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A circuit contains an ammeter, a battery of $30\text{ V}$ and a resistance $40.8\,\Omega$ all connected in series. If the ammeter has a coil of resistance $480\,\Omega$ and a shunt of $20\,\Omega$ then reading in the ammeter will be :
If the radius of the ${}_{13}^{27}\mathrm{Al}$ nucleus is taken to be $R_{\mathrm{Al}}$, then the radius of ${}_{53}^{125}\mathrm{Te}$ nucleus is nearly:
Match the Column I and Column II: Column I (a) Scales (b) Comb plates (c) Radula (d) Choanocytes Column II (i) Ctenophora (ii) Mollusca (iii) Porifera (iv) Reptilia (v) Annelida
Which enzyme is responsible for the conversion of inactive fibrinogens to fibrins?
Which of the following is associated with a decrease in cardiac output?
Which of the following is produced when anisole reacts with HI?
Doctors use a stethoscope to hear the sounds produced during each cardiac cycle. The second sound is heard when:
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
Arteries are best defined as the vessels which:
The correct statement in respect of protein haemoglobin is that it:
Which one of the following statements is correct regarding blood pressure?
A long solenoid of radius $1 \text{ mm}$ has $100$ turns per mm. If $1 \text{ A}$ current flows in the solenoid, the magnetic field strength at the centre of the solenoid is:
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
Figure shows a schematic plan of blood circulation in humans with labels A to D. Identify the label and give its function/s.
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:
The value of coefficient of volume expansion of glycerin is $5 \times 10^{-4}\text{ K}^{-1}$. The fractional change in the density of glycerin for a rise of $40^{\circ}\text{C}$ in its temperature is -