Explore topic-wise MCQs in Life Sciences.

This section includes 13 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.

Name the protein which plays an important role in cell division?

A. Actin
B. FtsZ
C. HSP
D. HU
Answer» C. HSP
2.

The exact composition of complex media should be known.

A. True
B. False
Answer» C.
3.

Name the type of bacteria which uses Co2 as a sole source of carbon for growth.

A. Organotrophs
B. Heterotrophs
C. Autotrophs
D. Lithotrophs
Answer» D. Lithotrophs
4.

NAME_THE_PROTEIN_WHICH_PLAYS_AN_IMPORTANT_ROLE_IN_CELL_DIVISION??$

A. Actin
B. FtsZ
C. HSP
D. HU
Answer» C. HSP
5.

Which of these is NOT a selective media?

A. Blood agar
B. Eosin methylene blue agar
C. MacConkey agar
D. Mannitol salt agar
Answer» B. Eosin methylene blue agar
6.

The exact composition of complex media should be known?

A. True
B. False
Answer» C.
7.

Which of the following species falls under the category of hydrogen-producing bacteria?

A. Thiobacillus thiooxidans
B. Nitrosomonas europaea
C. Nitrobacter winogradskyi
D. Alkaligenes eutrophus
Answer» E.
8.

Nitrifying bacteria belongs to the nutritional class of_______

A. Chemoorganoautotrophy
B. Photolithoautrophy
C. Chemolithoautotrophy
D. Photoorganohetrotrophy
Answer» D. Photoorganohetrotrophy
9.

Purple and green non-sulfur bacteria belongs to which of the following classes?

A. Photolithoautotrophy
B. Photoorganohetrotrophy
C. Chemolithoautotrophy
D. Chemoorganohetrotrophy
Answer» C. Chemolithoautotrophy
10.

Which of the following bacteria does not belong to photolithoautotrophy nutritional class?

A. Thiomargarita namibiensis
B. Purple sulfur bacteria
C. Blue-green bacteria
D. Green sulfur bacteria
Answer» B. Purple sulfur bacteria
11.

Name the type of bacteria which uses reduced inorganic substances as an electron source?

A. Autotrophs
B. Chemotrophs
C. Organotrophs
D. Lithotrophs
Answer» E.
12.

Name those bacteria which obtain energy from chemical compounds?

A. Chemotrophs
B. Phototrophs
C. Organotrophs
D. Heterotrophs
Answer» B. Phototrophs
13.

Name the type of bacteria which uses Co2 as a sole source of carbon for growth.

A. Organotrophs
B. Heterotrophs
C. Autotrophs
D. Lithotrophs
Answer» D. Lithotrophs