AIPMT 2011 Mains Mock Test

The cells lining the blood vessels belong to the category of:

Consider the following statements $(A-D)$ about organic farming:$A.$ Utilizes genetically modified crops like Bt cotton.$B.$ Uses only naturally produced inputs like compost.$C.$ Does not use pesticides and urea.$D.$ Produces vegetables rich in vitamins and minerals.Which of the above statements are correct?

Select the correct statement with respect to diseases and immunisation:

$\text{Selaginella}$ and $\text{Salvinia}$ are considered to represent a significant step toward evolution of seed habit because:

Which one of the following animals may occupy more than one trophic levels in the same ecosystem at the same time?

Which one of the following is essential for photolysis of water?

What happens during fertilisation in humans after many sperms reach close to the ovum?

Bulk of carbon dioxide $({\text{CO}}_2)$ released from body tissues into the blood is present as:

In mitochondria, protons accumulate in the:

The unequivocal proof of $\text{DNA}$ as the genetic material came from the studies on a:

Whorled simple leaves with reticulate venation are present in:

Given below is the $\text{ECG}$ of a normal human. Which one of its components is correctly interpreted below?

Three of the following pairs of the human skeletal parts are correctly matched with their respective inclusive skeletal category and one pair is not matched. Identify the non-matching pair.

What is common between vegetative reproduction and Apomixis?

Read the following statement having two blanks $(A\text{ and }B)$:"A drug used for $(A)$ patients is obtained from a species of the organism $(B)$."Which is the correct option for the two blanks?

Which one of the following conditions of the zygotic cell would lead to the birth of a normal human female child?

The $24$ hour (diurnal) rhythm of our body such as the sleep-wake cycle is regulated by the hormone:

Which one of the following pairs is wrongly matched while the remaining three are correct?

The function of companion cells is:

Which one of the following is not considered as a part of the endomembrane system?

In Kranz anatomy, the bundle sheath cells have:

Sweet potato is homologous to:

Ureters act as urinogenital ducts in:

Which one of the following is a possibility for most of us in regard to breathing, by making a conscious effort?

Read the following four statements $(A-D)$. Which are the two statements having mistakes?$(A)$ The first transgenic buffalo Rosie produced milk which was human alpha-lactalbumin enriched.$(B)$ Restriction enzymes are used in isolation of $\text{DNA}$ from other macro-molecules.$(C)$ Downstream processing is one of the steps of $\text{R-DNA}$ technology.$(D)$ Disarmed pathogen vectors are also used in transfer of $\text{R-DNA}$ into the host.

The pathogen $\text{Microsporum}$ responsible for ringworm disease in humans belongs to the same Kingdom of organisms as that of:

Which one of the following techniques made it possible to genetically engineer living organisms?

"Good ozone" is found in the:

Guttation is the result of:

Biodiversity of a geographical region represents:

At metaphase, chromosomes are attached to the spindle fibres by their:

Which one of the following is a wrong matching of a microbe and its industrial product?

Silencing of $\text{mRNA}$ has been used in producing transgenic plants resistant to:

Which one of the following statements is totally wrong about the occurrence of notochord?

The technique called gamete intrafallopian transfer $(\text{GIFT})$ is recommended for those females:

Common cold is not cured by antibiotics because it is:

Which one of the following options gives the correct matching of a disease with its causative organism and mode of infection?

Frogs differ from humans in possessing:

Test cross in plants or in $\text{Drosophila}$ involves crossing:

The logistic population growth is expressed by the equation:

Identify the parts $(a,b,c,d)$ correctly in the figure of $\text{Marchantia}$:

About which day in a normal human menstrual cycle does rapid secretion of $\text{LH}$ (popularly called $\text{LH}$ -surge) normally occurs?

In history of biology, human genome project led to the development of:

Which one of the following correctly represents the normal adult human dental formula?

The type of muscles present in our:

Which one of the following is not an essential mineral element for plants?

Consider the following four statements. Which two statements are wrong?$(A)$ The sporophyte in liverworts is more elaborate than that in mosses.$(B)$ $\text{Salvinia}$ is heterosporous.$(C)$ The life-cycle in all seed bearing plants is diplontic.$(D)$ In $\text{Pinus}$ male and female cones are borne on different trees.

Consider the following four statements about $\text{Rana tigrina}$ (Frog) and select the correct option stating which ones are true $(T)$ and which ones are false $(F)$:$(A)$ On dry land it would die due to lack of ${\text{O}}_2$ if its mouth is forcibly kept closed for a few days.$(B)$ It has four chambered heart.$(C)$ On dry land it turns uricotelic from ureotelic.$(D)$ Its life history is carried out in pond water.

Which of the following animals share a common characteristic?$(a)$ $\text{Hydra}$, $(b)$ $\text{Fasciola}$, $(c)$ $\text{Pheretima}$, $(d)$ $\text{Asterias}$

In angiosperms, functional megaspore develops into:

Which one of the following aspects is an exclusive characteristic of living things?

Some vascular bundles are described as "open" because these:

$\text{Bacillus thuringiensis}$ forms protein crystals which contain insecticidal protein. This protein:

One of the constituents of the pancreatic juice while poured into the duodenum in humans is:

Which one of the following structures in $\text{Pheretima}$ is correctly matched with its function?

Both hydrarch and xerarch successions lead to:

The breakdown of detritus into smaller particles by earthworm is a process called:

Which one of the following diagrams represents the placentation in $\text{Dianthus}$?

The figure below shows the structure of a mitochondrion. Select the part correctly matched with its function.

Consider the following statement $(A)\text{–}(D)$ with blanks. Which option gives the correct fill ups?$(A)$ Bears go into $(1)$ during winter to $(2)$ cold weather.$(B)$ A conical age pyramid with a broad base represents $(3)$ human population.$(C)$ A wasp pollinating a fig flower is an example of $(4)$.$(D)$ An area with high levels of species richness is known as $(5)$.

A galvanometer of resistance $G$ is shunted by a resistance $S$ ohm. To keep the main current in the circuit unchanged, the resistance to be put in series with the galvanometer is:

A particle covers half of its total distance with speed $v_1$ and the rest half distance with speed $v_2$. Its average speed during the complete journey is:

A thermocouple of negligible resistance produces an $e.m.f.$ of $40\mu {\text{V/}}^{\circ }\text{C}$ in the linear range. A galvanometer of resistance $10\Omega$ with sensitivity $1\mu \text{A/div}$ is used. The smallest temperature difference detectable is:

A mass $m$ moving with velocity $v$ (along $x$ -axis) collides and sticks to a mass $3m$ moving with velocity $2v$ (along $y$ -axis). The final velocity of the combination is:

A converging beam of rays incident on a diverging lens intersects at $15\text{cm}$ on the opposite side. If the lens is removed, they meet $5\text{cm}$ closer. The focal length is:

Threshold frequency for a metal is $3.3\times 10^{14}\text{Hz}$. If light of frequency $8.2\times 10^{14}\text{Hz}$ is incident, the cut-off voltage is nearly:

An electron in $\text{H}$ -atom jumps from $n$ to ground state. Work function of material is $2.75\text{eV}$ and stopping potential is $10\text{V}$. The value of $n$ is:

For the potential $V$ shown in the figure (triangular wave), the $r.m.s.$ value is:

A particle of mass $M$ is at the centre of a spherical shell of mass $M$ and radius $a$. Gravitational potential at distance $a/2$ from centre is:

Two particles oscillate with same frequency and amplitude. They pass each other moving in opposite directions when displacement is half the amplitude. The phase difference is:

In the circuit shown, if $V_A=0$, what is the potential at point $B$?

A belt moves at $2\text{m/s}$. A box is dropped on it ($\mu =0.5$). Distance the box moves relative to belt before coming to rest on it is:

A diatomic gas ($\gamma =1.4$) at $2\text{atm}$ is compressed adiabatically so temp rises from $27^{\circ }\text{C}$ to $927^{\circ }\text{C}$. Final pressure is:

Charge $q$ is spread on a ring of radius $R$ rotating at frequency $f$. Magnetic induction at center is:

A Zener diode with $V_Z=15\text{V}$ is used in a regulator with $V_{in}=20\text{V}$ and $R_s=250\Omega ,R_L=1\text{k}\Omega$. Current through diode is:

Which is not a possible energy for a photon emitted by $\text{H}$ -atom?

In which of the following figures are the diodes forward biased?

Two nuclei $P$ ($4N_0,T_{1/2}=1\text{m}$) and $Q$ ($N_0,T_{1/2}=2\text{m}$) decay to $R$. When $P=Q$, the number of $R$ nuclei present is:

Pure $\text{Si}$ at $500\text{K}$ has $n_i=1.5\times 10^{16}{\text{m}}^{-3}$. Doping by Indium increases $n_h$ to $4.5\times 10^{22}{\text{m}}^{-3}$. The doped semiconductor is:

A $15^{\circ }$ prism (${\mu }_1=1.5$) is combined with another (${\mu }_2=1.75$) to produce dispersion without deviation. The angle of the second prism is:

Two wires under tension $T$ have frequency $600\text{Hz}$. Fractional increase in tension of one to produce $6\text{beats/s}$ is:

A mass on a string rotates on a table. If radius is decreased by factor of $2$ by pulling the string, the kinetic energy will:

Electric potential $V=4x^2\text{V}$. The electric field at $(1,0,2)$ is:

Charges $+q$ are at corners of isosceles $\Delta ABC$ (sides $BC=AC=2a$). $D,E$ are midpoints of $BC,CA$. Work done in moving $Q$ from $D$ to $E$ is:

Minimum value of $u$ so a particle of mass $m$ does not return to earth (Mass $M$, Radius $R$):

A bar magnet ($M=0.4{\text{JT}}^{-1}$) is in field $B=0.16\text{T}$. Potential energy in stable equilibrium is:

A square loop ($I$) is near a long wire ($I_1$) as shown. The loop experiences:

A projectile is fired at $45^{\circ }$. Elevation angle of highest point from point of projection is:

A coil has $R=30\Omega$ and $X_L=20\Omega$ at $50\text{Hz}$. If connected to $200\text{V},100\text{Hz}$ source, the current is:

Density is $4{\text{g/cm}}^3$. In a system where unit of length is $10\text{cm}$ and unit of mass is $100\text{g}$, the numerical value of density is:

Match list-I with List-II for the composition of substances and select the correct answer using the code given below the lists

Which of the following statements is incorrect?

Which statements about "Denaturation" are correct?$(a)$ Denaturation causes loss of secondary and tertiary structures.$(b)$ Denaturation leads to conversion of double strand $\text{DNA}$ to single strand.$(c)$ Denaturation affects primary structure.

What is the $\text{IUPAC}$ name of trans-2-chloro-3-iodo-2-pentene?

Which of the following oxide is amphoteric?

Which compound undergoes nucleophilic substitution reaction most easily?

Air bubble at $15^{\circ }\text{C}$ and $1.5\text{bar}$ rises to surface where it is $25^{\circ }\text{C}$ and $1.0\text{bar}$. The volume becomes:

Organic compound $A+{\text{NH}}_3\to B\stackrel{\Delta }{\to }C\stackrel{{\text{Br}}_2/\text{KOH}}{\to }\text{ethylamine}$. Compound $A$ is:

Given:$(1)$ $A\to 2B,\Delta H=+150$$(2)$ $3B\to 2C+D,\Delta H=-125$$(3)$ $E+A\to 2D,\Delta H=+350$ For $B+D\to E+2C$, $\Delta H$ will be:

$0.1\text{molal}$ weak acid is $30\%$ ionized. $K_f=1.86$. Freezing point is:

In the extraction of iron, which of the following reactions pertains to the formation of slag in the blast furnace?

A solution contains ${\text{Ag}}^{+}$ and ${\text{Pb}}^{2+}$ at $0.10\text{M}$. Aqueous $\text{HCl}$ is added until $[{\text{Cl}}^{-}]=0.10\text{M}$. What are the concentrations of ${\text{Ag}}^{+}$ and ${\text{Pb}}^{2+}$ at equilibrium? ($K_{sp}$ for $\text{AgCl}=1.8\times 10^{-10}$, $K_{sp}$ for ${\text{PbCl}}_2=1.7\times 10^{-5}$)

Which of the following structures is the most preferred and hence of lowest energy for ${\text{SO}}_3$?

The unit of rate constant for a zero order reaction is:

A solution contains ${\text{Fe}}^{2+}$, ${\text{Fe}}^{3+}$ and ${\text{I}}^{-}$ ions. It was treated with iodine at $35^{\circ }\text{C}$. $E^{\circ }$ for ${\text{Fe}}^{3+}/{\text{Fe}}^{2+}=+0.77\text{V}$ and $E^{\circ }$ for ${\text{I}}_2/2{\text{I}}^{-}=0.536\text{V}$. The favourable redox reaction is:

$200\text{mL}$ of an aqueous solution of a protein contains $1.26\text{g}$. The osmotic pressure at $300\text{K}$ is $2.57\times 10^{-3}\text{bar}$. The molar mass of protein is ($R=0.083\text{L}\text{bar}{\text{mol}}^{-1}{\text{K}}^{-1}$):

The rate of $2{\text{N}}_2{\text{O}}_5\to 4{\text{NO}}_2+{\text{O}}_2$ can be written as:$-\frac{d[{\text{N}}_2{\text{O}}_5]}{dt}=k[{\text{N}}_2{\text{O}}_5]$, $\frac{d[{\text{NO}}_2]}{dt}=k^{\prime }[{\text{N}}_2{\text{O}}_5]$, $\frac{d[{\text{O}}_2]}{dt}=k^{\prime \prime }[{\text{N}}_2{\text{O}}_5]$.The relationship between $k,k^{\prime },k^{\prime \prime }$ is:

The half life of an enzyme-catalysed reaction is $138\text{s}$. The time required for concentration to fall from $1.28\text{mg/L}$ to $0.04\text{mg/L}$ is:

Which of the following complex compounds will exhibit highest paramagnetic behaviour?

A solid $XY$ has $\text{NaCl}$ structure. If the radius of the cation is $100\text{pm}$, the radius of the anion ($Y^{-}$) will be:

Which of the following is NOT a fat soluble vitamin?

Which of the following compounds is most basic?

Which has the maximum number of molecules among the following?

Match the compounds with their reactions/products:$(a)$ Benzaldehyde $(i)$ Phenolphthalein$(b)$ Phthalic anhydride $(ii)$ Benzoin condensation$(c)$ Phenyl benzoate $(iii)$ Oil of wintergreen$(d)$ Methyl salicylate $(iv)$ Fries rearrangement

What is the value of electron gain enthalpy of ${\text{Na}}^{+}$ if $I{E}_1$ of $\text{Na}=5.1\text{eV}$?

Which of the following carbonyls will have the strongest $\text{C}\text{–}\text{O}$ bond?

What is the order of reactivity of $\text{PhMgBr}$ with the following:

Which of the following descriptions regarding magnetic behavior is correct?

According to the Bohr Theory, which transition in the hydrogen atom will give rise to the least energetic photon?

The mechanisms of reactions $(i)$ and $(ii)$ are:$(i)$ Isobutyl bromide $+{\text{C}}_2{\text{H}}_5\text{OH}\to$ Ether$(ii)$ Isobutyl bromide $+{\text{C}}_2{\text{H}}_5{\text{O}}^{-}\to$ Ether