Biomolecules MCQ

Test your knowledge with important Biomolecules MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Biomolecules MCQs at Bissoy

• Estradiol is the main sex hormone in females.
  ক

  True

  খ

  False
• All hormones are proteins.
  ক

  True

  খ

  False
• Lack of which hormone causes Addison’s disease?
  ক

  Glucocorticoids

  খ

  Oxytocin

  গ

  Insulin

  ঘ

  Norepinephrine
• Which hormone controls the balance of water and minerals in the body?
  ক

  Vasopressin

  খ

  Mineralocorticoids

  গ

  Testosterone

  ঘ

  Thyroxine
• Which of the following does not release steroid hormones?
  ক

  Testes

  খ

  Ovary

  গ

  Adrenal cortex

  ঘ

  Pancreas
• Lack of which component in diet causes hypothyroidism?
  ক

  Potassium

  খ

  Vitamin C

  গ

  Iodine

  ঘ

  Water
• The condition goitre is associated with which hormone?
  ক

  Insulin

  খ

  Thyroxine

  গ

  Adrenaline

  ঘ

  Cortisone
• Which hormone plays an important role during child birth and post it?
  ক

  Estrogen

  খ

  Progesterone

  গ

  Cortisone

  ঘ

  Oxytocin
• Which of the following is known as fight or flight hormone?
  ক

  Epinephrine

  খ

  Norepinephrine

  গ

  Insulin

  ঘ

  Thyroxine
• Identify the hormone that increases the glucose level in blood.
  ক

  Insulin

  খ

  Glucagon

  গ

  Oxytocin

  ঘ

  Vasopressin
• Which of the following is not an amine hormone?
  ক

  Norepinephrine

  খ

  Adrenaline

  গ

  Thyroxine

  ঘ

  Oxytocin
• Hormones are ______
  ক

  messengers

  খ

  catalysts

  গ

  enzymes

  ঘ

  inhibitors
• Which of the following hormone is a polypeptide?
  ক

  Estrogen

  খ

  Insulin

  গ

  Androgen

  ঘ

  Epinephrine
• Two DNA samples A and B have melting temperatures 305K and 320K respectively. Identify the correct statement based on this information.
  ক

  A and B are complementary strands

  খ

  B has more CG pairs than A

  গ

  A has more CG pairs than B

  ঘ

  A has more hydrogen bonds than B
• Identify the complementary strand of the DNA primary structure ATGCCGATC.
  ক

  AUGCCGAUC

  খ

  TACGGCTAG

  গ

  UACGGCUAG

  ঘ

  GATCGGCAT
• Which part of the nucleotide is responsible for the formation of bonds in DNA double helix?
  ক

  Base

  খ

  Sugar

  গ

  Phosphate group

  ঘ

  Hydroxyl group of sugar
• The attachment between the base and sugar in a nucleotide is through ______ bond.
  ক

  hydrogen

  খ

  peptide

  গ

  phosphodiester

  ঘ

  glycosidic
• Which of the following best describes cytosine?
  ক

  pyrimidine, present in RNA and DNA

  খ

  pyrimidine, present only in DNA

  গ

  purine, present only in RNA

  ঘ

  purine, present in RNA and DNA
• Nucleotides are linked together by bonds between 5’ and 2’ carbons of two different pentose sugars.
  ক

  True

  খ

  False
• The structure shown is that of a _______
  ক

  DNA nucleoside

  খ

  RNA nucleoside

  গ

  DNA nucleotide

  ঘ

  RNA nucleotide
• Which sugar is present in RNA?
  ক

  β-D-ribose

  খ

  β-D-fructose

  গ

  β-D-galactose

  ঘ

  β-D-2-deoxyribose
• Which of the following bases contain two keto groups?
  ক

  Adenine

  খ

  Guanine

  গ

  Thymine

  ঘ

  Cytosine
• Which of the following bases is not present in DNA?
  ক

  Adenine

  খ

  Guanine

  গ

  Thymine

  ঘ

  Uracil
• DNA is a polynucleotide.
  ক

  True

  খ

  False
• The following compound is a component of which of the following?
  ক

  RNA

  খ

  DNA

  গ

  Adenine

  ঘ

  Guanine
• RNA on hydrolysis does not yield which of the following?
  ক

  Amino acid

  খ

  Pentose sugar

  গ

  Nitrogen base

  ঘ

  Phosphoric acid
• Deficiency of riboflavin causes beri beri.
  ক

  True

  খ

  False
• Deficiency of vitamin K increases the blood clotting time.
  ক

  True

  খ

  False
• Which vitamin can be obtained from sunlight?
  ক

  A

  খ

  H

  গ

  D

  ঘ

  E
• The class of compounds showing vitamin E activity are called _______
  ক

  phytomenadiones

  খ

  tocopherols

  গ

  ergocalciferols

  ঘ

  pyridoxines