MDCAT Biology Chapter 3 MCQ Test With Answer for (Biological Molecules)

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MCQ's Test For MDCAT Biology Chapter 3 MCQ's Test

Try The MCQ's Test For MDCAT Biology Chapter 3 MCQ's Test

  • Total Questions20

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MDCAT Biology Chapter 3 MCQ's Test

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Question # 1

Which is not a devastating pathogen?

Question # 2

Ciliates are unicellular organisms with a flexible outer covering called a:

Question # 3

Citric acid is also obtained from some species of:

Question # 4

Smuts are called so

Question # 5

The algal phylum whose members lack motile cells

Question # 6

The fusion of nuclei is called:

Question # 7

Pilli are made up of a special protein called

Question # 8

Staphylococci aureus,Diplicocci pneumoniae etc.,are examples of:

Question # 9

During Gram staining positive bacteria are stained

Question # 10

The organism that obtains carbon and energy from organic matter is

Question # 11

One of the following is the smallest organism

Question # 12

Which is absent in fungi?

Question # 13

True pili are present on:

Question # 14

Cyanobacteria reproduce by

Question # 15

When tuft of flagella is present at each of two poles of bacteria it is called

Question # 16

The cocci arranges in pairs is generally termed as

Question # 17

The lifecycle of bacteriophage, which results the increase of infection is

Question # 18

Spores (teliospores) of Ustilago tritici are carried by:

Question # 19

Black bread mold and splitting fungus belongs to

Question # 20

When flagella surround the whole bacteria cell,the condition is called:

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MCAT Biology Chapter 3 Important MCQ's

Sr.# Question Answer
1 Which fungus is found growing on and spoiling moist bread, fruit:
A. Rhizopus
B. Penicillium
C. Aspergillus
D. Candida
2 The irregular dense area in a bacteria cell formed by a single, circular, double stranded DNA molecule is
A. mesosome
B. plasmid
C. nucleoid
D. cyst
3 Saccharomycese cerevisiae is most common
A. Fungus
B. Mold
C. Yeast
D. Pahtogen
4 An average coccus is about............. micrometer (um) is diameter.
A. 0.1 - 0.5 
B. 1.0 - 2.0
C. 0.5 - 1.0
D. 0.2 - 0.7 
5 Pasteur discovered
A. Fermentation
B. Pasteurization
C. Cause of disease
D. All of these
6 On the basis of energy source, autotrophic bacteria can be divided into:
A. Photosynthetic
B. Chemosynthetic
C. Saprophytic
D. Both a & b
7 Which of teh following statement is correct?
A. All bacteria are autotrophic
B. All bacteria are heterotrophic
C. Al bacteria are photosynthetic
D. Most bacteria are heterotrophic but some are autotrophic
8 Five-kingdom system proposed by Margulis and Schwartz is not based on
A. Genetics
B. Cellular organization
C. Nucleic acid
D. Mode of nutrition
9 Which property enables the hyphae to grow rapidly?
A. Septa
B. Flow of materials
C. Multiple nuclei
D. Chitin
10 The structure present in between capsule and cell membrane of bacteria
A. Slime
B. Flagella
C. Cell wall
D. Basal body

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