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

  • Time Allowed20

MDCAT Biology Chapter 3 MCQ's Test

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Question # 1

Englenolds have at various times been classified in the:

Question # 2

Bacterial species known to cause disease in humans are approximately:

Question # 3

The smallest bacteria are approximately the size of the largest viruses i.e.,

Question # 4

All of the followings are methods of asexual reproducing in fungi except

Question # 5

Which filtrate from a lysed colony can transfer lytic effect to healthy colony

Question # 6

According to Whittaker system of classification the prokaryotic unicellular organisms belong to the kingdom:

Question # 7

15-50% of world's fruit is lost each year due to:

Question # 8

In endomycorrhizae, the fungal hyphae penetrate the outer cell of the plant root, forming:

Question # 9

Amoebas move by forming specialized cytoplasmic projections called:

Question # 10

Bacteria which are able to grow in the presence of oxygen, are called:

Question # 11

Fucoxanthin pigment is present in:

Question # 12

Which of the following reasons seems to be most reasonable for not placing protists in other kingdoms" 

Question # 13

Shell of which one of the following is composed of interlocking cellulose plates

Question # 14

Which protozoan resembles the form which the animals evolved:

Question # 15

Fungi can tolerate pH

Question # 16

Slime provides greater pathogenicity to bacteria and protects them against:

Question # 17

Chemical substances used on living tissues that inhibit growth of microorganisms are called

Question # 18

Phytophthora cause which of the following diseases in potato:

Question # 19

Bacteria that are fully dependent upon their host for their nutrition are termed

Question # 20

Algae which are known to have occasional population explosion or blooms are:

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MCAT Biology Chapter 3 Important MCQ's

Sr.# Question Answer
1 Mycellium refers to
A. Fungal body
B. Coenocytic hyphae
C. Septate hyphae
D. Haloid nuclei
2 In which bacteria flagella ate surrounding the whole bacterial cell
A. Atrichous
B. Amphitrichous
C. Peritrichous
D. Lophotrichous
3 Which fungus is found growing on and spoiling moist bread, fruit:
A. Rhizopus
B. Penicillium
C. Aspergillus
D. Candida
4 Metabolically dormant bodies produced at a later stage of bacterial cell growth that germinate under favourable conditions to form vegetative cells are called
A. Condia
B. Spores
C. Gemmules
D. Cysts
5 An average coccus is about .......micrometer (um) in Diameter.
A. 0.1 _ 0.5
B. 1.0 _ 2.0
C. 0.5 _ 1.0
D. 0.2 _ 0.7
6 Rabies is due to
A. Fungi
B. Bacteria
C. Protozoan
D. Virus
7 About 95% of all kinds of vascular plants form mycorrhizal associations with:
A. Algae
B. Protozoa
C. Fungi
D. Mosses
8 Desmids have cells with:
A. Two halves
B. Single unit
C. Three pieces
D. Four fragments
9 ...... can induce auditory nerve thus causing deafness.
A. Tetracyclin
B. Chloramphenicol
C. Streptomycin
D. Neomycin
10 Pilli are only present on
A. Gram negative bacteria
B. Gram positive bacteria
C. On both of bacteria
D. None of these

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