100525 + Interview Questions in GENERAL QA IN GENERAL AWARENESS

1.	Why cu-t acts as an effective contraceptive.
Answer» It releases copper ion and these Cu ion released suppress sperm motility.and this also decreases the fertilizing capacity of sperm.

Discussion

2.	Which of the following is carbohydrate?(a) Thiamine(b) Lactose(c) Glycerol(d) Insulin
Answer» Answer (b) Lactose

Discussion

3.	`0.1 M NaOH (aq)` solution having density `1.2 gm//ml` will have molalityA. `0.2 M`B. `0.15 M`C. `0.08 M`D. `0.12 M`
Answer» Correct Answer - C `(d)/(M) = (1)/(m) + (MM)/(1000)` `(1.2)/(0.1) = (1)/(m) + (40)/(1000)` `m = 0.08 m`

Discussion

4.	Primary precursor or I.A.A. is(1) Phenyl alanine (2) Tyrosine (3) Tryptophan (4) Leucine
Answer» Primary precursor or I.A.A. is Tryptophan.

Discussion

5.	Which one of the following is a gaseous plant hormone ? (1) Auxin (2) Gibberellin (3) Ethylene (4) Cytokinin
Answer» (3) Ethylene

Discussion

6.	In chemical equation H2(g) + I2(g) ⇄ 2HI(g), the equilibrium Kp depends on(a) total pressure(b) catalyst used(c) amount of H2 and I2(d) temperature
Answer» Answer (c) amount of H₂ and I₂

Discussion

7.	Chloramphenicol is(a) antibiotic(b) analgesic(c) antipyretic(d) none of these
Answer» Answer (a) antibiotic

Discussion

8.	Which of the following compound can cause hardness in water ?A. `Mg(OH)_(2)`B. `Ca(HCO_(3))_(2)`C. `CaCO_(3)`D. `MgCO_(3)`
Answer» Correct Answer - B Only solute compounds of `Mg^(+)` & `Ca^(+2)` can cause hardness

Discussion

9.	If the rate of a reaction is expressed by, Rate = klA]2 [B], then the order of reaction will be(a) 2(b) 3(c) 1(d) 0
Answer» Answer (b) 3

Discussion

10.	Consider the following statements:Statement I: All ores are mineral. Statement II: All minerals are oreOf these statements:(a) Both the statement are true and Statement II is the correct explanation of Statement I(b) Both the statement are true, but statement II is not the correct explanation of Statement I(c) Statement I is true, but Statement II is false(d) Statement I is false. but Statement II is true
Answer» Answer (c) Statement I is true, but Statement II is false

Discussion

11.	What volume of water must be added to `500 ml NaOH` to make `2%` (w/v) NaOHA. `5000 mL`B. `6000 mL`C. `5500 mL`D. `6500 mL`
Answer» Correct Answer - C Moles of `NaOH = 0.5 xx 6 = 3` mole `= 3 xx 40` `= 120 gm` `2% ((w)/(v)) NaOH` `(120)/(V) xx 100 = 2` `V = 6000 mL` Volume added `= (6000 - 500) mL` `= 5500 mL`

Discussion

12.	Why is Cu (Z = 29) considered a transition metal ?
Answer» Due to its partially fllled d-orbital in Cu²⁺ state.

Discussion

13.	The most common cytokinin is(1) IAA (2) Kinetin (3) Isopentanyl adenine (4) Dehydrozeatin
Answer» (3) Isopentanyl adenine

Discussion

14.	Consider the following statements:Statement I: Benzoic acid is weaker acid than formic acid. Statement II: Phenyl group when attached with carboxylic group, it acts as electron donor.Of these statements:(a) Both the statement are true and Statement II is the correct explanation of Statement I(b) Both the statement are true, but statement II is not the correct explanation of Statement I(c) Statement I is true, but Statement II is false(d) Statement I is false. but Statement II is true
Answer» Answer (a) Both the statement are true and Statement II is the correct explanation of Statement I

Discussion

15.	Which of the following statement is incorrect for `H_(2)O_(2)` :A. It can acts as oxidising as well as reducing agentB. It can oxidies `FeSO_(4), KI, K_(4) [Fe(CN)_(6)]` and `MnSO_(4)`C. It has a planar structure and is polarD. It has a non planar structure and is polar
Answer» Correct Answer - C Theory bases

Discussion

16.	If 2 gm of NaOH is present in 200 ml of its solution, its molarity will be(a) 0.25(b) 0.5(c) 5(d) 10
Answer» Answer (a) 0.25

Discussion

17.	Arrange the given in increasing order of acidic character :CrO3, CrO, Cr2O3.
Answer» CrO < Cr₂O₃ < CrO₃

Discussion

18.	The gibberellin which is of wide distribution in higher plants are(1) GA29 (2) GA32 (3) GA1 (4) GA22
Answer» The gibberellin GA₁ is of wide distribution in higher plants are.

Discussion

19.	Which of the following effects is related to ethylene ? (1) Origin of root from graft (2) Origin of lateral root (3) Origin of root hair (4) All the above
Answer» (4) All the above

Discussion

20.	Consider the following statements:Statement I: Decrease in free energy comes from spontaneous reaction. Statement II: Spontaneous reactions are exothermic.Of these statements:(a) Both the statement are true and Statement II is the correct explanation of Statement I(b) Both the statement are true, but statement II is not the correct explanation of Statement I(c) Statement I is true, but Statement II is false(d) Statement I is false. but Statement II is true
Answer» Answer (b) Both the statement are true, but statement II is not the correct explanation of Statement I

Discussion

21.	An orbital has only positive values of wave friction at all distnaces from the nucleus. Find th value of `(n+l)` for this orbital.
Answer» Correct Answer - 1 1 It is orbital

Discussion

22.	Which are the climactric fruits ? (1) Fruits forming auxins in more quantity during fruit ripening (2) Fruits forming ethylene in more quantity during fruit ripening (3) Fruits forming gibberellin in more quantity during fruit ripening (4) Fruits forming cytokinin in more quantity during fruit ripening
Answer» (2) Fruits forming ethylene in more quantity during fruit ripening

Discussion

23.	Which one of the following does not form hydrogen bonding?(a) NH3(b) H2O(c) HCl(d) HF
Answer» Answer (c) HCl

Discussion

24.	Why KMnO4 or MnO4 - ion is coloured ?
Answer» Due to charge transfer complex formation.

Discussion

25.	Abscisic acid induces- (1) Shoot elongation (2) Cell elongation and cell wall formation (3) Cell division (4) leaf fall and dormancy
Answer» (4) leaf fall and dormancy

Discussion

26.	Ethylene synthesis is induced by (1) Auxin (2) Gibberellin (3) Cytokinins (4) ABA
Answer» Ethylene synthesis is induced by Auxin.

Discussion

27.	Which of the following is/are the compound of aluminium?A. horn silverB. bauxiteC. corundumD. Diaspore
Answer» Correct Answer - B::C::D bcd

Discussion

28.	What is the precursor of ethylene ?(1) Tryptophan (2) Ethene (3) Methionine (4) None of the above
Answer» (3) Methionine

Discussion

29.	Natural cell division inducing factor occurs in(1) Coconut milk (2) Immature maize seeds (3) Both (4) Heated t - RNA
Answer» The Correct option is(3) Both

Discussion

30.	Among the following which helps in early ripening of fruits ? (1) Methane (2) Ethylene (3) CO2 (4) CO
Answer» (2) Ethylene

Discussion

31.	Consider the following statements:Statement I: KMNO4 is a coloured compund. Statement II: Colour of KMNO4 is due to charge transfer.Of these statements:(a) Both the statement are true and Statement II is the correct explanation of Statement I(b) Both the statement are true, but statement II is not the correct explanation of Statement I(c) Statement I is true, but Statement II is false(d) Statement I is false. but Statement II is true
Answer» Answer (a) Both the statement are true and Statement II is the correct explanation of Statement I

Discussion

32.	Which of the following have transition metal?A. HaemoglobinB. Vitamin `B_(12)`C. Cis-platinD. Chorophyll
Answer» Correct Answer - A::B::C abc

Discussion

33.	Ethylene synthesis occur in(1) Fruit (2) Stem (3) Leaf (4) All the above
Answer» (4) All the above

Discussion

34.	Which of the following elements is liquid at normal temperature?(a) Zinc(b) Mercury(c) Bromine(d) Water
Answer» Answer (b) Mercury

Discussion

35.	Consider the following statements:Statement I: Inert gases are chemically inert. Statement II: Inert gas have high ionisation energy and zero electron affinity.Of these statements:(a) Both the statement are true and Statement II is the correct explanation of Statement I(b) Both the statement are true, but statement II is not the correct explanation of Statement I(c) Statement I is true, but Statement II is false(d) Statement I is false. but Statement II is true
Answer» Answer (b) Both the statement are true, but statement II is not the correct explanation of Statement I

Discussion

36.	Which of the following is weaker base?A. `N(SiH_(3))^(3)`B. `N(CH_(3))_(3)`C. `NH(CH_(3))_(2)`D. All are equally basic
Answer» Correct Answer - A A Due to back bonding (A) is a weaker base

Discussion

37.	Which one of the following is least basic?(a) NCl3(b) NBr3(c) NI3(d) NF3
Answer» Answer (c) NI₃

Discussion

38.	Which is called the fruit ripening hormone ? (1) Auxin (2) Gibberellin (3) Ethylene (4) All the above
Answer» (3) Ethylene

Discussion

39.	Which of the following is not a condensation polymer?(a) Glyptal(b) Nylon-6, 6(c) PTFE(d) Dacron
Answer» Answer (d) Dacron

Discussion

40.	When mercuric iodide is added to the aqueous solution of potassium iodide, then:A. freezing point increasedB. freezing point is loweredC. boiling point does not changeD. Osmotic pressure increased
Answer» Correct Answer - A A ` underset ("Four ions") ubrace(2KI)+HgI_(2) to underset ("three ions") ubrace(K_(2)[HgI_(4)])`

Discussion

41.	Who gave the name cytokinin ? (1) Miller (2) Letham (3) Skoog (4) None of the above
Answer» Skoog gave the name cytokinin.

Discussion

42.	Which one acts as cytokinins ? (1) Diphenyl urea (2) Indoleacetic acid (3) Phosphon-D (4) None of the above
Answer» (1) Diphenyl urea

Discussion

43.	Smelting involves reduction of metal oxide with(a) Al(b) C(c) Mg(d) CO
Answer» Answer (b) C

Discussion

44.	The number of water of crystallization in green vitriol is…..
Answer» Correct Answer - 7 `[7]` Green vitriol is `FeSO_(4).7H_(2)O`

Discussion

45.	What happens during delay of senescence ? (1) Chlorophyll breakdown stops in the treated area (2) Transfer of proteins, amino acids and auxins towards the treated area (3) More protein synthesis in the treated area (4) All the above
Answer» (4) All the above

Discussion

46.	H2SO4 is a/an(a) acid(b) base(c) alkali(d) salt
Answer» Answer (a) acid an acid

Discussion

47.	Due to which hormone effect, seeds of Striga asiatica can be germinated without coming in contact with their host ? (1) Auxin (2) Gibberellin (3) Cytokinin (4) Ethylene
Answer» (3) Cytokinin

Discussion

48.	Which one is prevents over-ripening of banana and browning of cut fruits? (1) Gibberellic Acid (2) Indole-3 Acetic Acid (3) Ascorbic Acid (4) Abscisic Acid
Answer» (3) Ascorbic Acid

Discussion

49.	The number of P-O-P bonds in cyclic metaphosphori acid is(a) two(b) zero(c) three(d) four
Answer» Answer (d) four

Discussion

50.	Which one of the following is called green vitriol?(a) FeSO4.7H2O(b) CuSO4.5H2O(c) CaSO4.2H2O(d) none of these
Answer» Answer (a) FeSO₄.7H₂O FeSO₄.7H₂O is called green vitriol

50.

Which one of the following is called green vitriol?(a) FeSO4.7H2O(b) CuSO4.5H2O(c) CaSO4.2H2O(d) none of these

Answer»

Answer (a) FeSO₄.7H₂O

FeSO₄.7H₂O is called green vitriol

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Why cu-t acts as an effective contraceptive.

Which of the following is carbohydrate?(a) Thiamine(b) Lactose(c) Glycerol(d) Insulin

`0.1 M NaOH (aq)` solution having density `1.2 gm//ml` will have molalityA. `0.2 M`B. `0.15 M`C. `0.08 M`D. `0.12 M`

Primary precursor or I.A.A. is(1) Phenyl alanine (2) Tyrosine (3) Tryptophan (4) Leucine

Which one of the following is a gaseous plant hormone ? (1) Auxin (2) Gibberellin (3) Ethylene (4) Cytokinin

In chemical equation H2(g) + I2(g) ⇄ 2HI(g), the equilibrium Kp depends on(a) total pressure(b) catalyst used(c) amount of H2 and I2(d) temperature

Chloramphenicol is(a) antibiotic(b) analgesic(c) antipyretic(d) none of these

Which of the following compound can cause hardness in water ?A. `Mg(OH)_(2)`B. `Ca(HCO_(3))_(2)`C. `CaCO_(3)`D. `MgCO_(3)`

If the rate of a reaction is expressed by, Rate = klA]2 [B], then the order of reaction will be(a) 2(b) 3(c) 1(d) 0

What volume of water must be added to `500 ml NaOH` to make `2%` (w/v) NaOHA. `5000 mL`B. `6000 mL`C. `5500 mL`D. `6500 mL`

Why is Cu (Z = 29) considered a transition metal ?

The most common cytokinin is(1) IAA (2) Kinetin (3) Isopentanyl adenine (4) Dehydrozeatin

Which of the following statement is incorrect for `H_(2)O_(2)` :A. It can acts as oxidising as well as reducing agentB. It can oxidies `FeSO_(4), KI, K_(4) [Fe(CN)_(6)]` and `MnSO_(4)`C. It has a planar structure and is polarD. It has a non planar structure and is polar

If 2 gm of NaOH is present in 200 ml of its solution, its molarity will be(a) 0.25(b) 0.5(c) 5(d) 10

Arrange the given in increasing order of acidic character :CrO3, CrO, Cr2O3.

The gibberellin which is of wide distribution in higher plants are(1) GA29 (2) GA32 (3) GA1 (4) GA22

Which of the following effects is related to ethylene ? (1) Origin of root from graft (2) Origin of lateral root (3) Origin of root hair (4) All the above

An orbital has only positive values of wave friction at all distnaces from the nucleus. Find th value of `(n+l)` for this orbital.

Which one of the following does not form hydrogen bonding?(a) NH3(b) H2O(c) HCl(d) HF

Why KMnO4 or MnO4 - ion is coloured ?

Abscisic acid induces- (1) Shoot elongation (2) Cell elongation and cell wall formation (3) Cell division (4) leaf fall and dormancy

Ethylene synthesis is induced by (1) Auxin (2) Gibberellin (3) Cytokinins (4) ABA

Which of the following is/are the compound of aluminium?A. horn silverB. bauxiteC. corundumD. Diaspore

What is the precursor of ethylene ?(1) Tryptophan (2) Ethene (3) Methionine (4) None of the above

Natural cell division inducing factor occurs in(1) Coconut milk (2) Immature maize seeds (3) Both (4) Heated t - RNA

Among the following which helps in early ripening of fruits ? (1) Methane (2) Ethylene (3) CO2 (4) CO

Which of the following have transition metal?A. HaemoglobinB. Vitamin `B_(12)`C. Cis-platinD. Chorophyll

Ethylene synthesis occur in(1) Fruit (2) Stem (3) Leaf (4) All the above

Which of the following elements is liquid at normal temperature?(a) Zinc(b) Mercury(c) Bromine(d) Water

Which of the following is weaker base?A. `N(SiH_(3))^(3)`B. `N(CH_(3))_(3)`C. `NH(CH_(3))_(2)`D. All are equally basic

Which one of the following is least basic?(a) NCl3(b) NBr3(c) NI3(d) NF3

Which is called the fruit ripening hormone ? (1) Auxin (2) Gibberellin (3) Ethylene (4) All the above

Which of the following is not a condensation polymer?(a) Glyptal(b) Nylon-6, 6(c) PTFE(d) Dacron

When mercuric iodide is added to the aqueous solution of potassium iodide, then:A. freezing point increasedB. freezing point is loweredC. boiling point does not changeD. Osmotic pressure increased

Who gave the name cytokinin ? (1) Miller (2) Letham (3) Skoog (4) None of the above

Which one acts as cytokinins ? (1) Diphenyl urea (2) Indoleacetic acid (3) Phosphon-D (4) None of the above

Smelting involves reduction of metal oxide with(a) Al(b) C(c) Mg(d) CO

The number of water of crystallization in green vitriol is…..

What happens during delay of senescence ? (1) Chlorophyll breakdown stops in the treated area (2) Transfer of proteins, amino acids and auxins towards the treated area (3) More protein synthesis in the treated area (4) All the above

H2SO4 is a/an(a) acid(b) base(c) alkali(d) salt

Due to which hormone effect, seeds of Striga asiatica can be germinated without coming in contact with their host ? (1) Auxin (2) Gibberellin (3) Cytokinin (4) Ethylene

Which one is prevents over-ripening of banana and browning of cut fruits? (1) Gibberellic Acid (2) Indole-3 Acetic Acid (3) Ascorbic Acid (4) Abscisic Acid

The number of P-O-P bonds in cyclic metaphosphori acid is(a) two(b) zero(c) three(d) four

Which one of the following is called green vitriol?(a) FeSO4.7H2O(b) CuSO4.5H2O(c) CaSO4.2H2O(d) none of these