Microbiology
Description: Microbiology Microbial Diversity and Characteristic Features; VirusesMicrobial MetabolismProkaryotic and Eukaryotic Cell StructureMicrobiologyMicrobial Genetics Nitrogen fixation | |
Number of Questions: 18 | |
Created by: Sundari Chatterjee | |
Tags: Microbiology Microbial Diversity and Characteristic Features; Viruses Microbial Metabolism Prokaryotic and Eukaryotic Cell Structure Microbial Genetics Nitrogen fixation |
Which of the following is an example of hyperthermophilic bacteria?
Which of the following genera of mollicutes does not exhibit fermentation metabolism?
Which of the following statements are TRUE regarding prokaryotic cell? P. Prokaryotic cells are larger in size than eukaryotic cells. Q. Lysosomes are present. R. Site for oxidative phosphorylation is cell membrane. S. Ribosomal subunits are 50S and 30S.
Which of the following pairs of bacteria shows negative Voges-Proskauer test?
Which of the following antibiotics acts by inhibiting the cell wall synthesis?
Which of the following is a nitrogen-fixing bacteria living in a symbiotic relationship with legumes?
Single stranded DNA is found in
- Coliphage fd
- T2 coliphage
- S-13 coliphage
Which of the following is a pair of barophilic bacteria?
Which of the following statements are FALSE regarding fungi?
- Food materials are stored in the form of starch.
- The cell wall is made up of chitin.
- Fungi are always autotrophs.
- Thallus is made up of pseudo parenchyma.
Which of the following is only a set of neutrophiles?
Which of the following statements are TRUE? P. The site for detoxification reaction in liver is SER. Q. The principal protein of cilia and flagella is tubulin. R. Centrosome is responsible for initiation of cell division. S. Acrosomes are produced by nucleolus.
Match the entries in column I (Cell organelle) and column II (Discoverer)
Column - I | |
Column - II | |
P. Ribosome | 1. Fontana |
Q. Lysosome | 2. Duve |
R. Centrosome | 3. Palade |
S. Nucleolus | 4. Boveri |
Match the entries in List I (Cell organelle) and List II (Discoverer)
List - I | |
List - II | |
P. Chondriosomes | 1. R. Altman |
Q. Centrosome | 2. Edouard Van Beneden |
R. Microtubules | 3. De Robertis and Franchi |
S. Vacuoles | 4. Antony van Leeuwenhoek |
Which of the following plant diseases are caused by fungus? P. Ergot of Rye Q. Powdery mildew of cucurbits R. Crown gall of hemp S. Black rot of crucifers
Which of the following statements is/are FALSE regarding mitochondria?
- Mitochondria are a cell organelle which has electrons transport system.
- Synthesis of ATP in mitochondria takes place at the cristae.
- The enzymes for Kreb’s cycle in mitochondria are located in perimitochondrial space.
Which of the following is a set of single membrane bounded organelles?
Match the column – I (Disease) with column – II (Causative agent)
Column – I | |
Column – II | |
A. Red rot disease of sugarcane | 1. Ustilago hordei |
B. Covered smut of barley | 2. Colletotrichum falcatum |
C. Wheat leaf rust | 3. Puccinia triticina |
D. Coffee leaf rust | 4. Hemileia vastatrix |
Assertion (A): Chloroplasts have their own DNA as genetic material. Reason (R): Chloroplasts synthesise their own fatty acids, amino acids, and lipid components.
Directions: In the following question there are two statements, Assertion (A) and Reason (R), consider both the statements independently and mark your answers as under:
1. If A and R both are correct and R is correct explanation of A.
2. If A and R both are correct and R is not correct explanation of A.
3. If A is correct and R is incorrect.
4. If A is incorrect and R is correct.
5. If A and R both are incorrect.