1751 + Interview Questions in NEET IN GENERAL AWARENESS Page 26 InterviewSolution

1251.	Radial symmetry is found in the flowers ofA. BrassicaB. TrifiliumC. PisumD. Cassia
Answer» Correct Answer - A The answer is Dianthus.

Discussion

1252.	Which one of the following statements is wrong?A. Algae increae the level of dissolved oxygen in the immediate environmentB. Algini is obtained from red algae, and carrageenan from brown algaeC. agar-agar is obtained from Gelidium and GracilariaD. laminaria and Sargassum are used as food
Answer» Correct Answer - B Algin is obtained from brown algae and carrageenan from red algae.

Discussion

1253.	Conifers are adapted to tolerate extreme environmental conditions because ofA. broad hardy leavesB. superficial stomataC. thick cuticleD. presence of vessels
Answer» Correct Answer - C Conifers (Gymnosperms) are adapted to tolerate extreme enviromental conditions because of thick cuticle, sunken stomata and needle like leaves.

Discussion

1254.	Which is the cause of damage to relative bilogical effevtiveness:A. High temperatureB. PollutionC. RadiationD. Low temperature
Answer» Correct Answer - B

Discussion

1255.	Total number of chiral carbons in `beta-D(+)` glucose isA. SixB. ThreeC. FourD. Five
Answer» Correct Answer - D

Discussion

1256.	Which of the following represents the correct order of increasing electron gain enthalpy with negative sign for the elements O, S, F and Cl?A. `Cl lt F lt O lt S `B. `O lt S lt F lt Cl`C. ` F lt S lt O lt Cl`D. ` S lt O lt Cl lt F `
Answer» Correct Answer - B

Discussion

1257.	For the disproportion of copper: `2 Cu^(+) to Cu^(+2) + Cu E^(0)` is :- Given `E^(0)` for `Cu^(+2)//Cu` is 0.34 V & `E^(0)` for `Cu^(+2)//Cu^(+)` is 0.15 V:A. 0.49 VB. `-0.19V`C. 0.38 VD. `-0.38 V`
Answer» Correct Answer - C

Discussion

1258.	Which complex compound will give four isomers:A. `[Fe(en)_(3)]CI_(3)`B. `[Co(en)_(2)Cl_(2)] CI`C. `[Fe(PPh_(3))_(3)NH_(3)CIBr]CI`D. `[Co(PPh_(3))_(3)CI]CI_(3)`
Answer» Correct Answer - C

Discussion

1259.	Which species does not exhibits paramagnetism:A. `N_(2)^(+)`B. `O_(2)^(-)`C. `CO`D. `NO`
Answer» Correct Answer - C

Discussion

1260.	Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid.A. Salmonella typhi / Widal testB. Plasmodium vivax / UTI testC. Streptococcus pneumoniae /Widal testD. Salmonella typhi / Anthrone test
Answer» Correct Answer - A

Discussion

1261.	A certain gas takes three times as long to effuse out as helium. Its molar mass will beA. 36 uB. 64 uC. 9 uD. 27 u
Answer» Correct Answer - A `(r_(1))/(r_(2))=sqrt((M_(w_(2)))/(M_(w_(1))))` `(V_(1))/(t_(1))xx(t_(2))/(V_(2))=sqrt((M_(w_(2)))/(M_(w_(a))))` volume is same `(3)/(1)=sqrt((M_(w_(2)))/(4))` `9=(M_(w_(2)))/(4)" "therefore M_(w_(2))=36`

Discussion

1262.	Some of the properties of the two species, `NO_(3)^(-)` and `H_(3)O^(+)` are described below.Which one of them is correct?A. Isostructural with same hybridization for the central atomB. Isostructural with different hybridization for the central atomC. Similar in hybridization for the central atom with different structuresD. Dissimilar in hybridization for the central atom with different structures.
Answer» Correct Answer - D

Discussion

1263.	Which one of the elements with the following outer orbital configuration may exhibit the larger number of oxidation states ?A. `3d^(2)4s^(2)`B. `3d^(3)4s^(2)`C. `3d^(5)4s^(1)`D. `3d^(5)4s^(2)`
Answer» Correct Answer - D `7^(th)` group `to` largest number of oxidation state .

Discussion

1264.	Amongst the following elements (whose electronic configuration an given below) the one having highest ionization energy isA. `[Ne]3s^(2)3p^(1)`B. `[Ne]3s^(2)3p^(3)`C. `[Ne]3s^(2)3p^(2)`D. `[Ar]3d^(10)4s^(2)4p^(3)`
Answer» Correct Answer - B `[Ne]3s^(2)3p^(3)` has highest ionization energy (half-filled )

Discussion

1265.	The cell organelle involved in the glycosylation of proteins isA. RibosomeB. PeroxisomeC. Endoplasmic reticulumD. Mitochondira
Answer» Correct Answer - C

Discussion

1266.	Xylem translocatesA. Water, mineral salts, some organic nitrogen and hormonesB. Water onlyC. Water and mineral salts onlyD. Water, mineral salts· and Some organic nitrogen only
Answer» Correct Answer - A

Discussion

1267.	Select the wrong statement from the followingA. The chloroplasts are generally much larger than mitochondriaB. Both chloroplasts and mitochondria contain an inner and an outer membraneC. Both chloroplasts and mitochondria have an internal compartment, the thylakoid space bounded by the thylakoid membraneD. Both chloroplasts and mitochondria contain DNA
Answer» Correct Answer - C

Discussion

1268.	Which one of the following is not a constituent of cell membraneA. PhospholipidsB. CholesterolC. GlycolipidsD. Proline
Answer» Correct Answer - D

Discussion

1269.	In the periodic table, with the increase in atomic number, the metallic character of an element (a) decreases in a period and increases in a group (b) increases in a period and decreases in a group (c) increases both in a period and the group (d) decreases in a period and the group.
Answer» The correct option is : (a) decreases in a period and increases in a group Explanation: Metallic character decreases in a period and increases in a group.

1269.

In the periodic table, with the increase in atomic number, the metallic character of an element (a) decreases in a period and increases in a group (b) increases in a period and decreases in a group (c) increases both in a period and the group (d) decreases in a period and the group.

Answer»

The correct option is : (a) decreases in a period and increases in a group

Explanation:

Metallic character decreases in a period and increases in a group.

Discussion

1270.	If the atomic number of an element is 33, it will be placed in the periodic table in the(a) first group(b) third group(c) fifth group(d) seventh group.
Answer» The correct option is : (c) fifth group Explanation: Electronic configuration of an element is 1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p³ Hence, it lies in fifth or 15^th group.

1270.

If the atomic number of an element is 33, it will be placed in the periodic table in the(a) first group(b) third group(c) fifth group(d) seventh group.

Answer»

The correct option is : (c) fifth group

Explanation:

Electronic configuration of an element is

1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p³

Hence, it lies in fifth or 15^th group.

Discussion

1271.	In the periodic table from left to right in a period, the atomic volume (a) decreases (b) increases (c) remains same (d) first decrease then increases
Answer» The correct option is : (d) first decrease then increases Explanation: Atomic volume is the volume occupied by one gram of an element. Within a period from left to right, atomic volume first decreases and then increases.

1271.

In the periodic table from left to right in a period, the atomic volume (a) decreases (b) increases (c) remains same (d) first decrease then increases

Answer»

The correct option is : (d) first decrease then increases

Explanation:

Atomic volume is the volume occupied by one gram of an element. Within a period from left to right, atomic volume first decreases and then increases.

Discussion

1272.	Which of the following has the smallest size? (a) Al3+ (b) F- (c) Na+ (d) Mg2+
Answer» The correct option is: (a) Al³⁺ Explanation: These are isoelectronic ions (ions with same number of electrons) and for isoelectronic ions, greater the positive nuclear charge, greater is the force of attraction on the electrons by the nucleus and the smaller is the size of the ion. Thus, Al³⁺ has the smallest size.

1272.

Which of the following has the smallest size? (a) Al3+ (b) F- (c) Na+ (d) Mg2+

Answer»

The correct option is: (a) Al³⁺

Explanation:

These are isoelectronic ions (ions with same number of electrons) and for isoelectronic ions, greater the positive nuclear charge, greater is the force of attraction on the electrons by the nucleus and the smaller is the size of the ion. Thus, Al³⁺ has the smallest size.

Discussion

1273.	Which electronic configuration of an element has abnormally high difference between second and third ionization energy?(a) 1s2, 2s2,2p6,3s1(b) 1s2, 2s2, 2p6, 3s13p1(c) 1s2, 2s2, 2p6, 3s23p2(d) 1s2, 2s2, 2p6, 3s2
Answer» The correct option is : (d) 1s², 2s², 2p⁶, 3s² Explanation: Abnormally high difference between 2^ndand 3^rdionisation energy means that the element has two valence electrons, which is a case in configuration (d).

1273.

Which electronic configuration of an element has abnormally high difference between second and third ionization energy?(a) 1s2, 2s2,2p6,3s1(b) 1s2, 2s2, 2p6, 3s13p1(c) 1s2, 2s2, 2p6, 3s23p2(d) 1s2, 2s2, 2p6, 3s2

Answer»

The correct option is : (d) 1s², 2s², 2p⁶, 3s²

Explanation:

Abnormally high difference between 2^ndand 3^rdionisation energy means that the element has two valence electrons, which is a case in configuration (d).

Discussion

1274.	The electronics configuration of an element is 1s22s22p63s23p3. What is the atomic number of the element, which is just below the above element in the periodic table? (a) 33 (b) 34 (c) 36 (d) 49
Answer» The correct option is : (a) 33 Explanation: Atomic no. of given element = 15, thus it belongs to 5^th group. Now, atomic no. of the element below the above element = 15 + 18 = 33

1274.

The electronics configuration of an element is 1s22s22p63s23p3. What is the atomic number of the element, which is just below the above element in the periodic table? (a) 33 (b) 34 (c) 36 (d) 49

Answer»

The correct option is : (a) 33

Explanation:

Atomic no. of given element = 15, thus it belongs to 5^th group.

Now, atomic no. of the element below the above element = 15 + 18 = 33

Discussion

1275.	One would expect proton to have very large(a) charge(b) ionization potential(c) hydration energy(d) radius
Answer» The correct option is : (c) hydration energy Explanation: Proton (H⁺) being very small in size would have very large hydration energy.

1275.

One would expect proton to have very large(a) charge(b) ionization potential(c) hydration energy(d) radius

Answer»

The correct option is : (c) hydration energy

Explanation:

Proton (H⁺) being very small in size would have very large hydration energy.

Discussion

1276.	If `M(A,Z)`, `M_(p)and M_(n)` denote the masses of the nucleus `._(Z)X^(A)`, proton and neutron respectively in units of U (where`1U=931MeV//c^(2)`) and B.E. represents its B.E. in MeV, thenA. `M(A,Z)=ZM_(p)+(A-Z)M_(n)-BE`B. `M(A,Z)=ZM_(p)+(A-Z)M_(n)+BE//C^(2)`C. `M(A,Z)=ZM_(p)+(A-Z)M_(n)-BE//C^(2)`D. `M(A,Z)=ZM_(p)+(A-Z)M_(n)+BE`
Answer» Correct Answer - C Mass defect `Deltam=ZM_(p)+(A-Z)M_(n)-M(A,Z)` Binding energy `=DeltamC^(2)` `BE=[ZM_(p)+(A-Z)M_(n)-M(A,Z)].C^(2)` `M(A,Z)=ZM_(p)+(A-Z)M_(n)-(BE)/(C^(2))`

Discussion

1277.	A particle moves in a straight line with a constant acceleration. It changes its velocity from `10 ms^-1` to `20 ms^-1` while passing through a distance `135 m` in `t` seconds. The value of `t` is.A. 12B. 9C. 10D. 1.8
Answer» Correct Answer - B For constant acceleration `v^(2)=u^(2)+2as` `(20)^(2)=(10)^(2)+2xxaxx135` `a=(300)/(270)ms^(-2)` As `v=u+at` `20=10+axxt` 10 = at `10=(300)/(270)xxt` ltbtgt t = 9 sec

Discussion

1278.	During the process of digestion, the proteins present in food materials are hydrolysed to amino acids. The two enzymes involved in the process: `"Proteins"overset("Enzyme(A)")to"Polypeptides"overset("Enzyme(B)")to"Amino acids"` are respectively-A. Amylase and MaltaseB. Diastase and LipaseC. Pepsin and TrypsinD. Invertase and Zymase
Answer» Correct Answer - C

Discussion

1279.	A process that makes important difference between `C_(3)` and `C_(4)` plants isA. PhotosynthesisB. PhotorespirationC. TranspirationD. Glycolysis
Answer» Correct Answer - B

Discussion

1280.	Which one of the following is correctly matched ?A. Potassium - Readily immobilisationB. Bakane of rice seedlings - F skoogC. Passive transport of nutrients - ATPD. Apoplast - Plasmodesmata
Answer» Correct Answer - A

Discussion

1281.	Which of the following is not used for disinfection of drinking water?A. ChlorineB. PhenylC. ChloramineD. Ozone
Answer» Correct Answer - B

Discussion

1282.	A transverse wave is represented by `y=Asin(omegat-kx)`. For what value of the wavelength is the wave velocity equal to the maximum particle velocity?A. `pi A//2`B. `piA`C. `2pi A`D. `A`
Answer» Correct Answer - C wave velocity `= n lamda = omega A ` `implies lamda =(omegaA)/(n)=(omegaA)/(omega)=2pi A` `2pi`

Discussion

1283.	A transverse wave is represented by `y=Asin(omegat-kx)`. For what value of the wavelength is the wave velocity equal to the maximum particle velocity?A. `piy_(0)`B. `2piy_(0)`C. `piy_(0)//2`D. `4piy_(0)`
Answer» Correct Answer - A `V_(wave)=omega/k` `V_(particle)=dy/dt=ubrace(y_(0)omega) cos(omegat-kx)` `y_(0)omega=2(omega)/(k)impliesk=(2)/(y_(0))=(2pi)/(lamda)implieslamda=piy_(0)`

Discussion

1284.	Sweet potato is homologous toA. TurnipB. PotatoC. ColocasiaD. Ginger
Answer» Correct Answer - A

Discussion

1285.	Maximum nutritional diversity is found in the groupA. MoneraB. PlantaeC. FungiD. Animalia
Answer» Correct Answer - A

Discussion

1286.	Antibiotic inhibiting interaction between tRNA and mRNA during protein synthesis in bacteriaA. ErythromycinB. NeomycinC. StreptomycinD. Tetracycline
Answer» Correct Answer - B

Discussion

1287.	The genetically -modified (GM) brinjal in India has been developed forA. Insect-resistanceB. Enhancing shelf lifeC. Enhancing mineral contentD. Drought-resistance
Answer» Correct Answer - A

Discussion

1288.	In oogamy. Fertilization involvesA. A large non-motile female gamete and a small motile male gameteB. A large non-motile female gamete and a small non-motile male gameteC. A large motile female gamete and a small non-motile male gameteD. A small non-motile female gamete and a large motile male gamete
Answer» Correct Answer - A

Discussion

1289.	The arrangement of the nuclei in a normal embryo sac in the dicot plants is-A. 2 + 4 + 2B. 3 + 2 + 3C. 2 + 3 + 3D. 3 + 3 + 2
Answer» Correct Answer - B

Discussion

1290.	Which of the following hormones is not a secretory product of human placenta?A. ProlactinB. EstrogenC. ProgesteroneD. Human chorionic gonadotropin
Answer» Correct Answer - A

Discussion

1291.	An ovule which becomes curved so that the nucellus and embryo sac lie at right angles to the funicle isA. CampylotropousB. AnatropousC. OrthotropousD. Hemitropous
Answer» Correct Answer - D

Discussion

1292.	In flowering plants archesporium gives rise toA. Only the wall of the sporangiumB. Both wall and the sporogenous cellsC. Wall and the tapetumD. Only tapetum and sporogenous cells
Answer» Correct Answer - B

Discussion

1293.	What is the entropy change (in `JK^(-1)mol^(-1)`) when one mole of ice is converted into water at `0^(@)C`? (The enthalpy change for the conversion of ice to liquid water is `6.0KJmol^(-1)` at `0^(@)C`)A. 20.13B. 2.013C. 2.198D. 21.98
Answer» Correct Answer - D

Discussion

1294.	The densities of graphite and diamond at `298K` are `2.25` and `3.31gcm^(-3)` , respectively. If the standard free energy difference `(DeltaG^(0))` is equal to `1895Jmol^(-1)` , the pressure at which graphite will be transformed into diamond at `298K` isA. `9.92xx10^8` PaB. `9.92xx10^7` PaC. `9.92xx10^6` PaD. `9.92xx10^5` Pa
Answer» Correct Answer - A

Discussion

1295.	For the reaction `C_(3)H_(8)(g)+5O_(2)rarr3CO_(3)(g)+4H_(2)O(l)` at constant temperature, `DeltaH-DeltaU` isA. `+RT`B. `-3RT`C. `+ 3RT`D. `– RT`
Answer» Correct Answer - B

Discussion

1296.	In Haber process 30 litre of dihydrogen and 30 litres of dinitrogen were taken for reaction which yielded only`50%` of the expected product. What will be the composition of gaseous mixture under the aforesaid condition in the end ?A. 20 litres ammonia, 20 litres nitrogen, 20 litres hydrogenB. 10 litres ammonia, 25 litres nitrogen, 15 litres hydrogenC. 20 litres ammonia, 10 litres nitrogen, 30 litres hydrogenD. 20 litres ammonia, 25 litres nitrogen, 15 litres hydrogen
Answer» Correct Answer - B

Discussion

1297.	Equilibrium constants `K_(1)` and `K_(2)` for the following equilibria `NO(g) +1//2O_(2)(g) overset(K_(1))(hArr) NO_(2)(g)` and ` `2NO_(2)(g) overset(K_(2))(hArr)2NO(g)+O_(2)(g)` are related asA. `K_(2)=(1)/(K_(1))`B. `K_(2)=(K_(1))/(2)`C. `K_(2)=(1)/(K_(1)^(2))`D. `K_(2)=K_(1)^(2)`
Answer» Correct Answer - C

Discussion

1298.	An excess of `AgNO_(3)` is added to `100mL` of a `0.01M` solution of dichlorotetraaquachromium(III) chloride The number of moles of `AgCI` precipitated would be .A. 0.001B. 0.002C. 0.003D. 0.01
Answer» Correct Answer - A `AgNO_(3)+[Cr(H_(2)O)_(4)Cl_(2)]Cl toAgCl` `"Excess mole"=MV_("(lit)")` `=0.01xx(100)/(1000)` `=0.001`

Discussion

1299.	The aqueous solution containing which one of the following ions will be colourless (Atomic number `Sc = 21, Fe = 26, Ri = 22, Mn = 25)`A. `Fe^(2+)`B. `Mn^(2+)`C. `Ti^(3+)`D. `Sc^(3+)`
Answer» Correct Answer - D

Discussion

1300.	Identify the cells whose secretion protects the lining of gastro-intestinal tract from various enzymesA. Duodenal CellsB. Chief CellsC. Goblet CellsD. Oxyntic Cells
Answer» Correct Answer - C

Discussion

Explore topic-wise InterviewSolutions in .

Radial symmetry is found in the flowers ofA. BrassicaB. TrifiliumC. PisumD. Cassia

Which one of the following statements is wrong?A. Algae increae the level of dissolved oxygen in the immediate environmentB. Algini is obtained from red algae, and carrageenan from brown algaeC. agar-agar is obtained from Gelidium and GracilariaD. laminaria and Sargassum are used as food

Conifers are adapted to tolerate extreme environmental conditions because ofA. broad hardy leavesB. superficial stomataC. thick cuticleD. presence of vessels

Which is the cause of damage to relative bilogical effevtiveness:A. High temperatureB. PollutionC. RadiationD. Low temperature

Total number of chiral carbons in `beta-D(+)` glucose isA. SixB. ThreeC. FourD. Five

Which of the following represents the correct order of increasing electron gain enthalpy with negative sign for the elements O, S, F and Cl?A. `Cl lt F lt O lt S `B. `O lt S lt F lt Cl`C. ` F lt S lt O lt Cl`D. ` S lt O lt Cl lt F `

For the disproportion of copper: `2 Cu^(+) to Cu^(+2) + Cu E^(0)` is :- Given `E^(0)` for `Cu^(+2)//Cu` is 0.34 V & `E^(0)` for `Cu^(+2)//Cu^(+)` is 0.15 V:A. 0.49 VB. `-0.19V`C. 0.38 VD. `-0.38 V`

Which complex compound will give four isomers:A. `[Fe(en)_(3)]CI_(3)`B. `[Co(en)_(2)Cl_(2)] CI`C. `[Fe(PPh_(3))_(3)NH_(3)CIBr]CI`D. `[Co(PPh_(3))_(3)CI]CI_(3)`

Which species does not exhibits paramagnetism:A. `N_(2)^(+)`B. `O_(2)^(-)`C. `CO`D. `NO`

Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid.A. Salmonella typhi / Widal testB. Plasmodium vivax / UTI testC. Streptococcus pneumoniae /Widal testD. Salmonella typhi / Anthrone test

A certain gas takes three times as long to effuse out as helium. Its molar mass will beA. 36 uB. 64 uC. 9 uD. 27 u

Which one of the elements with the following outer orbital configuration may exhibit the larger number of oxidation states ?A. `3d^(2)4s^(2)`B. `3d^(3)4s^(2)`C. `3d^(5)4s^(1)`D. `3d^(5)4s^(2)`

Amongst the following elements (whose electronic configuration an given below) the one having highest ionization energy isA. `[Ne]3s^(2)3p^(1)`B. `[Ne]3s^(2)3p^(3)`C. `[Ne]3s^(2)3p^(2)`D. `[Ar]3d^(10)4s^(2)4p^(3)`

The cell organelle involved in the glycosylation of proteins isA. RibosomeB. PeroxisomeC. Endoplasmic reticulumD. Mitochondira

Xylem translocatesA. Water, mineral salts, some organic nitrogen and hormonesB. Water onlyC. Water and mineral salts onlyD. Water, mineral salts· and Some organic nitrogen only

Which one of the following is not a constituent of cell membraneA. PhospholipidsB. CholesterolC. GlycolipidsD. Proline

In the periodic table, with the increase in atomic number, the metallic character of an element (a) decreases in a period and increases in a group (b) increases in a period and decreases in a group (c) increases both in a period and the group (d) decreases in a period and the group.

If the atomic number of an element is 33, it will be placed in the periodic table in the(a) first group(b) third group(c) fifth group(d) seventh group.

In the periodic table from left to right in a period, the atomic volume (a) decreases (b) increases (c) remains same (d) first decrease then increases

Which of the following has the smallest size? (a) Al3+ (b) F- (c) Na+ (d) Mg2+

Which electronic configuration of an element has abnormally high difference between second and third ionization energy?(a) 1s2, 2s2,2p6,3s1(b) 1s2, 2s2, 2p6, 3s13p1(c) 1s2, 2s2, 2p6, 3s23p2(d) 1s2, 2s2, 2p6, 3s2

The electronics configuration of an element is 1s22s22p63s23p3. What is the atomic number of the element, which is just below the above element in the periodic table? (a) 33 (b) 34 (c) 36 (d) 49

One would expect proton to have very large(a) charge(b) ionization potential(c) hydration energy(d) radius

A particle moves in a straight line with a constant acceleration. It changes its velocity from `10 ms^-1` to `20 ms^-1` while passing through a distance `135 m` in `t` seconds. The value of `t` is.A. 12B. 9C. 10D. 1.8

A process that makes important difference between `C_(3)` and `C_(4)` plants isA. PhotosynthesisB. PhotorespirationC. TranspirationD. Glycolysis

Which one of the following is correctly matched ?A. Potassium - Readily immobilisationB. Bakane of rice seedlings - F skoogC. Passive transport of nutrients - ATPD. Apoplast - Plasmodesmata

Which of the following is not used for disinfection of drinking water?A. ChlorineB. PhenylC. ChloramineD. Ozone

A transverse wave is represented by `y=Asin(omegat-kx)`. For what value of the wavelength is the wave velocity equal to the maximum particle velocity?A. `pi A//2`B. `piA`C. `2pi A`D. `A`

A transverse wave is represented by `y=Asin(omegat-kx)`. For what value of the wavelength is the wave velocity equal to the maximum particle velocity?A. `piy_(0)`B. `2piy_(0)`C. `piy_(0)//2`D. `4piy_(0)`

Sweet potato is homologous toA. TurnipB. PotatoC. ColocasiaD. Ginger

Maximum nutritional diversity is found in the groupA. MoneraB. PlantaeC. FungiD. Animalia

Antibiotic inhibiting interaction between tRNA and mRNA during protein synthesis in bacteriaA. ErythromycinB. NeomycinC. StreptomycinD. Tetracycline

The genetically -modified (GM) brinjal in India has been developed forA. Insect-resistanceB. Enhancing shelf lifeC. Enhancing mineral contentD. Drought-resistance

The arrangement of the nuclei in a normal embryo sac in the dicot plants is-A. 2 + 4 + 2B. 3 + 2 + 3C. 2 + 3 + 3D. 3 + 3 + 2

Which of the following hormones is not a secretory product of human placenta?A. ProlactinB. EstrogenC. ProgesteroneD. Human chorionic gonadotropin

An ovule which becomes curved so that the nucellus and embryo sac lie at right angles to the funicle isA. CampylotropousB. AnatropousC. OrthotropousD. Hemitropous

In flowering plants archesporium gives rise toA. Only the wall of the sporangiumB. Both wall and the sporogenous cellsC. Wall and the tapetumD. Only tapetum and sporogenous cells

What is the entropy change (in `JK^(-1)mol^(-1)`) when one mole of ice is converted into water at `0^(@)C`? (The enthalpy change for the conversion of ice to liquid water is `6.0KJmol^(-1)` at `0^(@)C`)A. 20.13B. 2.013C. 2.198D. 21.98

For the reaction `C_(3)H_(8)(g)+5O_(2)rarr3CO_(3)(g)+4H_(2)O(l)` at constant temperature, `DeltaH-DeltaU` isA. `+RT`B. `-3RT`C. `+ 3RT`D. `– RT`

Equilibrium constants `K_(1)` and `K_(2)` for the following equilibria `NO(g) +1//2O_(2)(g) overset(K_(1))(hArr) NO_(2)(g)` and ` `2NO_(2)(g) overset(K_(2))(hArr)2NO(g)+O_(2)(g)` are related asA. `K_(2)=(1)/(K_(1))`B. `K_(2)=(K_(1))/(2)`C. `K_(2)=(1)/(K_(1)^(2))`D. `K_(2)=K_(1)^(2)`

An excess of `AgNO_(3)` is added to `100mL` of a `0.01M` solution of dichlorotetraaquachromium(III) chloride The number of moles of `AgCI` precipitated would be .A. 0.001B. 0.002C. 0.003D. 0.01

The aqueous solution containing which one of the following ions will be colourless (Atomic number `Sc = 21, Fe = 26, Ri = 22, Mn = 25)`A. `Fe^(2+)`B. `Mn^(2+)`C. `Ti^(3+)`D. `Sc^(3+)`

Identify the cells whose secretion protects the lining of gastro-intestinal tract from various enzymesA. Duodenal CellsB. Chief CellsC. Goblet CellsD. Oxyntic Cells