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Biomolecules (Biology)

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

Which of the following are not secondary metabolites in plants?

  1. Rubber, gums
  2. Morphine, codeine
  3. Amino acids, glucose
  4. Vinblastin, curcumin

Answer

(3) Amino acids, glucose

Solution

As per NCERT, secondary metabolites include alkaloids (morphine, codeine), polymeric substances (rubber, gums, cellulose) and drugs (vinblastin, curcumin).

Amino acids and sugars such as glucose have identifiable functions in normal physiological processes ⇒ they are primary metabolites.

Answer: (3)

Keep practising — Biomolecules (Biology)

Ques. 2NEET (UG) 2021

Match List-I with List-II. Choose the correct answer from the options given below.

  1. (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
  2. (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
  3. (a)-(i), (b)-(iv), (c)-(iii), (d)-(ii)
  4. (a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)
Ques. 3NEET (UG) 2021

Identify the incorrect pair

  1. Drugs - Ricin
  2. Alkaloids - Codeine
  3. Toxin - Abrin
  4. Lectins - Concanavalin A
Ques. 4NEET (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. 5NEET (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. 6NEET (UG) 2020

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

  1. Collagen
  2. Lectin
  3. Insulin
  4. Haemoglobin
Ques. 7NEET (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. 8NEET (UG) 2020

Identify the basic amino acid from the following

  1. Valine
  2. Lysine
  3. Tyrosine
  4. Glutamic Acid
Ques. 9NEET (UG) 2019

Concanavalin A is:

  1. a lectin
  2. a pigment
  3. an alkaloid
  4. an essential oil
Ques. 10NEET (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. 11NEET 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

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