List of practice Questions

The passage is primarily concerned with

A necessary ingredient in the eggshell's suitability for gas exchange is its

The passage contains information that would answer which of the following questions about fowl-breeding? I. What function does turning the fertilized egg serve in the hatching process?
II. Why must the egg shed water during the hatching process?
III. What occurs when the amount of water loss during hatching exceeds 15 percent of the egg's initial mass?

The passage would be most likely to appear in

According to the passage, which of the following statements is true of the extent of water loss by the egg during the hatching process?

Of the four alternatives given, find the one which is different from the rest.

Of the four alternatives given, find the one which is different from the rest.

Match List I (Equations) with List II (Types of process) and select the correct option.

Following compounds are given (i) $CH _{3} CH _{2} OH$ (ii) $CH _{3} COCH _{3}$ (iii) $CH _{3}- \underset{\overset{|}{C}H_3}{C}HOH$ (iv) $CH _{3} OH$ Which of the above compound(s) on being warmed with iodine solution and $NaOH$, will give iodoform?

The order of reactivity of phenyl magnesium bromide $(PhMgBr)$ with the following compounds

Three resistors $1\,\Omega , 2\,\Omega$ and $3\,\Omega $ are connected to form a triangle. Across $3\,\Omega$ resistor a $3\,V$ battery is connected. The current through $3\,\Omega$ resistor is

In a common emitter amplifier the input signal is applied across

Charge passing through a conductor of cross-section area $A=0.3 \,m ^{2}$ is given by $q=3 t^{2}+5 t+2$ in coulomb, where $t$ is in second. What is the value of drift velocity at $t=2 s ?$ (Given, $\left.n=2 \times 10^{25} / \,m ^{3}\right)$

The pressure exerted by $6.0 \,g$ of methane gas in a $0.03\, m ^{3}$ vessel at $129^{\circ} \,C$ is (Atomic masses: $C =12.01, \,H =1.01$ and $\left.R=8.314\, JK ^{-1} \,mol ^{-1}\right)$

Some of the properties of the two species, $NO _{3}^{-}$and $H _{3} O ^{+}$are described below. Which one of them is correct?

What is the value of electron gain enthalpy of $Na^+$ if $IE_1$ of $Na = 5.1 \,eV$ ?

In the following reaction, $C_6H_5CH_2Br \ce{->[{(i) \text{Mg,Ether}}][{(ii) H_3O^+}] X }$ the product ' $X$ ' is

Which has the maximum number of molecules among the following ?

Fructose reduces Tollen's reagent due to

Which of the following compound is the most basic ?

Some statements about heavy water are given below. (i) Heavy water is used as moderator in nuclear reactors (ii) Heavy water is more associated than ordinary water (iii) Heavy water is more effective solvent than ordinary water Which of the above statements are correct?

Which one of the following compounds will be most readily dehydrated ?

Which one of the following compounds will be most readily dehydrated ?

$A$ and $B$ are two metals with threshold frequencies $1.8 \times 10^{14}\, Hz$ and $2.2 \times 10^{4}\, Hz$ Two identical photons of energy $0.825 \,eV$ each are incident on them. Then photoelectrons are emitted by (Take $\left.h=6.6 \times 10^{-34} \,J - s \right)$

Two capacitors of capacities $1 \, \mu F$ and $C \, \mu F$ are connected in series and the combination is charged to a potential difference of $120 \,V$. If the charge on the combination is $80 \, \mu C$, the energy stored in the capacitor of capacity $C$ in $\mu J$ is