Human Health and Diseases - Competency Based & Assertion-Reasoning Questions
Practice questions testing deep understanding of immunity, HIV/AIDS, and cancer.
Biotechnology: Principles and Processes - Competency Based & Assertion-Reasoning Questions
Practice questions testing deep understanding of restriction enzymes, plasmids, and PCR.
Created by Titas Mallick
Biology Teacher • M.Sc. Botany • B.Ed. • CTET (CBSE) • CISCE Examiner
Practice questions testing deep understanding of biocontrol, biofertilizers, and industrial microbes.
Q1. To control mosquito larvae in a pond, a health official adds the bacteria Bacillus thuringiensis (Bt) to the water instead of spraying chemical insecticides. Explain how this bacteria acts as a highly specific biocontrol agent without harming the fish or drinking water.
Q2. Assertion (A): Methanogens are extensively used in rural biogas plants. Reason (R): Methanogens are anaerobic bacteria that break down the cellulose found in cow dung, producing a highly combustible mixture of gases (primarily Methane) which is used as a clean cooking fuel.
/Class-12/Competency-Based-Questions/Unit_3_Chapter_2_Microbes_in_Human_Welfare_CBQ.mdxHuman Health and Diseases - Competency Based & Assertion-Reasoning Questions
Practice questions testing deep understanding of immunity, HIV/AIDS, and cancer.
Biotechnology: Principles and Processes - Competency Based & Assertion-Reasoning Questions
Practice questions testing deep understanding of restriction enzymes, plasmids, and PCR.