List of practice Questions

Carbohydrates, ingested in the diet, are hydrolyzed by the enzyme:

Light enters at an angle of incidence in a transparent rod of refractive index of the material of the rod the light once entered into it will not leave it through its lateral face whatsoever be the value of angle of incidence?

LetC be the circle with centre (0, 0)and radius 3 units. The equation of the locus of the mid points of the chords of the circle C that subtend an angle of $\frac{2 \pi}{3}$ at its centre, is :

Largest muscle of the body is

Larger nucleus in a pollen grain is

Kattha is obtained from the heart wood of:

In human beings placenta is formed by:

In humans digestion of food is completed in the

In $Fe(CO)_5$ > the Fe?? bond possesses :

In $[Ag(CN)_2]^-$ , the number of $\pi$ bonds is

In an AC generator, a coil with $N$ turns, all of the same area $A$ and total resistance $R$, rotates with frequency $\omega$ in a magnetic field $B$. The maximum value of emf generated in the coil is:

In a colony of honey bee family there are

If the terminal speed of a sphere of gold (density $= 19.5 kg/m^3$) is $0.2\, m/s$ in a viscous liquid (density $= 1.5\, kg/m^3$), find the terminal speed of a sphere of silver (density $= 10.5\, kg/m^3$) of the same size in the same liquid.

If the expansion in powers of $x$ of the function $\frac{1}{\left(1-ax\right)\left(1-bx\right)}$ is $a_{0}+a_{1}x+a_{2}x^{2}+a_{3}x^{3}+ ..... ,$ then $a_n$ is :

If $ \sigma $ = surface charge density, $ \varepsilon $ = electric permittivity the dimensions of $ \frac{ \sigma}{ \varepsilon } $ are same as

If L is the coherence length and c the velocity of light, the coherent time is

If a ray of light is incident on an equilateral glass prism PQR placed on a horizontal table, then for the minimum deviation which of the following is true?

Human female possess $ 44+XX $ chromosomes. The secondary oocyte shall have:

How many ATPs are produced during glycolysis of one molecule of glucose?

HBr reacts with $CH_2=CH??CH_3$ under anhydrous conditions at room temperature to give :

Given below is a circuit diagram of an $AM$ demodulator.

For good demodulation of $AM$ signal of carrier frequency $f$, the value of $R C$ should be :

For a spontaneous process the correct statement is

For a wire of length $l$ , maximum change in length under stress condition is $2 \,mm$. What is the charge in length under same conditions when length of wire is halved?

Food in plants is translocated in the form of

Flash light equipped with a new set of batteries, produces bright white light. As the batteries wear out,