12th Standard Syllabus & Materials
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TN 12th Standard Biology Zoology - Reproduction in Organisms Creative Questions Study Material - QB365 Set D
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TN 12th Standard Biology Zoology - Reproduction in Organisms Creative Questions Study Material - QB365 Set C
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TN 12th Standard Biology Zoology - Reproduction in Organisms Creative Questions Study Material - QB365 Set B
NEW12th Standard
TN 12th Standard Biology Zoology - Reproduction in Organisms Creative Questions Study Material - QB365 Set A
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TN 12th Standard Physics Electronics and Communication Creative Questions Study Material - QB365 Set D
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TN 12th Standard Physics Electronics and Communication Creative Questions Study Material - QB365 Set C

Published on: 13/05/2022
QB365 provides detailed and simple solution for every Book back Questions in class 12 Chemistry Subject. It will helps to get more idea about question pattern in every book back questions with solution.
latest Book back QuestionsDownload Tamil Nadu 12th Standard Chemistry question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Chemistry Test1.
In aqueous solution of amino acids mostly exists in ______.
NH2-CH(R)-COOH
NH2-CH(R)-COO-
H3N+-CH(R)-COOH
H3N+-CH(R)-COO-
2.
Among the following the achiral amino acid is ______.
2-ethylalanine
2-methylglycine
2-hydroxymethylserine
Tryptophan
3.
The central dogma of molecular genetics states that the genetic information flows from______.
Amino acids Protein DNA
DNA Carbohydrates Proteins
DNA RNA Proteins
DNA RNA Carbohydrates
4.
\(\text { Glucose } \stackrel{(\mathrm{HCN})}{\longrightarrow} \text { Product } \stackrel{(\text { hydrolysis })}{\longrightarrow} \text { Product } \stackrel{(\mathrm{HI}+\text { Heat })}{\longrightarrow} \mathrm{A}\) , the compound A is______.
Heptanoic acid
2-Iodohexane
Heptane
Heptanol
5.
The correct corresponding order of names of four aldoses with configuration given below Respectively is ______.
L-Erythrose, L-Threose, L-Erythrose, D-Threose
D-Threose, D-Erythrose, L-Threose, L-Erythrose,
L-Erythrose, L-Threose, D-Erythrose, D-Threose
D-Erythrose, D-Threose, L-Erythrose, L-Threose
1.
(d)
H3N+-CH(R)-COO-
2.
(c)
2-hydroxymethylserine
3.
(c)
DNA RNA Proteins
4.
(a)
Heptanoic acid
5.
(d)
D-Erythrose, D-Threose, L-Erythrose, L-Threose
12th Standard Syllabus & Materials
12th Standard
TN 12th Standard Physics Electronics and Communication Creative Questions Study Material - QB365 Set B
NEW12th Standard
TN 12th Standard Physics Electronics and Communication Creative Questions Study Material - QB365 Set A
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TN 12th Standard Physics Wave Optics Creative Questions Study Material - QB365 Set D
NEW12th Standard
TN 12th Standard Physics Wave Optics Creative Questions Study Material - QB365 Set C
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