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

Bacterial membrane differs from eukaryotic membrane in lacking sterols such as

Question # 2

Bacterial species known to cause disease in humans are approximately:

Question # 3

One of the following cyanobacterium is used as an indicator of pollution

Question # 4

Some members of genus mycoplasma are

Question # 5

Which one first the definition of spores:

Question # 6

Hollow, nonhelical,filamentous appendages in bacteria are:

Question # 7

One of the most unusual protist phyla is that of:

Question # 8

Septate hyphae are

Question # 9

Foraminifeans and actinopods produce:

Question # 10

During Gram staining positive bacteria are stained

Question # 11

Reindeer moss is used as food for reindeers and some other large animals in:

Question # 12

In bacteria the complexes of layer external to the cell protoplasm are called

Question # 13

Which is the sexual process in bacteria?

Question # 14

The feeding stage of slime mold grow upto --------cm:

Question # 15

The rod-shaped bacteria are called

Question # 16

Certain electromagnetic radiations bellows 300 nm are effective in killing of:

Question # 17

Double stranded circular DNA molecule present in bacterial cell in addition to chromosomes are called

Question # 18

Which is used in baking of bread?

Question # 19

They do not have peptidoglycan in their cell wall

Question # 20

Thick walled, enlarge vegetative cells which accumulate food and become resting cells in Nostoc are:

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MCAT Biology Chapter 3 Important MCQ's

Sr.# Question Answer
1 Digestive enzymes are specifically secreted by which part of rhizopus
A. Rhizoids
B. Sporangium
C. Stolon
D. Columnella
2 Which characteristic of the following is not shown dy diatoms:
A. They are usually unicellular
B. The have cilia as locomotory organs
C. Herir pigments are chlorophyll a, Chlorophyll c, Carotenes and Fucoxanthin
D. They cell wall of each diatom consists of two shells
3 Aspergillus, Penicillium and Alternaria reproduce asexually by formation of
A. Buds
B. Conida
C. Zygospores
D. Ascospores
4 Stanley isolated viruses from the host cell of tobacco in:
A. 1946
B. 1892
C. 1935
D. 1835
5 Coenocytic hyphae are also known as:
A. Septate
B. Perforated hyphae
C. Aseptate
D. Imperfect hyphae
6 With the help of flagella, bacteria can detect and move in response to chemical signals which is a behaviour called:
A. chemotherapeutic
B. chemosynthetic
C. chemotaxis
D. both a & b
7 In bacterial 'growth curve' the phase of no growth is
A. Lag phase
B. Log phase
C. Stationary phase
D. Decline phase
8 The cell membrane or cytoplasm membrane is 5-10nm in:
A. Thickness
B. Length
C. Width
D. Diameter
9 The cell wall of fungi contains
A. Cellulose
B. Murein
C. Lignin
D. Chitin
10 Lovastatin is used for lowering blood:
A. Pressure
B. Cholesterol
C. Glucose
D. Uric Acid

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