For such kind of diazo- coupling reaction the suitable substituents P and S are respectively:

For such kind of diazo- coupling reaction the suitable substituents P and S are respectively:
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For such kind of diazo- coupling reaction the suitable substituents P and S are respectively: A. `-NH_(2)` and `- ... C. `-NH_(2)` and `-NHCH_(3)` D.
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Consider the following diazonium ion: The order of reactivity towards diazo coupling with phenol in presence of dil. NaOH:

Description : Consider the following diazonium ion: The order of reactivity towards diazo coupling with phenol in presence of dil. NaOH:

Last Answer : Consider the following diazonium ion: The order of reactivity towards diazo coupling with phenol in presence of dil. NaOH ... ` D. `S gt R gt Q gt P`

Why does a H+ ion attacking a carbon-carbon double bond add to the carbon with the least number of substituents? (a) the reaction is resonance stabilized. (b) the hybrid geometry favors this process. (c) nucleophile tends to attack stable centers of negative charge. (d) a more stable carbonium ion is generated.

Description : Why does a H+ ion attacking a carbon-carbon double bond add to the carbon with the least number of substituents? (a) the reaction is resonance stabilized. (b) the hybrid geometry favors this ... tends to attack stable centers of negative charge. (d) a more stable carbonium ion is generated.

Last Answer : a more stable carbonium ion is generated.

When an primary aromatic amine is treated with `NaNO_(2)+HCI` at `0^(@)-5^(@)C`, a diazonium salt is formed and the reaction is called diazo reaction.

Description : When an primary aromatic amine is treated with `NaNO_(2)+HCI` at `0^(@)-5^(@)C`, a diazonium salt is formed and the reaction is called diazo reaction.

Last Answer : When an primary aromatic amine is treated with `NaNO_(2)+HCI` at `0^(@)-5^(@)C`, a diazonium salt is ... is formed which can be given as: A. B. C. D.

When an primary aromatic amine is treated with `NaNO_(2)+HCI` at `0^(@)-5^(@)C`, a diazonium salt is formed and the reaction is called diazo reaction.

Description : When an primary aromatic amine is treated with `NaNO_(2)+HCI` at `0^(@)-5^(@)C`, a diazonium salt is formed and the reaction is called diazo reaction.

Last Answer : When an primary aromatic amine is treated with `NaNO_(2)+HCI` at `0^(@)-5^(@)C`, a diazonium salt ... reaction. The final product is A. B. C. D.

When an primary aromatic amine is treated with `NaNO_(2)+HCI` at `0^(@)-5^(@)C`, a diazonium salt is formed and the reaction is called diazo reaction.

Description : When an primary aromatic amine is treated with `NaNO_(2)+HCI` at `0^(@)-5^(@)C`, a diazonium salt is formed and the reaction is called diazo reaction.

Last Answer : When an primary aromatic amine is treated with `NaNO_(2)+HCI` at `0^(@)-5^(@)C`, a diazonium salt is formed and ... gt R gt S` D. `S gt R gt Q gt P`

Urine bases with methyl substituents occurring in plants are (A) Caffeine (B) Theophylline (C) Theobromine (D) All of these

Description : Urine bases with methyl substituents occurring in plants are (A) Caffeine (B) Theophylline (C) Theobromine (D) All of these

Last Answer : Answer : D

Which of the following substituents is an ortho and para director and ring deactivating? (a) –NH2 (b) –Cl (c) –OCH3 (d) –OH

Description : Which of the following substituents is an ortho and para director and ring deactivating? (a) –NH2 (b) –Cl (c) –OCH3 (d) –OH

Last Answer : –Cl

Which of the following has two equatorial alkyl substituents in its most stable conformation? (a) 1,1-dimethylcyclohexane (b) cis-1,2-dimethylcyclohexane (c) cis-1,3-diethylcyclohexane (d) cis-1,4-diethylcyclohexane

Description : Which of the following has two equatorial alkyl substituents in its most stable conformation? (a) 1,1-dimethylcyclohexane (b) cis-1,2-dimethylcyclohexane (c) cis-1,3-diethylcyclohexane (d) cis-1,4-diethylcyclohexane

Last Answer : cis-1,3-diethylcyclohexane

The presumptive test for semen is (a). Acid phosphatase test (b). Sodium alpha naphthyl test (c). Napthanil diazo test (d). Barbiturate test

Description : The presumptive test for semen is (a). Acid phosphatase test (b). Sodium alpha naphthyl test (c). Napthanil diazo test (d). Barbiturate test

Last Answer : Ans: (a). Acid phosphatase test 

A muff coupling is connecting two shafts. The torque involved is 650N-m. The shaft diameter is 45mm with length and height of the key being 14mm and 80mm respectively. Find the compressive stress induced in the key. a) 70.1 N/mm2 b) 51.6N/mm2 c) 45.5N/mm2 d) None of the listed

Description : A muff coupling is connecting two shafts. The torque involved is 650N-m. The shaft diameter is 45mm with length and height of the key being 14mm and 80mm respectively. Find the compressive stress induced in the key. a) 70.1 N/mm2 b) 51.6N/mm2 c) 45.5N/mm2 d) None of the listed

Last Answer : b) 51.6N/mm2

A muff coupling is connecting two shafts. The torque involved is 650N-m. The shaft diameter is 45mm with length and breadth of the key being 14mm and 80mm respectively. Find the shear stress induced in the key. a) 30.2N/mm2 b) 25.8N/mm2 c) 34.4N/mm2 d) None of the listed

Description : A muff coupling is connecting two shafts. The torque involved is 650N-m. The shaft diameter is 45mm with length and breadth of the key being 14mm and 80mm respectively. Find the shear stress induced in the key. a) 30.2N/mm2 b) 25.8N/mm2 c) 34.4N/mm2 d) None of the listed

Last Answer : b) 25.8N/mm2

A muff coupling is connecting two shafts. The torque involved is 650N-m. The shaft diameter is 45mm with length and breadth of the key being 14mm and 80mm respectively. Find the shear stress induced in the key. a) 30.2N/mm2 b) 25.8N/mm2 c) 34.4N/mm2 d) None of the listed

Description : A muff coupling is connecting two shafts. The torque involved is 650N-m. The shaft diameter is 45mm with length and breadth of the key being 14mm and 80mm respectively. Find the shear stress induced in the key. a) 30.2N/mm2 b) 25.8N/mm2 c) 34.4N/mm2 d) None of the listed

Last Answer : b) 25.8N/mm2

Define cohesion & coupling? Give suitable examples.

Description : Define cohesion & coupling? Give suitable examples.

Last Answer : Ans Coupling:Coupling refers to the strength of the relationship between modules in a system. Coupling represents how strongly different modules are interconnected with each other. Cohesion: Cohesion ... Cohesion represents how strongly the internal elements of a module are bound to each other.

Points P and Q have been taken on opposite sides AB and CD, respectively of a parallelogram ABCD such that AP = CQ . -Maths 9th

Description : Points P and Q have been taken on opposite sides AB and CD, respectively of a parallelogram ABCD such that AP = CQ . -Maths 9th

Last Answer : Join AQ and PC . Since ABCD is a parallelogram . ⇒ AB | | DC ⇒ AP | | QC ∵ AP and QC are parts of AB and DC respectively] Also, AP = CQ [given] Thus, APCQ is a parallelogram . We know that diagonals of a parallelogram bisect each other . Hence AC and PQ bisect each other .

Points P and Q have been taken on opposite sides AB and CD, respectively of a parallelogram ABCD such that AP = CQ. Show that AC and PQ bisect each other. -Maths 9th

Description : Points P and Q have been taken on opposite sides AB and CD, respectively of a parallelogram ABCD such that AP = CQ. Show that AC and PQ bisect each other. -Maths 9th

Last Answer : According to question parallelogram ABCD such that AP = CQ.

Points P and Q have been taken on opposite sides AB and CD, respectively of a parallelogram ABCD such that AP = CQ . -Maths 9th

Description : Points P and Q have been taken on opposite sides AB and CD, respectively of a parallelogram ABCD such that AP = CQ . -Maths 9th

Last Answer : Join AQ and PC . Since ABCD is a parallelogram . ⇒ AB | | DC ⇒ AP | | QC ∵ AP and QC are parts of AB and DC respectively] Also, AP = CQ [given] Thus, APCQ is a parallelogram . We know that diagonals of a parallelogram bisect each other . Hence AC and PQ bisect each other .

Points P and Q have been taken on opposite sides AB and CD, respectively of a parallelogram ABCD such that AP = CQ. Show that AC and PQ bisect each other. -Maths 9th

Description : Points P and Q have been taken on opposite sides AB and CD, respectively of a parallelogram ABCD such that AP = CQ. Show that AC and PQ bisect each other. -Maths 9th

Last Answer : According to question parallelogram ABCD such that AP = CQ.

If the driving torque, such as that produced by a diesel engine, creates pulsations when coupled with a synchronous generator operating in parallel; the generator rotor may be periodically pulled ahead or behind its normal position as it rotates. This co A. hunting B. direct coupling C. peaking D. harmonic coupling

Description : If the driving torque, such as that produced by a diesel engine, creates pulsations when coupled with a synchronous generator operating in parallel; the generator rotor may be periodically pulled ahead or behind ... as it rotates. This co A. hunting B. direct coupling C. peaking D. harmonic coupling

Last Answer : Answer: A

If the driving torque, such as that produced by a diesel engine, creates pulsations when coupled with a synchronous generator operating in parallel; the generator rotor may be periodically pulled ahead or behind its normal position as it rotates. This hu A. amortisseur windings B. direct coupling C. increase governor speed droop D. decreasing governor speed droop

Description : If the driving torque, such as that produced by a diesel engine, creates pulsations when coupled with a synchronous generator operating in parallel; the generator rotor may be periodically pulled ... windings B. direct coupling C. increase governor speed droop D. decreasing governor speed droop

Last Answer : Answer: A

For reactions in parallel viz A → P (desired product) and A → Q (unwanted product), if the order of the desired reaction is higher than that of the undesired reaction, a (A) Batch reactor is preferred over a single CSTR for high yield (B) Tubular reactor is preferred over a single CSTR for high yield (C) Both (A) and (B) (D) Single CSTR is the most suitable

Description : For reactions in parallel viz A → P (desired product) and A → Q (unwanted product), if the order of the desired reaction is higher than that of the undesired reaction, a (A) Batch reactor is preferred over a ... a single CSTR for high yield (C) Both (A) and (B) (D) Single CSTR is the most suitable

Last Answer : (C) Both (A) and (B)

What is a coupling reaction ?

Description : What is a coupling reaction ?

Last Answer : : An oxidation reaction in which two or more chemicals combine to form a single product is called a coupling reaction. For example, ferrous chloride combines with chlorine to produce ferric ... Thus the process of producing ammonia gas is considered as either a coupling or synthesis reaction.

What is the coupling reaction ?

Description : What is the coupling reaction ?

Last Answer : : Benzene diazonium chloride ( C6H5N2Cl) reacts with phenol in mild alkaline solution ( NaOH) to form yellow azo compound. This reaction is called coupling reaction.

Coupling reaction takes place when benzene diazonium chloride is treated with :

Description : Coupling reaction takes place when benzene diazonium chloride is treated with :

Last Answer : Coupling reaction takes place when benzene diazonium chloride is treated with : A. Benzaldehyde B. `alpha`-naphthol C. N, N-dimethyl aniline D. Phenol

Which of the following compounds will not undergo azo coupling reaction with benzene diazonium chloride?

Description : Which of the following compounds will not undergo azo coupling reaction with benzene diazonium chloride?

Last Answer : Which of the following compounds will not undergo azo coupling reaction with benzene diazonium chloride? ... B. Phenol C. Anisole D. Nitrobenzene

At the temperature corresponding to which of the points in Fig. `FeO` will be reduced to Fe by coupling the reaction `2Fe rarr 2Fe +O_(2)` with all of

Description : At the temperature corresponding to which of the points in Fig. `FeO` will be reduced to Fe by coupling the reaction `2Fe rarr 2Fe +O_(2)` with all of

Last Answer : At the temperature corresponding to which of the points in Fig. `FeO` will be reduced to Fe by coupling the ... A B. Point B C. Point D D. Point E

Preparation of a diazonium salt from a primary aromatic amine is known as : (a) Coupling reaction (b) Sandmeyer reaction (c) Diazotization (d) Corey-House synthesis

Description : Preparation of a diazonium salt from a primary aromatic amine is known as : (a) Coupling reaction (b) Sandmeyer reaction (c) Diazotization (d) Corey-House synthesis

Last Answer : Diazotization

3. ABCD is a rectangle and P, Q, R and S are mid-points of the sides AB, BC, CD and DA respectively. Show that the quadrilateral PQRS is a rhombus. -Maths 9th

Description : 3. ABCD is a rectangle and P, Q, R and S are mid-points of the sides AB, BC, CD and DA respectively. Show that the quadrilateral PQRS is a rhombus. -Maths 9th

Last Answer : Solution: Given in the question, ABCD is a rectangle and P, Q, R and S are mid-points of the sides AB, BC, CD and DA respectively. Construction, Join AC and BD. To Prove, PQRS is a rhombus. Proof: In ΔABC P and Q ... (ii), (iii), (iv) and (v), PQ = QR = SR = PS So, PQRS is a rhombus. Hence Proved

2. ABCD is a rhombus and P, Q, R and S are the mid-points of the sides AB, BC, CD and DA respectively. Show that the quadrilateral PQRS is a rectangle. -Maths 9th

Description : 2. ABCD is a rhombus and P, Q, R and S are the mid-points of the sides AB, BC, CD and DA respectively. Show that the quadrilateral PQRS is a rectangle. -Maths 9th

Last Answer : Solution: Given in the question, ABCD is a rhombus and P, Q, R and S are the mid-points of the sides AB, BC, CD and DA respectively. To Prove, PQRS is a rectangle. Construction, Join AC and BD. Proof: In ΔDRS and ... , In PQRS, RS = PQ and RQ = SP from (i) and (ii) ∠Q = 90° , PQRS is a rectangle.

If P,Q,R,S are respectively the mid - points of the sides of a parallelogram ABCD, if ar(||gm PQRS) = 32.5cm2 , then find ar(||gm ABCD). -Maths 9th

Description : If P,Q,R,S are respectively the mid - points of the sides of a parallelogram ABCD, if ar(||gm PQRS) = 32.5cm2 , then find ar(||gm ABCD). -Maths 9th

Last Answer : Join PR. ∵ △PSR and ||gm APRD are on the same base and between same parallel lines. ar(△PSR) = 1/2 ar(||gm APRD) Similarly, ar(△PQR) = 1/2 ar(||gm PBCR) ar(△PQRS) = ar(△PSR) + △(PQR) = 1/2 ar(||gm APRD) + 1 ... |gm PBCR) = 1/2 ar(||gm ABCD) ⇒ ar(||gm ABCD) = 2 ar(||gm PQRS) = 2 32.5 = 65cm2

P, Q, R and S are respectively the mid-points of the sides AB, BC, CD and DA of a quadrilateral ABCD in which AC = BD. -Maths 9th

Description : P, Q, R and S are respectively the mid-points of the sides AB, BC, CD and DA of a quadrilateral ABCD in which AC = BD. -Maths 9th

Last Answer : Given In a quadrilateral ABCD, P, Q, R and S are the mid-points of sides AB, BC, CD and DA, respectively. Also, AC = BD To prove PQRS is a rhombus.

P, Q, R and S are respectively the mid-points of sides AB, BC, CD and DA of quadrilateral ABCD in which AC = BD and AC ⊥ BD. Prove that PQRS is a square. -Maths 9th

Description : P, Q, R and S are respectively the mid-points of sides AB, BC, CD and DA of quadrilateral ABCD in which AC = BD and AC ⊥ BD. Prove that PQRS is a square. -Maths 9th

Last Answer : Given In quadrilateral ABCD, P, Q, R and S are the mid-points of the sides AB, BC, CD and DA, respectively. Also, AC = BD and AC ⊥ BD. To prove PQRS is a square. Proof Now, in ΔADC, S and R are the mid-points of the sides AD and DC respectively, then by mid-point theorem,

If P,Q,R,S are respectively the mid - points of the sides of a parallelogram ABCD, if ar(||gm PQRS) = 32.5cm2 , then find ar(||gm ABCD). -Maths 9th

Description : If P,Q,R,S are respectively the mid - points of the sides of a parallelogram ABCD, if ar(||gm PQRS) = 32.5cm2 , then find ar(||gm ABCD). -Maths 9th

Last Answer : Join PR. ∵ △PSR and ||gm APRD are on the same base and between same parallel lines. ar(△PSR) = 1/2 ar(||gm APRD) Similarly, ar(△PQR) = 1/2 ar(||gm PBCR) ar(△PQRS) = ar(△PSR) + △(PQR) = 1/2 ar(||gm APRD) + 1 ... |gm PBCR) = 1/2 ar(||gm ABCD) ⇒ ar(||gm ABCD) = 2 ar(||gm PQRS) = 2 32.5 = 65cm2

P, Q, R and S are respectively the mid-points of the sides AB, BC, CD and DA of a quadrilateral ABCD in which AC = BD. -Maths 9th

Description : P, Q, R and S are respectively the mid-points of the sides AB, BC, CD and DA of a quadrilateral ABCD in which AC = BD. -Maths 9th

Last Answer : Given In a quadrilateral ABCD, P, Q, R and S are the mid-points of sides AB, BC, CD and DA, respectively. Also, AC = BD To prove PQRS is a rhombus.

P, Q, R and S are respectively the mid-points of sides AB, BC, CD and DA of quadrilateral ABCD in which AC = BD and AC ⊥ BD. Prove that PQRS is a square. -Maths 9th

Description : P, Q, R and S are respectively the mid-points of sides AB, BC, CD and DA of quadrilateral ABCD in which AC = BD and AC ⊥ BD. Prove that PQRS is a square. -Maths 9th

Last Answer : Given In quadrilateral ABCD, P, Q, R and S are the mid-points of the sides AB, BC, CD and DA, respectively. Also, AC = BD and AC ⊥ BD. To prove PQRS is a square. Proof Now, in ΔADC, S and R are the mid-points of the sides AD and DC respectively, then by mid-point theorem,

ABCD is a rectangle and p q r s are the mid points of the side AB BC CD AND DA respectively. Show that the quadrilateral PQRS is a rhombus -Maths 9th

Description : ABCD is a rectangle and p q r s are the mid points of the side AB BC CD AND DA respectively. Show that the quadrilateral PQRS is a rhombus -Maths 9th

Last Answer : This answer was deleted by our moderators...

If ABCD is a rectangle and P, Q, R and S are the mid-points of the sides AB, BC, CD and DA respectively, then quadrilateral PQRS is a rhombus. -Maths 9th

Description : If ABCD is a rectangle and P, Q, R and S are the mid-points of the sides AB, BC, CD and DA respectively, then quadrilateral PQRS is a rhombus. -Maths 9th

Last Answer : Here, we are joining A and C. In ΔABC P is the mid point of AB Q is the mid point of BC PQ∣∣AC [Line segments joining the mid points of two sides of a triangle is parallel to AC(third side) and ... RS=PS=RQ[All sides are equal] ∴ PQRS is a parallelogram with all sides equal ∴ So PQRS is a rhombus.

ABCD is a trapezium in which AB || DC and AD = BC. If P, Q, R and S be respectively the mid-points of BA, BD, CD and CA, then PQRS is a -Maths 9th

Description : ABCD is a trapezium in which AB || DC and AD = BC. If P, Q, R and S be respectively the mid-points of BA, BD, CD and CA, then PQRS is a -Maths 9th

Last Answer : Here is your First of all we will draw a quadrilateral ABCD with AD = BC and join AC, BD, P,Q,R,S are the mid points of AB, AC, CD and BD respectively. In the triangle ABC, P and Q are mid points of AB and AC respectively. All sides are equal so PQRS is a Rhombus.

ABCD is a square. P, Q, R, S are the mid-points of AB, BC, CD and DA respectively. By joining AR, BS, CP, DQ, we get a quadrilateral which is a -Maths 9th

Description : ABCD is a square. P, Q, R, S are the mid-points of AB, BC, CD and DA respectively. By joining AR, BS, CP, DQ, we get a quadrilateral which is a -Maths 9th

Last Answer : According to the given statement, the figure will be a shown alongside; using mid-point theorem: In △ABC,PQ∥AC and PQ=21 AC .......(1) In △ADC,SR∥AC and SR=21 AC .... ... are perpendicular to each other) ∴PQ⊥QR(angle between two lines = angle between their parallels) Hence PQRS is a rectangle.

The correct values of ionization enthalpies(in KJ `"mol"^(-1)`) of Si, P, Cl, and S respectively are: a)`786, 1012, 999, 1256` b)`1012, 786, 999, 1256

Description : The correct values of ionization enthalpies(in KJ `"mol"^(-1)`) of Si, P, Cl, and S respectively are: a)`786, 1012, 999, 1256` b)`1012, 786, 999, 1256

Last Answer : The correct values of ionization enthalpies(in KJ `"mol"^(-1)`) of Si, P, Cl, and S respectively are: ... . `786,1012,1256,999` D. `786,999,1012,1256`

Oxidation number of P in `PO_(4)^(3-)`, of S in `SO_(4)^(2-)` and that of `Cr_(2)O_(7)^(2-)` are respectively

Description : Oxidation number of P in `PO_(4)^(3-)`, of S in `SO_(4)^(2-)` and that of `Cr_(2)O_(7)^(2-)` are respectively

Last Answer : Oxidation number of P in `PO_(4)^(3-)`, of S in `SO_(4)^(2-)` and that of `Cr_(2)O_(7)^(2-)` are ... . `+3, +6 and +5` D. `+5, +3, and +6`

Compounds P and R upon ozonolysis produce Q and S, respectively. The molecular formula of Q and S is `C_(8)H_(8)O`. Q undergoes cannizzaro reactions b

Description : Compounds P and R upon ozonolysis produce Q and S, respectively. The molecular formula of Q and S is `C_(8)H_(8)O`. Q undergoes cannizzaro reactions b

Last Answer : Compounds P and R upon ozonolysis produce Q and S, respectively. The molecular formula of Q and S is `C_(8) ... R , respectively is (are) A. B. C. D.

According to Bond crushing law, the work required to form particle of size 'D' from very large feed is (where (S/V)p and (S/V) f are surface to volume ratio of the product and feed respectively). (A) (S/V)p (B) √(S/V)p (C) (S/V) 2 p (D) (S/V) f

Description : According to Bond crushing law, the work required to form particle of size 'D' from very large feed is (where (S/V)p and (S/V) f are surface to volume ratio of the product and feed respectively). (A) (S/V)p (B) √(S/V)p (C) (S/V) 2 p (D) (S/V) f

Last Answer : (B) √(S/V)

The shorter and longer arms of a submetacentric chromosome are referred to as (a) m-arm and n-arm respectively (b) s-arm and l-arm respectively (c) p-arm and q-arm respectively (d) q-arm and p-arm respectively.

Description : The shorter and longer arms of a submetacentric chromosome are referred to as (a) m-arm and n-arm respectively (b) s-arm and l-arm respectively (c) p-arm and q-arm respectively (d) q-arm and p-arm respectively.

Last Answer : (c) p-arm and q-arm respectively

Which of the following statement(s) is/are true with respect to software architecture? S1: Coupling is a measure of how well the things grouped together in a module belong together logically. S2: Cohesion is a measure of the degree of interaction between software modules. S3: If coupling is low and cohesion is high then it is easier to change one module without affecting others. (1) Only S1 and S2 (2) Only S3 (3) All of S1, S2 and S3 (4) Only S1

Description : Which of the following statement(s) is/are true with respect to software architecture? S1: Coupling is a measure of how well the things grouped together in a module belong together logically. S2: Cohesion is a measure of the ... ) Only S1 and S2 (2) Only S3 (3) All of S1, S2 and S3 (4) Only S1

Last Answer : Answer: 2

A basic S -R flip-flop can be constructed by cross -coupling which basic logic gates : -

Description : A basic S -R flip-flop can be constructed by cross -coupling which basic logic gates : - a) AND or OR gates b) XOR or XNOR gates c) NOR or NAND gates d) AND or NOR gates

Last Answer : A basic S -R flip-flop can be constructed by cross -coupling which basic logic gates : - NOR or NAND gates

The following statement(s) is/are true concerning newer detection methods of systemic infection. a. Enzyme-linked immunosorbent assay (ELISA) is a rapid immunologic assay used for both antigen and antibody detection b. Southern, northern, and western immunoblot techniques are used to detect DNA, RNA, or proteins, respectively c. Polymerase chain reaction (PCR) is a sensitive assay used to detect small amounts of microbial DNA, thus detecting infection at its early stages d. Infectious agents currently detected using advanced molecular techniques include cytomegalovirus (CMV) and human immunodeficiency virus (HIV)

Description : The following statement(s) is/are true concerning newer detection methods of systemic infection. a. Enzyme-linked immunosorbent assay (ELISA) is a rapid immunologic assay used for ... detected using advanced molecular techniques include cytomegalovirus (CMV) and human immunodeficiency virus (HIV)

Last Answer : Answer: a, b, c, d Although the classic detection of infection based on clinical signs of infection and bacterial culture remain the most common clinical tools, increasing ... including CMV and HIV. Furthermore, preliminary investigations into possible detection of fungal pathogens are underway

I have one eye but cannot see. No teeth, and yet I bite. My voice can whisper softly or can keep you up all night. P.S. This riddle is meant to be heard, not read. As such, please read it aloud and figure it out from there, to grasp the answer. What am I? -Riddles

Description : I have one eye but cannot see. No teeth, and yet I bite. My voice can whisper softly or can keep you up all night. P.S. This riddle is meant to be heard, not read. As such, please read it aloud and figure it out from there, to grasp the answer. What am I? -Riddles

Last Answer : Wind' - Reasoning: 'Eye' sounds like 'i', and the fact that the answer 'cannot see' hints that this is the case. Wind, especially high wind, can feel biting, and in literature, the ... depending on how strong the wind is. Loud winds are often associated with keeping people up during the night.

The major macro- elements are C; H; O; N; S; P; K; Ca; Mg and Fe ganic food. Such plants are called?

Description : The major macro- elements are C; H; O; N;  S; P; K; Ca; Mg and Fe ganic food. Such plants  are called?

Last Answer : Heterotrophic plants

The figure shows the front view of a convex lens, which originally had only one edge. Five holes of different shapes, namely triangle, square, pentagon, hexagon and circle, were drilled through it at points P, Q, R, S and T in such a way that the holes were parallel to each other, perpendicular to the edge and all the holes were still within the lens edge. What is the total number of edges in the lens after the holes were drilled?

Description : The figure shows the front view of a convex lens, which originally had only one edge. Five holes of different shapes, namely triangle, square, pentagon, hexagon and circle, were drilled through it at points P ... . What is the total number of edges in the lens after the holes were drilled? 

Last Answer : 57