MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Life Sciences knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following organisms have thick peptidoglycan in their cell wall? |
| A. | Gram-negative bacteria |
| B. | Gram-positive bacteria |
| C. | Yeast |
| D. | Molds |
| Answer» C. Yeast | |
| 2. |
WHICH_OF_THE_FOLLOWING_ORGANISMS_HAVE_THICK_PEPTIDOGLYCAN_IN_THEIR_CELL_WALL??$ |
| A. | Gram-negative bacteria |
| B. | Gram-positive bacteria |
| C. | Yeast |
| D. | Molds |
| Answer» C. Yeast | |
| 3. |
Name the acid present in the cell wall of bacteria which helps in retaining its color during the acid-fast test? |
| A. | Mycolic acid |
| B. | Teichoic acid |
| C. | Malic acid |
| D. | Tartaric acid |
| Answer» B. Teichoic acid | |
| 4. |
Gram staining is specialized staining. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
Which of the following bacteria is pleomorphic? |
| A. | Mycobacteria |
| B. | Streptococcus |
| C. | Pseudomonas |
| D. | Corynebacterium |
| Answer» E. | |
| 6. |
What is sarcinae? |
| A. | Cocci group of bacteria |
| B. | Chainlike group of bacteria |
| C. | Cubelike group of bacteria |
| D. | Grapelike cluster of bacteria |
| Answer» D. Grapelike cluster of bacteria | |
| 7. |
Which of the following is NOT the basic shape of the bacteria? |
| A. | Rod shape |
| B. | Square shape |
| C. | Comma shape |
| D. | Spiral shape |
| Answer» C. Comma shape | |
| 8. |
The largest bacteria which can be visible by unaided eye is_______ |
| A. | Thiomargarita namibiensis |
| B. | Lactobacillus |
| C. | Mycoplasma |
| D. | Pseudomonas |
| Answer» B. Lactobacillus | |
| 9. |
Name the scientist who proposed the phylogenetic tree for living things. |
| A. | Carlo Urbani |
| B. | Louis Pasteur |
| C. | Robert Koch |
| D. | Carl Woese |
| Answer» E. | |
| 10. |
Which of the following gene deduced the evolutionary relationship between the taxonomic groups? |
| A. | 16S rRNA |
| B. | 23S rRNA |
| C. | 5S rRNA |
| D. | 18S rRNA |
| Answer» B. 23S rRNA | |
| 11. |
Mark the common feature between eukaryotes and prokaryotes. |
| A. | Shape of DNA |
| B. | Number of chromosomes |
| C. | A prokaryotic cell is similar to a eukaryotic organelle |
| D. | Cell wall |
| Answer» D. Cell wall | |