List of practice Questions

In which form does the food transported in plants?
In Pheretima, septa are absent between which segments?
In Mollusca, eye is present over a stalk, called
In frog heart, there are cardiac muscles which consists of fibres called
If root of a flowering plant has $24$ chromosomes, then its gamete has how many chromosomes?
$H - O - H$ bond angle in $H _{2} O$ is $104.5^{\circ}$ and not $109^{\circ} 28'$ because of
Diwali rocket is ejecting $50\, g$ of gasses at a velocity of $400 \,m/s$ . The accelerating force on the rocket will be
Contractile vacuole in protozoan Amoeba is meant for
Clamp connections are observed in
Chromosome complement with $2n - 1$ is called
Coir which is obtained from fruit of coconut is
Duramen is present in
In cell cycle, during which phase, chromosomes are arranged in equatorial plate?
Initiation codon is
A symmetric double convex lens is cut in two equal parts by a plane perpendicular to the principal axis. If the power of the original lens is $4\,D$ , the power of a cut lens will be
In radioactive decay process, the negatively charged emitted $\beta-$ particles are
A transformer is used to light a $100\, W$ and $110\, V$ lamp from a $220\, V$ mains. If the main current is $0.5\, A$, the efficiency of the transformer is approximately
A car moves from $X$ to $Y$ with a uniform speed $v_{u}$ and returns to $Y$ with a uniform speed $v_{d}$. The average speed for this round trip is
Under the influence of a uniform magnetic field a charged particle is moving in a circle of radius $R$ with constant speed $v$ . The time period of the motion
What is the wavelength (in $m$ ) of a particle of mass $6.62 \times 10^{-29} g$ moving with a velocity of $10^{3} ms ^{-1} ?$
Which of the following reagents converts both acetaldehyde and acetone to alkanes?
The compounds formed at anode in the electrolysis of an aqueous solution of potassium acetate, are
Continuous emission spectrum is produced by
Cooking is fast in a pressure cooker, because
The annular and spirally thickened conducting elements generally develop in the protoxylem when the root or stem is