Microbiology MCQ (Quiz-3)  

Bacteria and Gram Staining

Multiple choice questions with answer key

S. Y. B. PHARM Sem - III  (UNIT - 2)  

AS PER PCI SYLLABUS






1. The bacterial pili mainly contain
      A) Minerals


... Answer is : B) Proteins


2. Role of bacteria in carbon cycle is




... Answer is : A) Breakdown of organic compounds

3.Somatic cell of the adult body are haploid in many except





... Answer is : D) Fungi

4. The enzyme needed in biological systems for joining two molecules is called




... Answer is : A) Polymerases


5. All prokaryotes are surrounded by a cell wall except




... Answer is : C) Mycoplasms

6. Cows can digest straw because they contain .




... Answer is : C) Cellulose hydrolyzing microorganisms

7.The nucleus controls protein synthesis in the cytoplasm by sending




... Answer is : D) m RNA molecule

8. The wonder drug of second world war is produced by





... Answer is : C) Fungi


9. Centromere is that part of chromosome where





... Answer is : B) Chromatids are attached

10. Congential diseases are




... Answer is : C) Diseases present at birth

11. Meosomes are the part of




... Answer is : C) Plasma membrane


12. Enzyme hydrolyzing bacterial cell wall




... Answer is : B) Lysozyme

13.The site of energy production in a cell




... Answer is : A) Mitochondria


14. Which one of the following bacteria has found extensive use in genetic engineering work in plants?




... Answer is : B) Agrobacterium tumefaciens

15.Bacterial ribosomes are composed of




... Answer is : D) Protein and rRNA


16. Bioleaching is done by




... Answer is : D) Bacteria

17.Inclusion bodies diagnostic of rabies are called




... Answer is : A) Negri bodies


18. Thylakoid is present in




... Answer is : C) Chloroplast

19. Maximum application of animal cell culture technology today is in the production of




... Answer is : A) Vaccines


20. The poto-respiration involves




... Answer is : C) Glycolate cycle