🦠 Microbiology Solved MCQs with Answers

Practice 1927 approved 🦠 Microbiology questions with verified answers from the 🧬 Medical Science subject for Pakistan exams.

1927 solved MCQs

The greening of sausage may appear as a green ring not far from the casing, a green core, or a green surface. The cause of greening is the production of hydrogen peroxide byAnswer: Both (a) and (b) Iced, cut up poultry often develops a slime i.e. accompanied by an odor describe as tainted, acid, sour or dishraggy. This defect is chiefly by the species ofAnswer: Pseudomonas Which of the following is recommended for the improvement in flavor during ageing of beef under controlled conditions?Answer: Thamnidium The spoilage of eggs by fungi goes through stages of mold growth that give the defects their names. Very early mold growth is termedAnswer: Pin-spot molding White spot in meat is formed due to presence ofAnswer: Sporotrichum carnis Major energy producing group of a terrestrial ecosystem, is comprised of ______?Answer: Plants Gas is exchanged in the alveoli by the process of _____?Answer: Simple diffusion Examples of decomposers include ______?Answer: Bacteria and fungi Bile is a digestive fluid produced by the liver. Which one of the following store bile?Answer: Gall bladder Nucleus is spherical structure and prominent organelle in the cell. Which one of the following is multinucleated?Answer: Slime mold Cell organelle perform different jobs for the cell. Which one of the following organelle help in protein synthesis and is called factories of food?Answer: Ribosome Which of the following hepatitis types are acute (short-term)?Answer: Hepatitis A and E Cell organelle which is involved in division of animal cells is called ______?Answer: Centrioles Which of the following cells remain alive throughout the life?Answer: Nerve cells The resting phase between any two mitotic divisions is called interphase. Which one of the following is the primary event that occurs during interphase of cell cycle?Answer: Active preparation for cell division Innate immunity had two components first line of defence and second line of defence. Which one of the following is not second line of defence?Answer: Mucus Amoeba and paramecium live in water and are unicellular. They are included into Kingdom ______?Answer: Protista Part of the cell which is involved in cell division is called?Answer: Centrioles The most abundant living organisms in the world are ______?Answer: Bacteria The digested food is mainly absorbed into the blood through capillaries in _____?Answer: Small intestine Which of the following is an example of runners?Answer: Strawberries Which one of the following is not a bacterial disease?Answer: Hepatitis The types of nucleotides present in a DNA molecule are ______?Answer: Four The ureter is a tube that carries urine to the _______?Answer: Urinary bladder Which of the following is the type of Muscle?Answer: Tissue Enzymes are special types of ______ produced by the body.Answer: Proteins The enzyme present in pancreatic juice is trypsinogen (inactive enzyme). The inactive trypiogen is converted into active trypsin by the _______ enzyme.Answer: Duodenal The secretion of which one of the following gland neutralize the acidity i the male reproductive system of rabbit?Answer: Cowper Gland Following are parts of an animal cell except?Answer: Cell wall All of the following are present in plant cells except?Answer: Centrioles