Description : In the following reactions sequence, the correct structures of E,F and G are
Last Answer : In the following reactions sequence, the correct structures of E,F and G are A. B. C. D.
Description : The correct sequence of the reactions of catabolism of adenosine to uric acid is (A) Adenosine→hypoxanthine→xanthine→uric acid (B) Adenosine→xanthine→inosine→uric acid (C) Adenosine→inosine→hypoxanthine→ xanthine uric acid (D) Adenosine→xanthine→inosine→hypoxanthine uric acid
Last Answer : Answer : C
Description : Which one of the following is correct sequence for the flow of electrons in the energy-fixing reactions of photosynthesis? a. Water-photosystem 1-photosystem II-NADPH b. Photosystem I-NADPH-water- ... --- photosystem II------ photosystem I-NADPH d. NADPH-photosystem Il-photosystem I-water
Last Answer : d. NADPH—photosystem Il—photosystem I—water
Description : The product P obtained through the following sequence of reactions is
Last Answer : The product P obtained through the following sequence of reactions is A. 3-chloroaniline ... C. 3-bromochlorobenzene D. 3-bromoaniline
Description : The products of following sequence of reactions are
Last Answer : The products of following sequence of reactions are A. B. C. D.
Description : The product `(Y)` of the following sequence of the reactions would be
Last Answer : The product `(Y)` of the following sequence of the reactions would be A. B. C. D.
Description : The product B of the following sequence of reactions is `C_(6)H_(5)CONH_(2) overset(Br_(2))underset(NaOH)toA overst(NaNO_(2)//HCl)underset(ul(" "0-5^(
Last Answer : The product B of the following sequence of reactions is `C_(6)H_(5)CONH_(2) overset(Br_(2))underset(NaOH)toA overst( ... 5^(@)C" "))toB` A. B. C. D.
Description : The major product of the following reactions sequence is
Last Answer : The major product of the following reactions sequence is A. B. C. D.
Description : Consider the following sequence of reactions The product (A) and (B) are, respectively :
Last Answer : Consider the following sequence of reactions The product (A) and (B) are, respectively : A. B. C. D.
Description : The acid D obtained through the following sequence of reactions is: `C_(2)H_(5)Br overset(Alc. KOH)rarrA overset(Br_(2))underset(C Cl_(4))rarrBoverset
Last Answer : The acid D obtained through the following sequence of reactions is: `C_(2)H_(5)Br overset(Alc. KOH) ... B. Malonic acid C. Maleic acid D. Oxalic acid
Description : Consider the following sequence of reactions: Identify product C:
Last Answer : Consider the following sequence of reactions: Identify product C: A. B. C. D.
Description : Consider the following sequence of reactions: The products (B) and (C) are:
Last Answer : Consider the following sequence of reactions: The products (B) and (C) are: A. B. C. D.
Description : Consider the following sequence of reactions : `H_(2)C = CH-CH =CH_(2) overset(Br_(1)(1 "mole"))underset(C CI_(4))rarrA overset(1.KCN("excess"))unders
Last Answer : Consider the following sequence of reactions : `H_(2)C = CH-CH =CH_(2) overset(Br_(1)(1 "mole"))underset(C ... ))underset(|)(CH)-(CH_(2))_(2)-NH_(2)`
Description : Consider the following sequence of reactions: `overset(C CI_(4))underset(Delta)rarr A overset(1.CH_(2)=CH-CH_(2)Br)underset(2.H_(3)O^(o+),Delta)rarrB`
Last Answer : Consider the following sequence of reactions: `overset(C CI_(4))underset(Delta)rarr A overset(1.CH_(2)=CH-CH_(2) ... end product (B) is: A. B. C. D.
Description : Identify the product Z in the following sequence of reactions "`phenol" overset(NaOH)rarrX underset(4-7 atm, 410 K)overset(CO_(2))rarrY overset(H_(3)O
Last Answer : Identify the product Z in the following sequence of reactions "`phenol" overset(NaOH)rarrX ... Salicyladehyde C. Benzoic acid D. Salicylic acid
Description : A metabolic pathways is a (A) Route taken by chemicals (B) Sequence of enzyme facilitated chemical reactions (C) Route taken by an enzyme from one reaction to another (D) Sequence of origin of organic molecules
Last Answer : Answer : B
Description : The nurse teaches the patient with allergies about anaphylaxis including which of the following statements? a) The most common cause of anaphylaxis is penicillin. The most common ... 30 minutes of exposure involving cardiovascular, respiratory, gastrointestinal, and integumentary organ systems.
Last Answer : a) The most common cause of anaphylaxis is penicillin. The most common cause of anaphylaxis, accounting for about 75% of fatal anaphylactic reactions in the U.S., is penicillin.
Description : Consider the following statements: 1. The atmosphere of the primitive earth was reducing 2. The primary source of energy for the chemosynthetic reactions on earth that led to the origin of life was the solar energy 3. Liquid water did not ... 1 and 2 (b) 1 and 4 (c) 1, 2, and 3 (d) 1, 3, and 4
Last Answer : Ans:(d)
Description : Which of the following statements concerning SN2 reactions of alkyl halides is not correct? (a) The rate of reaction depends on the concentration of the nucleophile. (b) The rate of reaction depends on the ... carbon of the C-Br bond. (d) All alkyl iodides react more rapidly than all alkyl chlorides
Last Answer : All alkyl iodides react more rapidly than all alkyl chlorides
Description : Which one of the following statements is not correct? A Since voltage depends on concentrations, using standard conditions makes it easier to compare different electrochemical reactions. B We have ... half-reactions are determined by combining the relevant half-cell with a standardised half-cell.
Last Answer : C The direction of a redox reaction can only be determined experimentally.
Description : Which one of the following statements regarding a catalyst is not correct? A An enzyme is a catalyst that only binds certain substrates. B An enzyme is a protein that is a highly ... increasing the activation energy. D Catalysts do not alter the equilibrium constant for a chemical reaction.
Last Answer : C Catalysts increase the rate of a reaction by altering the mechanism, thereby increasing the activation energy.
Description : Which one of the following statements concerning glucose-6-phosphate dehydrogenase deficiency is correct? (A) Young R.B.Cs, particularly reticulocytes, contain the highest enzyme activity cells show less enzyme ... PD gene (D) G-6-PD deficiency is precipitated by ingestion of drugs such as aspirin
Last Answer : Answer : A
Description : Which of the following statements regarding cash flow patterns (for time periods 0, 1, 2, 3, and 4) is correct? A. The sequence of -Rs.100, Rs.50, Rs.40, Rs.60, and Rs.50 is a non-conventional cash ... -Rs.50, Rs.50, Rs.70, Rs.60, and -Rs.150 potentially has at most two internal rates of return.
Last Answer : B. The sequence of -Rs.100, Rs.600, -Rs.1,100, Rs.600, and Rs.20 potentially has a maximum of two internal rates of return.
Description : Which of the statements give below is correct with respect to frameshift mutation a) a single nucleotide base change, insertion, or deletion of the genetic material b) Glutamine is replaced by valine c) ... or deletions of a number of nucleotides in a DNA sequence that is not divisible by three.
Last Answer : d) insertions or deletions of a number of nucleotides in a DNA sequence that is not divisible by three.
Description : Biological response modifiers like GM-CSF are used in conjunction with anticancer drugs for the following purpose(s): A. To enhance antitumour activity of the drug B. To prevent hypersensitivity reactions to ... . To hasten recovery from drug induced myelosuppression D. Both A' and C' are correct
Last Answer : C. To hasten recovery from drug induced myelosuppressio
Description : The correct statement(s) about the following reaction sequence is (are) Cumene `(C_(9)H_(12))underset((ii)H_(3)O^(+))overset((i)O_(2))rarrPoverset(CHC
Last Answer : The correct statement(s) about the following reaction sequence is (are) Cumene `(C_(9)H_(12) ... violet coloration with 1% aqueous `FeCl_(3)` solution
Description : The correct sequence of phases of cell cycle is (a) G1 → S → G2 → M (b) M → G1 → G2 → S (c) G1 → G2 → S → M (d) S → G1 → G2 → M.
Last Answer : (a) G1 → S → G2 → M
Description : In terms of total CO2 emissions from a country, identity the correct sequence: (A) U.S.A. > China > India > Russia (B) China > U.S.A. > India > Russia (C) China > U.S.A. > Russia > India (D) U.S.A. > China > Russia > India
Last Answer : (B) China > U.S.A. > India > Russia
Description : Match the reactions given in Column I with the statements given in Column II
Last Answer : Match the reactions given in Column I with the statements given in Column II
Description : Transfusions of blood products can be associated with a number of complications including immediate and delayed hemolytic reactions; nonhemolytic reactions; infectious disease transmission; and ... d. Routine impaired calcium supplementation is necessary during most massive transfusion episodes
Last Answer : Answer: a, c Immediate hemolytic reactions are usually caused by blood group ABO incompatibility although they may be caused by antigens of other blood group systems ... when associated with massive transfusion during complex intraoperative procedures such as thoracoabdominal aneurysm resection
Description : Which one of the following statements about cytochrome P450 is wrong? (a) It is a coloured cell. (b) It is an enzyme involved in oxidation reactions. (c) It has an important role in metabolism. (d) It contains iron
Last Answer : (a) It is a coloured cell.
Description : Which of the following statements correctly describes the general reactivity of alkynes? (a) An alkyne is an electron-rich molecule and therefore reacts as a nucleophile. (b) The σ bonds ... fail to undergo electrophilic addition reactions. (d) Alkynes are generally more reactive than alkenes.
Last Answer : Alkynes are generally more reactive than alkenes.
Description : Which one of the following statements about buffers is false? a. They work inside cells. b. They consist of a weak acid and weak base. c. They prevent pH shifts. d. They enhance chemical reactions.
Last Answer : d. They enhance chemical reactions.
Description : Arrange the following statements in a logical sequence and select the right answers by using the code given below. -SST 10th
Last Answer : A - Logical sequence of the above given statements is as follows: D. Some social differences may result in social divisions B. Social divisions of one kind or the other exist in most ... all political expression of social divisions need not be always dangerous Hence, option (a) is correct
Description : All of the following statements about eukaryotic promoters are true except (A) They may be located upstream or down stream from the structural gene (B) They have two consensus sequences ( ... (D) Mutations in promoter region can decrease the efficiency of transcription of the structural gene
Description : Following statements describe the characteristics of the enzyme restriction endonuclease. Identify the incorrect statement. (a) The enzyme recognises a specific palindromic nucleotide sequence in the DNA. (b) ... (d) The enzyme cuts the sugar-phosphate backbone at specific sites on each strand.
Last Answer : (c) The enzyme binds DNA at specific sites and cuts only one of the two strands.
Description : Which one of the following statements concerning the accounting cycle is incorrect? a. The accounting cycle includes journalizing transactions and posting to ledger accounts. b. The accounting cycle includes ... sequence. d. The steps in the accounting cycle are repeated in each accounting period.
Last Answer : b. The accounting cycle includes only one optional step.