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12th Standard English Medium Chemistry Subject Biomolecules Book Back 1 Mark Questions with Solution Part - I

Published on: 01/06/2021

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.

Download 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.

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Std: 12th Standard - Chemistry

chapter: - Book back Questions

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Questions:

Multiple Choice Question

5 x 1 = 5

In aqueous solution of amino acids mostly exists in ______.

(a)

NH₂-CH(R)-COOH

(b)

NH₂-CH(R)-COO^-

(c)

H₃N⁺-CH(R)-COOH

(d)

H₃N⁺-CH(R)-COO^-

Among the following the achiral amino acid is ______.

(a)

2-ethylalanine

(b)

2-methylglycine

(c)

2-hydroxymethylserine

(d)

Tryptophan

The central dogma of molecular genetics states that the genetic information flows from______.

(a)

Amino acids Protein DNA

(b)

DNA Carbohydrates Proteins

(c)

DNA RNA Proteins

(d)

DNA RNA Carbohydrates

\(\text { Glucose } \stackrel{(\mathrm{HCN})}{\longrightarrow} \text { Product } \stackrel{(\text { hydrolysis })}{\longrightarrow} \text { Product } \stackrel{(\mathrm{HI}+\text { Heat })}{\longrightarrow} \mathrm{A}\) , the compound A is______.

(a)

Heptanoic acid

(b)

2-Iodohexane

(c)

Heptane

(d)

Heptanol

The correct corresponding order of names of four aldoses with configuration given below Respectively is ______.

(a)

L-Erythrose, L-Threose, L-Erythrose, D-Threose

(b)