Category: Microbiology Mcqs

Microbiology Mcqs for NTS, PPSC, FPSC, SPSC, KPPSC, AJKPSC, PMS, NAT, PTS, Educators, Lecturer and all other exams. Here users will find all the Mcqs related to Microbiology. Here users will find mcqs related to study of life and living organisms, living things in an ecosystem, study and structure of organs, study of cells, organisms interaction and their environment, , study of heredity, study of biological molecules, study of DNA and proteins, study of fossils and all microbiology mcqs will be available here.

__has the ability induce a malignant tumor.

(A) Toxic
(B) Carcinogenic
(C) Corrosive
(D) Ignitable

►Correct Option

Toxoid injection to protect future tetanus infection is an example of:

(A) Natural passive immunity
(B) Artificial active immunity
(C) Natural active immunity
(D) Artificial passive immunity

►Correct Option

The Petroff-Hausser chamber is used for __.

(A) Incubation of culture medium
(B) Direct microscopic count
(C) Viable count
(D) To grow anaerobic bacteria

►Correct Option

In a host, virus-infected host cells are killed by:

(A) Activated cytotoxic T lymphocytes
(B) Activated B lymphocytes
(C) Activated T helper cells
(D) Monoclonal antibodies

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Which one of the following properties is NOT required for vaccine?

(A) Should protect against natural exposure
(B) Should be cheaper.
(C) Should have relatively longer shelf life.
(D) Should be less immunogenic

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Which of the following statements regarding clonal selection theory is INCORRECR?

(A) Specificity for Ag of T cells produced is identical to the specificity of the TCR on initial T cell.
(B) The body is equipped with billions of lymphocytes. Each is devoted to respond to one specific epitope.
(C) An epitope triggers the production of a number of lymphocytes, each with different receptors.
(D) Antigen binding to a TCR triggers proliferation and differentiation of T cells into effector cells.

►Correct Option