List of practice Questions

In the monocot root, we obseve

In the nuclear reactors the moderators are used to :

In the hydroponic technique, to obtain the optimum growth, nutrient solutions must be

In the manufacture of safety matches we use

In the given reaction : $ {CH3CH2OH ->[KMnO_4][H^+] A }$$ { ->[B][H_2SO_4 /heat] CH3COOCH2CH3}$ A and B are

In the given representation of Calvin cycle, Identify $A, B$ and $C$ and select the correct option.

In the given $T.S.$ of human ovary identify $A$ to $F$ and select the correct option.

In the given transverse section of stem showing periderm, identify the parts labelled $P$, $Q$, $R$, $S$ and select the correct option.

In the Frasch process, molten sulphur rises up from the

In the given figure of the heart which of the labelled part $(1, 2, 3,4, 5)$ carries oxygenated blood?

In the given flow chart, the flow of water is shown from soil to xylem of the root. Identify the tissues involved in steps $A$ and $B$.

In the given graph, a periodic property $(R)$ is plotted against atomic numbers $(Z)$ of the elements. Which property is shown in the graph and how it is correlated with reactivity of the elements?

In the following reaction, the energy released is $4 ^{1}_{1}H \to ^{4}_{2}He + 2e^{+} +$ Energy Given : Mass of $^{1}_{1}H = 1.007825 \,u$ Mass of $^{4}_{2}He = 4.002603\, u$ Mass of $e^{+} = 0.000548\, u$

In the following sets of reactants which two sets best exhibit the amphoteric characters of $ {Al_2O_3. xH_2O}$ ? Set 1: $ {Al2O3.xH2O (s)}$ and $ {OH- (aq)}$ Set 2: $ {Al2O3.xH2O (s)}$ and $ {H2O (l)}$ Set 3: $ {Al2O3.xH2O (s)}$ and $ {H+ (aq)}$ Set 4: $ {Al2O3.xH2O (s)}$ and $ {NH3 (aq)}$

In the formula $X = 3YZ^2$, $X$ and $Z$ have dimensions of capacitance and magnetic induction respectively. The dimensions of $Y$ in $MKSQ$ system are

In the following diagram of a leg of cockroach some parts have been indicated by alphabets. Choose the answer in which these alphabets have been correctly matched with the parts which they indicate

In the following reaction : $ {Acetamide ->[P_2O_5][\Delta] Y ->[H_2O/HCl][\Delta] Z ->[NaOH][CaO] CH_4 }$, identify Z :

In the following reaction, $C_6H_5COOCH_3\xrightarrow[H_2O/H^+]{LiAlH_4}A+B$ A and Bare respectively

In the first transition series, the element which shows highest oxidation state has the electronic configuration

In the following chemical reaction: $ {Ag_2O + H_2O + 2e^{-} -> 2Ag + 2OH^{-}} $

In the following compounds The order of acidity is

In the following decomposition reaction $ {2H_2O ->[\Delta] 2 H_2 + O_2}$

In the extraction of aluminium from bauxite, cryolite is used to

In the extraction of copper from its sulphide ore, the metal is finally obtained by the reduction of cuprous oxide with:

In the $F_2$ generation of a Mendelian dihybrid cross the number of phenotypes and genotypes are