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Biomolecules (B) — NEET UG Biology PYQs

45 previous year questions from Biomolecules (B) with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

Biomolecules (B) — NEET UG Biology PYQs

A disaccharide is formed when two monosaccharides react by ________ reaction.

Match the types of biomolecules given in Column I with their examples given in Column II. Column- I Column- II A) Simple lipid I) Oleic acid B) Derived lipid II) Palmitic acid C) U

Match the types of biomolecules given in Column I with their types or characters given in Column II. Column- I Column- II A) Amylose I) Disaccharide B) Fructose II) Simple lipid C)

A basic protein contains more basic amino acids such as ______.

Enzymes generally get destroyed at temperature of _______ ^ C .

Various properties of water are due to ____________ between water molecules.

Given below are the two statements. Statements - I: According to international code of enzyme nomenclature, the first part in the name of an enzyme indicates the nature of substrat

Glucose is phosphorylated to Glucose-6-Phosphate by the enzyme Glucokinase using a molecule of ATP. To which category of enzymes does the Glucokinase belong?

Water acts as thermal buffer due to

Which one of the following is the activator for enzyme Pyruvate Kinase?

Glucosinolates protect _________ plant from pest attack.

Glycogen stored in animal body is converted into glucose through _________ .

A protein consisting of more basic amino acids such as ----------exists as a cation at the physiological pH of 7.4. Such proteins are called basic proteins.

Which of the following statements is INCORRECT about the enzyme-substrate complex?

Which fatty acids do not contain double bond between carbon atoms?

An enzyme catalyzes a reaction at a high rate at 37^ C but becomes inactive at 60^ C. This is because

Which of following group includes reducing sugars?

All of the following are conjugated proteins EXCEPT

The organic compounds that are tightly attached to the protein part of an enzyme to make them catalatically active are called -------------------.

Complete the following equation : ADP + ip + ? K cal ATP

Friedrich Miescher isolated nucleic acid from ________ .

Which amino acids are synthesized from intermediates of Krebs cycle like alpha-ketoglutarate and oxaloacetate?

Match List I with List II List I (Enzyme) List II (Reaction catalyzed) (A). Alcohol dehydrogenase (I). Transfer of certain groups between two molecules (B). Sucrase (II). Oxidation

Which enzyme in the midgut of insect is instrumental in the release of core toxic fragments from bacterial spores ingested by it?

The scientists who earned Nobel Prize in chemistry in 1989 for the discovery of Ribozymes are ---------.

Match List I with List II List I (Secondary metabolites) List II (Economic importance) (A). Terpene cannabinol (I). protects cabbage from pests (B). Glucosinolates (II). pain relie

Lecithin is a phospholipid made up of the following ____. (A). glycerol (B). fatty acids (C). phosphate group (D). nitrogen compound Choose the correct answer from the options give

The pure form of water is NOT ____.

In large proteins such as myoglobin and enzymes, peptide chains are much looped, twisted and folded back on themselves to form a tertiary structure. Which bonds are involved in the

Which of the following statements are correct about phospholipids? They have.... (A). hydrophilic polar groups (B). hydrophobic non-polar groups (C). hydrophilic non-polar groups (

Characteristic flavours and aroma of cabbage are caused due to ----------- which protects these plants from pests.

In organisms living in hot water springs, the ambient temperature ___.

Match List I with List II List I (Types of monosaccharides) List II (Examples) (A). Triose (I). Erythrose (B). Tetrose (II). Glucose (C). Pentose (III). Glyceraldehyde (D). Hexose

Which one of the following statements is INCORRECT based on the above graph showing the rate of enzyme action?

Glycogen is stored in animal's body in -------- and -------.

Study the following type of secondary metabolite and select the correct option. i) Terpenes: Made from mevalonic acid that is composed mainly of carbon and hydrogen. ii) Phenolics:

Match Column I with Column II Column I (Scientist) Column II (Discoveries) (A) Edward Buchner (I). Lock and Key hypothesis (B) Emil Fischner (II). Induced Fit theory (C) Koshland (

The example of unsaturated fatty acid which is found in many seed oils is

Which chemical element is found in high amounts in nuclein?

Identify the INCORRECT statement with respect to enzymatic activity.

Which of the following statements is incorrect about enzyme substrate complex ?

Identify the enzyme that is NOT an isomerase type.

Which one of the following is a heteropolysaccharide?

A wide variety of chemical substances extracted from plants on a commercial scale are known as

_________ to _________ ratio is greater than 2:1 in lipids.

_ to _ ratio is greater than 2:1 in lipids.