TN State Board Samacheer Kalvi Online Test for 11th Std - Chemistry - English - Biomolecules

Question 1 Of 10

Which of the following amino acids is achiral?

Alanine Leucine Proline Glycine

Question 2 Of 10

The central dogma of molecular genetics states that the genetic information flows from (NEET Phase-II)

Amino acids Protein DNA DNA Carbohydrates Proteins DNA RNA Proteins DNA RNA Carbohydrates

Question 3 Of 10

In aqueous solution amino acids mostly exist in,

NH2-CH(R)-COOH NH2-CH(R)-COO- H3N+-CH(R)-COOH H3N+-CH(R)-COO-

Question 4 Of 10

The number of sp2 and sp 3 hybridised carbon in fructose are respectively

1 and 4 4 and 2 5 and 1 1 and 5

Question 5 Of 10

The correct statement regarding RNA and DNA respectively is (NEET Phase – I)

the sugar component in RNA is arabinose and the sugar component in DNA is ribose the sugar component in RNA is 2′- deoxyribose and the sugar component in DNA is arabinose the sugar component in RN A is arabinose and the sugar component in DNA is 2‘- deoxyribose the sugar component in RNA is ribose and the sugar component in DNA is 2 – deoxyribose

Question 6 Of 10

Which of the following statement is incorrect?

Ovalbumin is a simple food reserve in the egg- white Blood proteins thrombin and fibrinogen are involved in blood clotting Denaturation makes the protein more active Insulin maintains the sugar level in the human body.

Question 7 Of 10

Complete hydrolysis of cellulose gives

L-Glucose D-Fructose D-Ribose D-Glucose

Question 8 Of 10

The correct corresponding order of names of four aldoses with configuration given below Respectively is, (NEET Phase I)1551

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

Question 9 Of 10

Glucose is an aldose. Which one of the following reactions is not expected with glucose?

It does not form an oxime It does not form osazones It does not reduce tollens reagent It does not react with the Grignard reagent

Question 10 Of 10

Glucose(HCN) → Product (hydroIysis) → Product (HI + Heat) A, the compoundA is

Heptanoic acid 2-lodohexane Heptane Hep tanol

Tamil Nadu State Board ( Samacheer Kalvi ) Online Test based on Book Back Questions - 11th Standard Chemistry - English Medium - Biomolecules

Samacheer Kalvi 11th Chemistry - Biomolecules - Book Back Questions in English Medium