Ecology and Environment

Ecology and Environment

10 Questions Published

Questions

Question 1 Multiple Choice (Single Answer)

Which of the following is NOT a hormone?

  1. Calcitonin
  2. Melatonin
  3. Myosin
  4. Vasopressin
  5. Thyroxine
Question 2 Multiple Choice (Single Answer)

Which of the following statements is FALSE?

  1. Carcinoma refers to benign tumours of the connective tissue.
  2. Common cold is not cured by antibiotics because it is a viral disease.
  3. Alzheimer disease in humans is associated with the deficiency of acetylcholine.
  4. Cirrhosis of liver is caused by the chronic intake of alcohol.
  5. Parkinson’s disease is caused due to degeneration of dopamine releasing neurons.
Question 3 Multiple Choice (Single Answer)

Eutrophication refers to ________.

  1. increase in concentration of the toxicant at successive trophic levels
  2. natural aging of a lake by biological enrichment of its water
  3. shift in ocean temperatures and atmospheric conditions in the tropical Pacific that disrupts weather around the world
  4. presence of large amounts of nutrients in waters also causes excessive growth of planktonic (free-floating) algae
  5. process by which thermal radiation from a planetary surface is absorbed by atmospheric greenhouse gases, and re-radiated in all directions
Question 4 Multiple Choice (Single Answer)

The Interspecific interactions where one species is benefitted and the other is neither benefitted nor harmed is called ________.

  1. mutualism
  2. parasitism
  3. commensalism
  4. amensalism
  5. predation
Question 5 Multiple Choice (Single Answer)

Which of the following pairs is mismatched?

  1. Urethra: Narrow tubes that take urine from the kidneys to the urinary bladder
  2. Nephron: Structural and functional unit of the kidney
  3. Bowman’s Capsule: A cup-like sac that surrounds the glomerulus at the beginning of the nephron
  4. Loop of Henle: A U-shaped tubular structure that extends into the medulla of a nephron
  5. Renal cortex: Outer portion of the kidney between the renal capsule and the renal medulla
Question 6 Multiple Choice (Single Answer)

Which of the following terms were coined by Wilhelm Johansen?

  1. Gene, Allele, Genetics
  2. Gene, Genotype, Phenotype
  3. Factor, Genotyepe, Phenotype
  4. Allele, Genotype, Genetics
  5. Â Phenotype, factor, Allele
Question 7 Multiple Choice (Single Answer)

Which of the following is the mismatched pair?

  1. Father of Genetic Engineering – T.H. Morgan
  2. Father of Microbiology – Louis Pasteur
  3. Father of Cytology – Robert Hooke
  4. Father of Biochemistry – Liebig
  5. Father of Bacteriology – Robert Koch
Question 8 Multiple Choice (Single Answer)

Which of the following is the correct statement?

  1. All arteries carry oxygenated blood.
  2. An adult human has systolic and diastolic pressures as 80 mm Hg and 120 mm Hg respectively.
  3. Bundle of His is a network of muscle fibres distributed throughout the heart walls.
  4. Cardiac output is defined as the amount of blood pumped by both ventricles per second.
  5. Average cardiac output is 5.3 litre per minute.
Question 9 Multiple Choice (Single Answer)

Which of the following structures is not correctly defined?

  1. Larynx: the area at the top of the throat that contains the vocal cords and produces vocal sounds
  2. Pharynx: the region of the digestive tract between the mouth and the oesophagus that serves as a passageway for food and air
  3. Trachea: the tube that extends from the larynx to the bronchi and carries air to the lungs
  4. Epiglottis: the opening between the vocal cords in the larynx
  5. Pleura: the serous membrane that encloses the external surface of the lungs
Question 10 Multiple Choice (Single Answer)

Which of the following is not correctly matched?

  1. Atherosclerosis: Hardening of the arteries due to deposition of cholesterol
  2. Murmur disorder: A disorder of heart valves.
  3. Sickle cell anaemia: Blood has a defective haemoglobin
  4. Coronary heart disease: Due to insufficient blood supply to the heart muscles
  5. Christmas disease: Haemophilia A