100525 + Interview Questions in GENERAL QA IN GENERAL AWARENESS Page 330 InterviewSolution

16451.	Name the anhydride of hypochlorous acid?
Answer» `Cl_2O` is anhydride of hypochlorous acid. `2HOCltoCl_2+H_2O`

Discussion

16452.	Calculated number of gm ions present in an aquesous solution containing 369 gm of `K_(2)SO_(4).(NH_(4))_(2)SO_(24).24H_(2)O` if the undergoes complete dissociation into ions and water does not dissociate.
Answer» Correct Answer - 3 `K_(2)SO_(4)(NH_(4))_(2)SO_(4).24H_(2)O to 2K^(+)2SO_(4)^(2-)+2NH_(4)^(+)` Molar mass =2x369

Discussion

16453.	In which of the following cases, the final solution obtained will definitely be basic?A. 100 ml 0.1 M NaOH solution is mixed with 200 m 0.1 M `H_(2)SO_(4)` solutionB. 50 ml 40% w/v NaOH solution is mixed with 1 litre of 0.5M `H_(2)SO_(4)` solution.C. 200 gm of 40% w/w NaOH solution is mixed wih 1.5 litre of 1 MHCl soluton.D. 200 ml of 0.2 M NaOH solution is mixed with 100 ml of 0.2 M `H_(2)SO_(4)` solution.
Answer» Correct Answer - 3 (1) mm of `NaOH=100xx 0.1 =10` mm of `H_(2)SO_(4)=200xx0.1 =20` `2NaOH+H_(2)SO_(4) to Na_(2)SO_(4)+2H_(2)O` 10(LR)`" "` 20 Solution will be acidic `{:((2),2NaOH,+,H_(2)SO_(4) to Na_(2)SO_(4)+2H_(2)),(t=0,"0.5 mole (LR)",,"0.5 mole"):}` Solution will be acidic (3) `{:(NaOH,+,HCl to Na_(2)SO_(4)+2H_(2)O),("2 mole","1.5 mole(LR)"):}` So solution will be basic answer is (3)

Discussion

16454.	What volume of liquid `A_(2)O_(3)` has same number of atoms are there are atoms in `BO_(2(l))` having volume 20 ml ? [Given Density of `A_(2)O_(3)`=1.5 gm/ml and density of `BO_(2)`=0.7 gm/ml, Atomic mass of A =50, Atomic mass of B =60 and O represents oxygen]
Answer» Correct Answer - 9 For `BO_(2)` `n_("atom")=14/92xx3` For `A_(2)O_(3)` `W/14xx5=14/92xx3` W=13.5 gm `d=W/V` `1.5=13.5/V` `V=13.5/1.5 =9 mL`

Discussion

16455.	What happens to acid strength among the acids of chlorine with an increase in oxidation number?
Answer» Acid strength: `HClOltHClO_2ltHClO_3ltHClO_4`.

Discussion

16456.	From the rater expression for the following reactions, determine their order of reaction and dimensions of the rate constants. `a. 3NO(g) rarr N_(2)O(g),` Rate`=k[NO]^(2)` `b. H_(2)O_(2)(aq)+3I^(c-)(aq)+2H^(o+) rarr 2H_(2)O(l)+I_(3)^(c-),` Rate`=k[H_(2)O_(2)][I^(c-)]` `c. CH_(3)CHO(g)rarr CH_(4)(g)+CO(g),` Rate`=k[CH_(3)CHO]^(3//2)` `d. C_(2)H_(5)Cl(g) rarr C_(2)H_(4)(g)+HCl(g),` Rate `k[C_(2)H_(5)Cl]`
Answer» Correct Answer - `a. OR=2` `k=L mol^(-1)s^(-1)` `b. OR(H_(2)O_(2))=1` `OR(I^(c-))=1` `OR(H^(o+))=0` Overall`OR=2` `k=L mol^(-1)s^(-1)` `c. OR(CH_(3)CHO,Overall)=1.5` `k=L^(1//2) mol^(-1//2 )s^(-1)` `c. OR(CH_(2)H_(5)Cl)=1` OR(Overall)=1 `k=s^(-1)` `a.` Order with respect to `NO` and overall order `=2` `k=L mol^(-1)s^(-1)` `b.` Order `w.r.t. H_(2)O_(2)=1` Order `w.r.t. I^(c-)=1` Order `w.r.t. H^(c-)=0` Overall order order `=2` `k=L mol^(-1)s^(-1)` `c.` Order `w.r.t. CH_(3)CHO` and Overall order `=1.5` `k=L^(1//2) mol^(-1//2)s^(-1)` `d.` Order `w.r.t. C_(2)H_(5)Cl=1` Overall order `=1` `k=s^(-1)`

Discussion

16457.	Arrange the hydrogen halides in decreasing order of their reducing power.
Answer» Reducing power: `HIgtHBrgtHClgtHF`

Discussion

16458.	The activation energy for the reaction `:` ltbr. `2Hl(g) rarr H_(2)(g)+I_(2)(g)` is `209.5 kJ mol^(-1)` at `581K`. Calculate the fraction of molecules of reactants having energy equal to or greater than activation energy ?
Answer» Correct Answer - `1.47xx10^(19)` Fraction of molecules having energy equal to or greater than activation energy is given by `:` `(n)/(N)=(x)=e^(-Ea//RT)` `:.ln (x)=(-Ea)/(RT)` `or log (x)=(-E_(a))/(2.303RT)` `=(209.5xxJ mol^(-1))/(2.303xx8.314J K^(-1) mol ^(-1)xx581K)` `=-18.8323` `:. x=Antilog(-18.8323)` `=Antilog(-18.8323+1-1)` `=Antilogbar(19).1677=1.471xx10^(-19)`

Discussion

16459.	Name the most metalllic element among halogens?
Answer» Most metallic halogen is iodine.

Discussion

16460.	Arrange the halongens in order of bond dissociation energies.
Answer» Bond dissociation energy: `Cl_2gtBr_2gtF_2gtI_2`

Discussion

16461.	What is geometry of `ClO_2^(ɵ),ClO_3^(ɵ)` and `ClO_4^(ɵ)` ions?
Answer» `ClO_2^(ɵ)` is angular (two lone pairs), `ClO_3^(ɵ)` is pyramidal (one lone pair) and `ClO_4^(ɵ)` is tetrahedral.

Discussion

16462.	Arrange halogens in increasing order of electron affinities.
Answer» Electron affinities: `IltBrltFltCl`

Discussion

16463.	For coagulation of arscnious sulphide sol, which one of the following salt solution will be most effective? (1) AlCl3 (2) NaCl (3) BaCl2 (4) Na3PO4
Answer» The correct option (1) AlCl₃ Explanation: To coagulate a negative colloid cation with higher charge is more effective.

16463.

For coagulation of arscnious sulphide sol, which one of the following salt solution will be most effective? (1) AlCl3 (2) NaCl (3) BaCl2 (4) Na3PO4

Answer»

The correct option (1) AlCl₃

Explanation:

To coagulate a negative colloid cation with higher charge is more effective.

Discussion

16464.	In the extraction of copper, the metal formed in the Bessemer converter is due to the reactionA. `2Cu_(2)O +Cu_(2)S rarr 6Cu +SO_(2)`B. `2Cu_(2)Orarr 4Cu +O_(2)`C. `2Cu_(2)S +3O_(2)rarr2Cu_(2)O + 2SO_(2)`D. `CuSrarr 2Cu +S`
Answer» Correct Answer - A Sometimes the sulphide ore may be oxidised to sulphate which is then reduced to the free metal by the excess of the sulphide ore. `underset("Copper pyrites")(2Cu_(2)) +3O_(2) rarr 2Cu_(2)O+2SO_(2)` `2Cu_(2)O +Cu_(2)S rarr 6Cu +SO_(2)`

Discussion

16465.	The ore that contains both iron and copper is :(1) malachite (2) dolomite (3) azurite (4) copper pyrites
Answer» Correct option (4) copper pyrites Explanation: Copper pyrites : CuFeS₂ Malachite : Cu(OH)₂. CuCO₃ Azurite : Cu(OH)₂ . 2CuCO₃ Dolomite : CaCO₃ . MgCO₃

16465.

The ore that contains both iron and copper is :(1) malachite (2) dolomite (3) azurite (4) copper pyrites

Answer»

Correct option (4) copper pyrites

Explanation:

Copper pyrites : CuFeS₂

Malachite : Cu(OH)₂. CuCO₃

Azurite : Cu(OH)₂ . 2CuCO₃

Dolomite : CaCO₃ . MgCO₃

Discussion

16466.	Identify the metal `M` whose extraction is based on the following reactions: `MS +2O_(2)rarr MSO_(4)` `2MS +3O_(2)rarr 2MO +2SO_(2)` `MS +2MO rarr 3M +SO_(2)` `MS +MSO_(4) rarr 2M +2SO_(2)`A. magnesiumB. aluminiumC. leadD. tin
Answer» Correct Answer - C As `PbS` on self-reduction with `PbO` and `PbSO_(4)` gives metallic lead.

Discussion

16467.	The correct match between Item I and Item II is :Item I Item II(A) Benzaldehyde(P) Mobile phase (B) Alumina (Q) Adsorbent (C)Acetonitrile (R) Adsorbate(1) (A) → (Q);(B) → (R);(C) → (P) (2) (A) → (P); (B) → (R); (C) →(Q) (3) (A) → (Q); (B) → (P); (C) → (R) (4) (A) → (R); (B) → (Q); (C) → (P)
Answer» The correct option (4) (A) → (R); (B) → (Q); (C) → (P)

16467.

The correct match between Item I and Item II is :Item I Item II(A) Benzaldehyde(P) Mobile phase (B) Alumina (Q) Adsorbent (C)Acetonitrile (R) Adsorbate(1) (A) → (Q);(B) → (R);(C) → (P) (2) (A) → (P); (B) → (R); (C) →(Q) (3) (A) → (Q); (B) → (P); (C) → (R) (4) (A) → (R); (B) → (Q); (C) → (P)

Answer»

The correct option

(4) (A) → (R); (B) → (Q); (C) → (P)

Discussion

16468.	Differentiate between the following dishes i) Xacuti and Bibinka ii) Dhokla and Dhansak
Answer» i) Xacuti and Bibinka: Xacuti-Curry made primarily of chicken variations. Bibinka- Dessert made up of coconut milk, jaggery, eggs, pancakes baked one over the other. ii) Dhokla and Dhansak: Dhokla-Batter is made from channa dal ,curd and spices, it is fermented and then steamed and tempered. Dhansak-combination of five dals, mutton, vegetable served with brown rice.

16468.

Differentiate between the following dishes i) Xacuti and Bibinka ii) Dhokla and Dhansak

Answer»

i) Xacuti and Bibinka:

Xacuti-Curry made primarily of chicken variations.
Bibinka- Dessert made up of coconut milk, jaggery, eggs, pancakes baked one over the other.

ii) Dhokla and Dhansak:

Dhokla-Batter is made from channa dal ,curd and spices, it is fermented and then steamed and tempered.
Dhansak-combination of five dals, mutton, vegetable served with brown rice.

Discussion

16469.	Tell four objectives of Institutional Catering.
Answer» Four objectives of Institutional Catering: 1.To serve food of good quality, properly cooked and prepared. 2.To deliver prompt and courteous service. 3.To provide well balanced varied menu 4.To offer reasonable price

16469.

Tell four objectives of Institutional Catering.

Answer»

Four objectives of Institutional Catering:

1.To serve food of good quality, properly cooked and prepared.

2.To deliver prompt and courteous service.

3.To provide well balanced varied menu

4.To offer reasonable price

Discussion

16470.	Bauxite is leached with:A. `KC1`B. `NaCN`C. `NaOH`D. `Na_(2)SO_(4)`
Answer» Correct Answer - C `A1_(2)O_(3) ("bauxite")+2NaOH(aq) +H_(2)O (1)overset("leaching")rarr 2Na[A1(H)_(4)](aq)`.

Discussion

16471.	Suggest four ways to control labour cost.
Answer» Four ways to control labour cost: 1.The staff must be retained as new staff will take time to adjust and in turn will give less output. 2.Over staffing must be avoided as it does not improve the quality of service and also increases the labour cost. 3.The hotel where ever possible must reduce overhead and other expenses on staff like on accommodation ,food, L. T. C. etc. 4.Staff should not be offered less perks than other similar type of hotels then they may leave and join the other hotel.

16471.

Suggest four ways to control labour cost.

Answer»

Four ways to control labour cost:

1.The staff must be retained as new staff will take time to adjust and in turn will give less output.

2.Over staffing must be avoided as it does not improve the quality of service and also increases the labour cost.

3.The hotel where ever possible must reduce overhead and other expenses on staff like on accommodation ,food, L. T. C. etc.

4.Staff should not be offered less perks than other similar type of hotels then they may leave and join the other hotel.

Discussion

16472.	For which ore of the metal, froth floatation method used for concentrationA. Horn silverB. BauxiteC. CinnabarD. Haematite
Answer» Correct Answer - C Cinnabar `(HgS)` the ore of mercury is concentrated by froth folatation process.

Discussion

16473.

Draw a format of indent sheet.

Answer»

Format of indent sheet:

Store requisition book no ..............

Department ..............

Store Requisition No. .............

Date ............... Time .............. on which requisition is made.

Date- ............Time ........... on which material required.

S . No	Itme (Wite Description)	Specification	Qunatity Requried	Unit	Quantity Issued	Unit

Requisition made by ............

Signature ...........

Authorized by (Signature) ........

Date .............

Signature of Store in charge ........

Discussion

16474.	Present any four ways of creating balance in a menu.
Answer» Four ways of creating balance in a menu: Avoid repetition of ingredients, texture, flavor and temperature. Nutritive value of the dishes should be considered. Regional dishes must be included Ensure that garnishes are in harmony with the dishes

16474.

Present any four ways of creating balance in a menu.

Answer»

Four ways of creating balance in a menu:

Avoid repetition of ingredients, texture, flavor and temperature.
Nutritive value of the dishes should be considered.
Regional dishes must be included
Ensure that garnishes are in harmony with the dishes

Discussion

16475.	Give four possible reasons of contamination in kitchen.
Answer» Four possible reasons of contamination in kitchen: Soiled cutting surface Spilling of liquid detergent Inadequate sanitizing of equiqments Spoiled dustbins

16475.

Give four possible reasons of contamination in kitchen.

Answer»

Four possible reasons of contamination in kitchen:

Soiled cutting surface
Spilling of liquid detergent
Inadequate sanitizing of equiqments
Spoiled dustbins

Discussion

16476.	Many movies are successful only because of the heavy promotion and advertising. A) hoe B) hype C) horn
Answer» Correct option is B) hype

Discussion

16477.	Hoe do you convert phenol to toluene
Answer» The first step involves the Friedel Crafts alkylation reaction in which methyl chloride and is used to convert phenol into toluene. Then, the Toluene is converted to benzoic acid by acidifying Potassium dichromate.

Discussion

16478.	How do you convert phenol to tiluene
Answer» The first step involves the Friedel Crafts alkylation reaction in which methyl chloride and is used to convert phenol into toluene. Then, the Toluene is converted to benzoic acid by acidifying Potassium dichromate.

Discussion

16479.	Why aryl halides are less reactive towards nucleophilic substitution reactions? Explain.
Answer» As result of resonance, C–Cl bond acquires a partial double bond character. Thus, the bond cleavage in haloarene is difficult than haloalkane (where carbon is attached to halogen by a pure single bond) and thus, they are less reactive towards nucleophilic substitution reaction.

Discussion

16480.	What happen when water is heated from 0°C - 4 °C
Answer» When water is heated from 0 ⁰C, its volume decreases because its density increases and you can see this effect upto 4 ⁰C. Because the density of ice is maximum at 4 ⁰C. Afterwards as the density decreases the volume increases. The main reason for this is hydrogen bond in ice gets cleaved due to the melting of ice.

Discussion

16481.	Why interhalogen compounds are more reactive than halogen compounds?
Answer» Interhalogen compounds are more reactive than halogens . This is because X – X’ bond in interhalogens is weaker than X – X bond in halogens.

Discussion

16482.	factorise =1) 3x² + 7x - 6
Answer» 3x²+ 7x - 6 = 0 3x² + (9 - 2)x - 6 = 0 3x² + 9x - 2x - 6 = 0 3x (x + 3) - 2 (x + 3) = 0 (3x - 2) (x + 3) = 0 Hence, (3x - 2) and (x + 3) are the factors of the above equation. :)

Discussion

16483.	Normal serum insulin level varies between (A) 4–25 µU/ml (B) 25–50 µU/ml (C) 70–90 µU/ml (D) 100–120 µU /ml
Answer» (C) 70–90 µU/ml

Discussion

16484.	Signal transducer for glucagons is a (A) Cyclic nucleotide (B) Phosphoinositide (C) Stimulatory G-protein (D) Inhibitory G-protein
Answer» (D) Inhibitory G-protein

Discussion

16485.	The half life of glucagons is (A) ~5 (B) ~7 (C) ~10(D) ~12
Answer» The half life of glucagons is ~10.

Discussion

16486.	Glucocorticoids increase the synthesis of all of the following except (A) Glucokinase (B) Glucose-6-phosphatase (C) Fructose-1, 6-biphosphatase (D) Pyruvate carboxylase
Answer» (A) Glucokinase

Discussion

16487.	The maximum value of 5x + 7y subject to constraints x + y ≤ 7, x ≥ 0, y ≥ 0 is :(A) 35 (B) 49 (C) 0 (D) None of these
Answer» Option : (B) 49

Discussion

16488.	X = \(\begin{bmatrix}0 & 1 \\[0.3em]1 &0\end{bmatrix}\) ⇒ X4 =(A) \(\begin{bmatrix}0 & 1 \\[0.3em]1 &0\end{bmatrix}\)(B) \(\begin{bmatrix}0 & 0 \\[0.3em]0 &0\end{bmatrix}\)(C) \(\begin{bmatrix}1 & 1 \\[0.3em]1 &1\end{bmatrix}\) (D) \(\begin{bmatrix}1 & 0 \\[0.3em]0 &1\end{bmatrix}\)[(0,1),(1,0)]
Answer» Option : (D) \(\begin{bmatrix}1 & 0 \\[0.3em]0 &1\end{bmatrix}\)

Discussion

16489.	Glucocorticoids increase all of the following except (A) Gluconeogenesis (B) Lipolysis in extremities (C) Synthesis of elcosanoida (D) Hepatic glycogenesis
Answer» (C) Synthesis of elcosanoida

Discussion

16490.	X = \(\begin{bmatrix}0 & 1 \\[0.3em]1 &0\end{bmatrix}\) ⇒ X4 =(A) \(\begin{bmatrix}0 & 1 \\[0.3em]1 &0\end{bmatrix}\)(B) \(\begin{bmatrix} 0 & 0 \\[0.3em]0 &0\end{bmatrix}\)(C) \(\begin{bmatrix}1 & 1 \\[0.3em]1 &1\end{bmatrix}\) (D) \(\begin{bmatrix}1 & 0 \\[0.3em]0 &1\end{bmatrix}\)[(0,1),(1,0)]
Answer» Option : (D) \(\begin{bmatrix}1 & 0 \\[0.3em]0 &1\end{bmatrix}\)

Discussion

16491.	Functions of protein is :-(a) Repairing of tissues (b) Building of cells(c) Growth and development (d) All of above.
Answer» Functions of protein is : Repairing of tissues Building of cells Growth and development

16491.

Functions of protein is :-(a) Repairing of tissues (b) Building of cells(c) Growth and development (d) All of above.

Answer»

Functions of protein is :

Repairing of tissues
Building of cells
Growth and development

Discussion

16492.	The source of fat is:-(a) Oil/Ghee (B) Cereals (c) Dal (d) All of above
Answer» The source of fat is Oil/Ghee.

Discussion

16493.	tan-1\(\frac{2x}{1-x^2}\) =(A) 2tan-1x (B) 2sin-1x (C) 2cos-1x (D) 2cot-1xtan-12x/(1-x2)
Answer» Option : (A) 2tan^-1x

Discussion

16494.	Clothes protects our body from:-(a) Winter (B) Summer (c) Rain (d) All of above
Answer» Clothes protects our body from Winter, Summer and Rain.

Discussion

16495.	Daily used clothes are:-(a) Saree (b) Pajama (c) Sameej (d) All the these
Answer» Daily used clothes are Saree, Pajama and Sameej.

Discussion

16496.	Ames assay is a rapid method for detection of (A) Oncoviruses (B) Retroviuses (C) Chemical carcinogens (D) Typhoid
Answer» (C) Chemical carcinogens

Discussion

16497.	If plane x + y + z = 2 is parallel to the line \(\frac{x - 2}{a} = \frac{y - 3}{b} = \frac{z - 4}{c}\) then(x - 2)/a = (y - 3)/b = (z - 4)/c(A) a + b + c = 2 (B) a + b + c = 0 (C) 2a + 3b + 4c = 0 (D) None of these
Answer» Correct answer is (B) a + b + c = 0

Discussion

16498.	Glucagon (A) Increases protein synthesis (B) Inhibits lipolysis in adipocytes (C) Increases gluconeogenesis in liver (D) Stimulates muscle glycogenolysis
Answer» (D) Stimulates muscle glycogenolysis

Discussion

16499.	The principal value of \(cos^{-1}\left(\frac{\sqrt{3}}{2}\right)\) iscos-1(√3/2)(A) π/2(B) π/4(C) π/6(D) None of these
Answer» Correct answer is (C) π/6

Discussion

16500.	Which one of the following is true for a binary operation ‘O’ defined on N by aOb = a + b? (A) Operation is both associative and commutative. (B) Operation is associative but not commutative. (C) Operation is commutative but not associative. (D) None of these
Answer» Correct answer is (A) Operation is both associative and commutative.

Discussion

Explore topic-wise InterviewSolutions in .

Name the anhydride of hypochlorous acid?

Calculated number of gm ions present in an aquesous solution containing 369 gm of `K_(2)SO_(4).(NH_(4))_(2)SO_(24).24H_(2)O` if the undergoes complete dissociation into ions and water does not dissociate.

What volume of liquid `A_(2)O_(3)` has same number of atoms are there are atoms in `BO_(2(l))` having volume 20 ml ? [Given Density of `A_(2)O_(3)`=1.5 gm/ml and density of `BO_(2)`=0.7 gm/ml, Atomic mass of A =50, Atomic mass of B =60 and O represents oxygen]

What happens to acid strength among the acids of chlorine with an increase in oxidation number?

Arrange the hydrogen halides in decreasing order of their reducing power.

The activation energy for the reaction `:` ltbr. `2Hl(g) rarr H_(2)(g)+I_(2)(g)` is `209.5 kJ mol^(-1)` at `581K`. Calculate the fraction of molecules of reactants having energy equal to or greater than activation energy ?

Name the most metalllic element among halogens?

Arrange the halongens in order of bond dissociation energies.

What is geometry of `ClO_2^(ɵ),ClO_3^(ɵ)` and `ClO_4^(ɵ)` ions?

Arrange halogens in increasing order of electron affinities.

For coagulation of arscnious sulphide sol, which one of the following salt solution will be most effective? (1) AlCl3 (2) NaCl (3) BaCl2 (4) Na3PO4

In the extraction of copper, the metal formed in the Bessemer converter is due to the reactionA. `2Cu_(2)O +Cu_(2)S rarr 6Cu +SO_(2)`B. `2Cu_(2)Orarr 4Cu +O_(2)`C. `2Cu_(2)S +3O_(2)rarr2Cu_(2)O + 2SO_(2)`D. `CuSrarr 2Cu +S`

The ore that contains both iron and copper is :(1) malachite (2) dolomite (3) azurite (4) copper pyrites

Identify the metal `M` whose extraction is based on the following reactions: `MS +2O_(2)rarr MSO_(4)` `2MS +3O_(2)rarr 2MO +2SO_(2)` `MS +2MO rarr 3M +SO_(2)` `MS +MSO_(4) rarr 2M +2SO_(2)`A. magnesiumB. aluminiumC. leadD. tin

Differentiate between the following dishes i) Xacuti and Bibinka ii) Dhokla and Dhansak

Tell four objectives of Institutional Catering.

Bauxite is leached with:A. `KC1`B. `NaCN`C. `NaOH`D. `Na_(2)SO_(4)`

Suggest four ways to control labour cost.

For which ore of the metal, froth floatation method used for concentrationA. Horn silverB. BauxiteC. CinnabarD. Haematite

Draw a format of indent sheet.

Present any four ways of creating balance in a menu.

Give four possible reasons of contamination in kitchen.

Many movies are successful only because of the heavy promotion and advertising. A) hoe B) hype C) horn

Hoe do you convert phenol to toluene

How do you convert phenol to tiluene

Why aryl halides are less reactive towards nucleophilic substitution reactions? Explain.

What happen when water is heated from 0°C - 4 °C

Why interhalogen compounds are more reactive than halogen compounds?

factorise =1) 3x² + 7x - 6

Normal serum insulin level varies between (A) 4–25 µU/ml (B) 25–50 µU/ml (C) 70–90 µU/ml (D) 100–120 µU /ml

Signal transducer for glucagons is a (A) Cyclic nucleotide (B) Phosphoinositide (C) Stimulatory G-protein (D) Inhibitory G-protein

The half life of glucagons is (A) ~5 (B) ~7 (C) ~10(D) ~12

Glucocorticoids increase the synthesis of all of the following except (A) Glucokinase (B) Glucose-6-phosphatase (C) Fructose-1, 6-biphosphatase (D) Pyruvate carboxylase

The maximum value of 5x + 7y subject to constraints x + y ≤ 7, x ≥ 0, y ≥ 0 is :(A) 35 (B) 49 (C) 0 (D) None of these

Glucocorticoids increase all of the following except (A) Gluconeogenesis (B) Lipolysis in extremities (C) Synthesis of elcosanoida (D) Hepatic glycogenesis

Functions of protein is :-(a) Repairing of tissues (b) Building of cells(c) Growth and development (d) All of above.

The source of fat is:-(a) Oil/Ghee (B) Cereals (c) Dal (d) All of above

tan-1\(\frac{2x}{1-x^2}\) =(A) 2tan-1x (B) 2sin-1x (C) 2cos-1x (D) 2cot-1xtan-12x/(1-x2)

Clothes protects our body from:-(a) Winter (B) Summer (c) Rain (d) All of above

Daily used clothes are:-(a) Saree (b) Pajama (c) Sameej (d) All the these

Ames assay is a rapid method for detection of (A) Oncoviruses (B) Retroviuses (C) Chemical carcinogens (D) Typhoid

If plane x + y + z = 2 is parallel to the line \(\frac{x - 2}{a} = \frac{y - 3}{b} = \frac{z - 4}{c}\) then(x - 2)/a = (y - 3)/b = (z - 4)/c(A) a + b + c = 2 (B) a + b + c = 0 (C) 2a + 3b + 4c = 0 (D) None of these

Glucagon (A) Increases protein synthesis (B) Inhibits lipolysis in adipocytes (C) Increases gluconeogenesis in liver (D) Stimulates muscle glycogenolysis

The principal value of \(cos^{-1}\left(\frac{\sqrt{3}}{2}\right)\) iscos-1(√3/2)(A) π/2(B) π/4(C) π/6(D) None of these

Which one of the following is true for a binary operation ‘O’ defined on N by aOb = a + b? (A) Operation is both associative and commutative. (B) Operation is associative but not commutative. (C) Operation is commutative but not associative. (D) None of these