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Biomolecules (Biology)

NEET (UG) 2021MCQEasy📈 Topic in 38% papers+4−1
Ques. 1NEET (UG) 2021

Identify the incorrect pair

  1. Drugs - Ricin
  2. Alkaloids - Codeine
  3. Toxin - Abrin
  4. Lectins - Concanavalin A

Answer

(1) Drugs - Ricin

Solution

As per NCERT (table of secondary metabolites):

Toxins – Abrin, Ricin

Alkaloids – Morphine, Codeine

Lectins – Concanavalin A

Drugs – Vinblastin, Curcumin

∵ Ricin is a toxin, not a drug, the pair "Drugs - Ricin" is incorrect.

Answer: (1)

Keep practising — Biomolecules (Biology)

Ques. 2NEET (UG) 2021

Following are the statements with reference to 'lipids'. Choose the correct answer from the options given below.

  1. B and E only
  2. A and B only
  3. C and D only
  4. B and C only
Ques. 3NEET (UG) 2020

Identify the substances having glycosidic bond and peptide bond, respectively in their structure

  1. Glycerol, trypsin
  2. Cellulose, lecithin
  3. Inulin, insulin
  4. Chitin, cholesterol
Ques. 4NEET (UG) 2020

Which one of the following is the most abundant protein in the animals?

  1. Collagen
  2. Lectin
  3. Insulin
  4. Haemoglobin
Ques. 5NEET (UG) 2020

Match the following Choose the correct option from the following

  1. (a)-(ii), (b)-(iii), (c)-(i), (d)-(iv)
  2. (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
  3. (a)-(ii), (b)-(iv), (c)-(iii), (d)-(i)
  4. (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
Ques. 6NEET (UG) 2020

Identify the basic amino acid from the following

  1. Valine
  2. Lysine
  3. Tyrosine
  4. Glutamic Acid
Ques. 7NEET (UG) 2019

Concanavalin A is:

  1. a lectin
  2. a pigment
  3. an alkaloid
  4. an essential oil
Ques. 8NEET (UG) 2019

Consider the following statements: Select the correct option

  1. Both A and B are false
  2. A is false but B is true
  3. Both A and B are true
  4. A is true but B is false
Ques. 9NEET 2018

The two functional groups characteristic of sugars are

  1. carbonyl and methyl
  2. carbonyl and hydroxyl
  3. hydroxyl and methyl
  4. carbonyl and phosphate
Ques. 10NEET 2017

Which of the following statements is correct with reference to enzymes?

  1. Holoenzyme = Apoenzyme + Coenzyme
  2. Coenzyme = Apoenzyme + Holoenzyme
  3. Holoenzyme = Coenzyme + Co-factor
  4. Apoenzyme = Holoenzyme + Coenzyme
Ques. 11NEET 2017

Which of the following are not polymeric?

  1. Proteins
  2. Polysaccharides
  3. Lipids
  4. Nucleic acids

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