statements is correct regarding blood pressure?
The product formed by the reaction of an aldehyde with a primary amine is:
Match List - I with List - II and select the correct option: List-I (ECG) (A) P-wave (B) QRS complex (C) T wave (D) End of T wave List-II (Electrical activity of heart) (I) Depolarisation of ventricles (II) End of systole (III) Depolarisation of atria (IV) Repolarisation of ventricles
The diagram given here is the standard ECG of a normal person, The P - wave represents the:
The haemoglobin content per 100 ml of blood of a normal healthy human adult is:
For the reaction $2A + B \rightarrow 3C + D$, which of the following does not express the reaction rate?
The hepatic portal vein drains blood to the liver from:
Match List-I with List-II and select the correct option: List-I (Leucocytes) (A) Eosinophils (B) Lymphocytes (C) Neutrophils (D) Monocytes List-II (Percentage) (I) 6-8% (II) 2-3% (III) 20-25% (IV) 60-65%
Which among the curves shown in the figure represents electrostatic field lines?
A person with an unknown blood group under the ABO system, has suffered significant blood loss in an accident and needs an immediate blood transfusion. His friend who has a valid certificate of his blood type, offers blood donation without delay. What would have been the type of blood group of the donor friend?
A uniform circular disc of radius $50 \text{ cm}$ at rest is free to turn about an axis that is perpendicular to its plane and passes through its centre. It is subjected to a torque that produces a constant angular acceleration of $2.0 \text{ rad/s}^2$. Its net acceleration in $\text{m/s}^2$ at the end of $2.0 \text{ s}$ is approximately:
Magnetic moment due to the motion of the electron in the nth energy state of a hydrogen atom is proportional to
The ionization energy of the electron in the hydrogen atom in its ground state is 13.6 eV. The atoms are excited to higher energy levels to emit radiations of 6 wavelengths. The maximum wavelength of emitted radiation corresponds to the transition between:
Which of the following technique was used to elucidate the double helix model of DNA?
Person with blood group AB is considered as universal recipient because he has:
Erythroblastosis fetalis is caused when:
A light and a heavy body have equal kinetic energy. Which one has a greater momentum?
In a standard ECG, which one of the following alphabets is the correct representation of the respective activity of the human heart?