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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?
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?
Which of the chemical reagents can be used to distinguish between cis-cyclopenta-1,2-diol and trans-cyclopenta-1,2-diol?
Person with blood group AB is considered as universal recipient because he has:
Erythroblastosis fetalis is caused when:
In a standard ECG, which one of the following alphabets is the correct representation of the respective activity of the human heart?
Which one of the following animals has two separate circulatory pathways?
A diagram showing the axon terminal and synapse is given. Identify correctly at least two of A-D:
Acetone is treated with excess ethanol in the presence of hydrochloric acid. The product obtained will be:
What would be the heart rate of a person if the cardiac output is 5L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL?
The nerve centres which control the body temperature and the urge for eating are contained in:
When a neuron is in resting state i.e., not conducting any impulse, the axonal membrane is:
Receptor sites for neurotransmitters are present on:
Match List-I with List-II: List-I A. Schwann cells B. Synaptic knob C. Bipolar neurons D. Multipolar neurons List-II I. Neurotransmitter II. Cerebral cortex III. Myelin Sheath IV. Retina
The human hindbrain comprises three parts, one of which is:
Given below are two statements: Statement I: Biot-Savart's law gives us the expression for the magnetic field strength of an infinitesimal current element (Idl) of a current-carrying conductor only. Statement II: Biot-Savart's law is analogous to Coulomb's inverse square law of charge q, with the former being related to the field produced by a scalar source, (Idl) while the latter being produced by a vector source, q.
Select the answer with correct matching of the structure, its location and function:
Two equal negative charges of charge -q are fixed at the points (0, a) and (0, -a) on the Y-axis. A positive charge Q is released from rest at the point (2a, 0) on the X-axis. The charge Q will: