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Biomolecules · Question 12

NEET (UG) 2021MCQEasy📈 Topic in 25% papers+4−1
1

The RBC deficiency is deficiency disease of :

  1. Vitamin B2
  2. Vitamin B12
  3. Vitamin B6
  4. Vitamin B1

Answer

(2) Vitamin B12

Solution

As per NCERT, deficiency of vitamin B12 causes pernicious anaemia (RBC deficient in haemoglobin).

B1 beri beri; B2 cheilosis; B6 convulsions.

Answer: (2)

Out of syllabusNEET (UG) 2021

Keep practising — Biomolecules

2

Which of the following is a basic amino acid?

  1. Alanine
  2. Tyrosine
  3. Lysine
  4. Serine
NEET (UG) 2020
3

Sucrose on hydrolysis gives :

  1. -D-Glucose + -D-Glucose
  2. -D-Glucose + -D-Fructose
  3. -D-Fructose + -D-Fructose
  4. -D-Glucose + -D-Fructose
NEET (UG) 2020
4

The non-essential amino acid among the following is :

  1. alanine
  2. lysine
  3. valine
  4. leucine
NEET (UG) 2019
5

The difference between amylose and amylopectin is

  1. amylopectin have 1 4 -linkage and 1 6 -linkage
  2. amylose have 1 4 -linkage and 1 6 -linkage
  3. amylopectin have 1 4 -linkage and 1 6 -linkage
  4. amylose is made up of glucose and galactose
NEET 2018
6

Which of the following compounds can form a zwitter ion?

  1. Aniline
  2. Acetanilide
  3. Benzoic acid
  4. Glycine
NEET 2018
7

Which of the following statements is not correct?

  1. Ovalbumin is a simple food reserve in egg-white.
  2. Blood proteins thrombin and fibrinogen are involved in blood clotting.
  3. Denaturation makes the proteins more active.
  4. Insulin maintains sugar level in the blood of a human body.
NEET 2017
8

The correct statement regarding RNA and DNA, respectively is

  1. The sugar component in RNA is arabinose and the sugar component in DNA is ribose
  2. The sugar component in RNA is 2'-deoxyribose and the sugar component in DNA is arabinose
  3. The sugar component in RNA is arabinose and the sugar component in DNA is 2'-deoxyribose
  4. The sugar component in RNA is ribose and the sugar component in DNA is 2'-deoxyribose.
NEET 2016 (Phase 1)
9

In a protein molecule various amino acids are linked together by

  1. peptide bond
  2. dative bond
  3. -glycosidic bond
  4. -glycosidic bond.
NEET 2016 (Phase 1)
10

Which one given below is a non-reducing sugar?

  1. Glucose
  2. Sucrose
  3. Maltose
  4. Lactose
NEET 2016 (Phase 1)
11

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

  1. Amino acids Proteins DNA
  2. DNA Carbohydrates Proteins
  3. DNA RNA Proteins
  4. DNA RNA Carbohydrates
NEET 2016 (Phase 2)

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