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

Each chapter has its significance, and the candidates must focus on all the chapters. The students looking for the MCQs of Chapter 3 of Biology can get them from this portal. The online test is available for the students that help them take the mock test and analyze their preparation.

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

00:00
Question # 1

During 1st step of reverse transcription which is used as template?

Question # 2

The bacterial cell wall is composed of

Question # 3

Ivanowski ibtained _________ filtrate from ground up infected plants

Question # 4

Which protozoan resembles the form which the animals evolved:

Question # 5

In ascomycetes asci develop inside macroscopic fruiting bodies, the

Question # 6

Gametangia of the fungus are

Question # 7

Which of the following is red pigment:

Question # 8

The plasma membrane and everything present within is known as:

Question # 9

Bacteria can't pass through these filters

Question # 10

Which characteristic of the following is not shown dy diatoms:

Question # 11

In cyanobacteria, photosynthetic pigments and electron transport chain components are located in thylakoid membranes linked with particles called:

Question # 12

Which can be sterilized by membrane filters

Question # 13

Spirochete bacterium is

Question # 14

Photosynthetic bacteria posses

Question # 15

Photosynthetic protists, carrying out probably 50 to 60 percent of all the photosynthesis on earth are.

Question # 16

Amoeba moves with the help of:

Question # 17

The plant body in a unicellular fungus

Question # 18

In paramecium, the surface of the cell is covered with several thousand fine, short, hair like structure called:

Question # 19

Gram negative bacteria differ form gram positive bacteria in that their their cell wall is:

Question # 20

Which of the following is pathogenic fungi:

Prepare Complete Set Wise MDCAT Biology Chapter 3 MCQ's Test MCQs Online With Answers


It is a matter of fact that the candidates have to do thorough preparation and maximum hard work to score well in the MDCAT. The students should solve all the MCQs available on this platform. The portion of each chapter varies, so make sure to focus on all the topics in the syllabus. Besides this, by solving the MCQs, the students will be able to prepare for the test in a better way. For further updates about the MDCAT biology MCQs, contact us.

Top Scorers Of MDCAT Biology Chapter 3 MCQ's Test MCQ`s Test

  • S
    Saim G 04 - Aug - 2025 04 Min 46 Sec 20/20
  • A
    abdul hanan 31 - Aug - 2025 10 Min 51 Sec 18/20
  • A
    Ahmad Ali Hamza 13 - Jan - 2025 02 Min 21 Sec 17/20
  • M
    Muhammad Nafees 15 - Sep - 2025 03 Min 53 Sec 17/20
  • A
    Abdul Salam 16 - Jan - 2025 04 Min 17 Sec 17/20
  • V
    vishal 20 - Jan - 2025 04 Min 27 Sec 17/20
  • B
    Burhan Idrees 24 - Aug - 2025 04 Min 46 Sec 17/20
  • H
    hoor bukhari 28 - Sep - 2025 54 Min 24 Sec 17/20
  • M
    MADIHA ZUBAIR 14 - Oct - 2025 02 Min 30 Sec 16/20
  • M
    M Nawaz Sajjid 15 - Sep - 2025 03 Min 52 Sec 15/20
  • S
    Sajid Zaib 17 - Jan - 2025 04 Min 32 Sec 14/20
  • M
    M Waleed 11 - Sep - 2025 05 Min 32 Sec 14/20
  • M
    Muhammad Nazir 20 - Jan - 2025 05 Min 57 Sec 14/20
  • I
    Its Rai 02 - Sep - 2025 09 Min 34 Sec 14/20
  • M
    Muhammad Hassan 29 - Aug - 2025 13 Min 09 Sec 14/20
Sr.# Question Answer
1 Photosynthetic autotrophs utilize sunlight as a source of:
A. Heat
B. Food
C. Energy
D. Carbon
2 -------- reproduction takes place by spores. conidia, fragmentation, and budding.
A. Asexual
B. Sexual
C. Both a and b
D. Non of them
3 Electromagnetic radiations with wavelength below _______ nm are effective in killing microbes
A. 100
B. 600
C. 800
D. 300
4 Diplococcus pneumoniae is an example of which of the following type of arrangement in bacteria
A. Diplococcus
B. Staphylococcus
C. Streptococcus
D. Sarcina
5 Some species of Aspergillus are used fermenting/producing soy sauce and soy paste from:
A. Pea
B. Soybean
C. Tomato
D. Potato
6 Bacteria which are able to grow in the presence of oxygen, are called:
A. Aerobic bacteria
B. Anaerobic bacteria
C. Obligate bacteria
D. Facultative bacteria
7 Shivering in malaria occurs when:
A. Merozoites enter RBC
B. Gametocytes formed
C. Merozoites are liberated form RBC with toxin
D. Merozoites enter fresh hepatic cells
8 The vegetative phase of slime mould is called:
A. Cyst
B. Sporangium
C. Plasmodium
D. Mycelium
9 The lifecycle of bacteriophage, which results the increase of infection is
A. Temperate
B. Lytic
C. Non-virulent
D. Lysogenic
10 Halbur & coworkers revealed fact about hepatitis E in
A. 2002
B. 2004
C. 2005
D. 2001
11 First infectious disease against which effective prevention was discovered
A. Bacterial disease
B. Influenza
C. Herpes
D. None of these
12 The cocci arranges in pairs is generally termed as
A. Treptococci
B. Diplococci
C. Tetrad
D. None of these
13 Which of the following is not symptoms of ergotism.
A. Convulsion
B. Psychotic delusion
C. Gangrene
D. Indigestion
14 A facultative parasite is own which:
A. Always requires dead organic matter
B. Always requires a living host
C. Is normally a parasite but can also become a saprophyte
D. Is normally a saprophyte but  can also become a parasite 
15 Water regulation in freshwater ciliates is controlled by special organelles called:
A. Vacuoles
B. Contractile vacuoles
C. Golgi Apparatus
D. Lysosomes
16 They are beads of cells
A. Filaments
B. Trichomes
C. Fragments
D. Akinetes
17 Unlike plants and animals, the protists do not develop from a blastula or an
A. Egg
B. Embryo
C. Zygote
D. Gamete
18 Chemotherapeutic chemical substances which are used in treatment of infectious disease are:
A. Antibodies
B. Antigens
C. Antibiotics
D. Disinfectants
19 About 1880 Pasteur isolated the bacterium, responsible for:
A. Rabies
B. Chicken cholera
C. anthrax
D. Small pox
20 After how many weeks of 1st inoculation boy Phipps was inoculated with small pox pus?
A. 2
B. 19
C. 8
D. 6

Test Questions

Is this page helpful?