Ester linkages occur in
  • Interaction with the environment and progressive evolution
  • Reproduction
  • Growth and movement
  • Responsiveness to touch
Lactose is made of
  • Proteins
  • Lipids
  • Nucleic acids
  • Carbohydrates
Arachidonic acid is
  • Glucose + Fructose
  • Fructose + Fructose
  • Glucose + Glucose
  • Glucose + Galactose
When we homogenise any tissue in an acid, the acid-soluble pool represents
  • Essential fatty acid
  • Non-essential fatty acid
  • Polyunsaturated fatty acid
  • Both 1 and 3 above
Which of the following carbohydrates is not a disaccharide?
  • Mitochondria
  • Nucleus
  • Cell membrane
  • Cytoplasm
An element not of much importance to plants is
  • Lactose
  • Maltose
  • Sucrose
  • Galactose
A sedoheptulose molecule has _____carbon atoms.
  • Na
  • Ca
  • Zn
  • Cu
The most common monomer of carbohydrates is
  • 3
  • 7
  • 4
  • 6
The most abundant mineral of the animal body is
  • Sucrose
  • Fructose
  • Maltose
  • Glucose
Which one of the following pairs of nitrogenous bases of nucleic acids is wrongly matched with the category mentioned against it?
  • Potassium
  • Sodium
  • Calcium
  • Iron
Fehling’s solution is used for the detection of
  • Adenine, Thymine - Purines
  • Uracil, Cytosine - Pyrimidines
  • Guanine, Adenine - Purines
  • Thymine, Uracil - Pyrimidines
Adenine is
  • Fats
  • Starch
  • Glucose
  • All carbohydrates
Consider the following statements:Chitin is a fatty acid polymer.Starch is a glucose polymer.Sucrose is a monosaccharide.Maltose is a polymer of glucose.
  • Nucleoside
  • Purine
  • Pyrimidine
  • Nucleotide
Which is a reducing sugar?
  • 1 and 4 are correct.
  • 1, 2 and 3 are correct.
  • 2 and 4 are correct. correct
  • 1 and 2 are correct.
A nucleoside differs from a nucleotide in not having a
  • Cellulose
  • Maltose
  • Starch
  • Sucrose
Maximum iron occurs in
  • Phosphate group
  • Glucose
  • Sugar
  • Nitrogen base
Nitrogen is a component of
  • WBC
  • Bone cells
  • Protein
  • RBC
Match the following and choose the correct combination from the options given: Column I Column II (Organic compound) (Example) (A) Fatty acid Glutamic acid (B) Phospholipid Tryptophan (C) Aromatic amino acid Lecithin (D) Acidic amino acid Palmitic acid
  • Carbohydrates
  • Lipids
  • Proteins
  • Polyphosphates
Amino acids, as the name suggests, have both an amino group and a carboxyl group in their structure. In addition, all naturally occurring amino acids (those which are found in proteins) are called L-amino acids. From this, can you guess from which compound the simplest amino acid is made?
  • A-4; B-3; C-1; D-2
  • A-3; B-4; C-1; D-2
  • A-4; B-3; C-2; D-1
  • A-2; B-3; C-4; D-1
  • A-1; B-2; C-3; D-4
An immediate source of cellular energy is
  • Formic acid
  • Phenol
  • Methane
  • Glycine
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