MDCAT MCQ Test With Answer for Biology Full Book

Students looking forward to medical profession first need to clear entry test. But main problem for candidates is that how to prepare for MDCAT test. So, you are now at the right place to prepare yourself online for the entry test. Here you can get online MCQs test and you just have to press start Test button and start preparations online at home.

Medical College Admission Test (MDCAT) required for seeking admission in medical colleges and universities comprises 220 total MCQs out of which 88 MCQs are included from Biology section as per the pattern set by University of Health Sciences (UHS).

MDCAT Biology Online Test

Try The MDCAT Biology Online Test

  • Total Questions80

  • Time Allowed60

MDCAT Biology Online Test

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Question # 1

Which algae take part in building coral reefs along with coral animals:

Question # 2

Herpes type-1 virus causes

Question # 3

Motor neurons are

Question # 4

Hydrogen peroxide and formaldehyde are used as

Question # 5

Bacteria can't pass through these filters

Question # 6

Different groups of fungi produce different types of haploid sexual spores, such as:

Question # 7

Which phenomenon reduces the chances of genetic recombination and variations among offspring ?

Question # 8

Bacterium having only one flagellum at its one pole is called:

Question # 9

Food chains combine to form

Question # 10

If lipopolysaccharides did not appear in the wall of bacteria on staining then it will be known as____________

Question # 11

An exchange of segments between non-sister chromatids of homologous chromosomes during meiosis is termed as

Question # 12

The end of the sheath posses

Question # 13

The sucessions started on water is called as

Question # 14

We are reducing natural 'carbon dioxide's

Question # 15

Many enzymes are simply dissolved in the

Question # 16

The productivity of aquatic ecosystem is basically determined by the:

Question # 17

Darwin collected 13 types of birds of :

Question # 18

Site of protein synthesis in cells are

Question # 19

The term ecology was first used by a ________ zoologist.

Question # 20

Misuse of antibiotic such as penicillin can cause:

Question # 21

Features of most complex animals are

Question # 22

The parasite that can also serve as a saprophyte is

Question # 23

A class is a group of related :

Question # 24

By Gram staining technique, gram negative bacteria are stained:

Question # 25

Dominant species of mammals in grassland are the:

Question # 26

It contains many types of pigment molecules

Question # 27

Cell wall structure of a cell of unknown origin was studied and was found to contain polyacrylamide chain linked with short chains of amino acid. What do you think it can be

Question # 28

Oomycotes include a number of pathogenic organisms, including downy mildew:

Question # 29

Experimental administration of vaccination in AIDS patients has started in

Question # 30

Which is not a seral stage

Question # 31

______ incorporate gaseous nitrogen from air into organic nitrogen containing compounds

Question # 32

Nucleic acids were found in

Question # 33

A thin, flexible spiral-shaped bacterium is called a

Question # 34

A technique in transgenic animals in which desired gene is inserted into the eggs of animal is called.

Question # 35

Microbiologists place bacteria in ______ major categories

Question # 36

The example of decomposers of the ecosystem are the

Question # 37

Monoculture is

Question # 38

______ are autotrophic organisms

Question # 39

It is mild short term and less virulent disease?

Question # 40

In temperate grassland the rate primary production is about:

Question # 41

Prions were discovered in

Question # 42

A material obtained by the partial decay of plants and animals is:

Question # 43

The hyphae which lack septa and are in the form of an elongated multinucleated large cell are called:

Question # 44

All the organisms, primarily animals, which obtain energy directly or indirectly from the produces as ready-organic food are:

Question # 45

The phase in which bacteriophage causes lysis of the host cell is called

Question # 46

For vaccination Edward jenner removed material from which?

Question # 47

As the number of the predators decreases the numbering of prey:

Question # 48

Which is true for Gram-positive wall?

Question # 49

Many bacteria are motile due to presence of

Question # 50

Group of interbreeding organisms residing together in space & times are

Question # 51

Five kingdom system proposed by Margulis and schwartz is not based on:

Question # 52

Grasslands of tropic climate have woody trees and are called:

Question # 53

The largest and most diverse group of photosynthetic bacteria is

Question # 54

Chitin in the cell of fungi is

Question # 55

Some strains of Aspergillus flavus produce one of the most carcinogenic mycotoxins called:

Question # 56

Viroids are plant pathgens consisting of

Question # 57

Rh factor or antigen was first studied in :

Question # 58

Pyramid always starts at

Question # 59

The process by which the limited amount of nitrogen is circulated and recirculated throughout the world of living organisms is known as the

Question # 60

The low levels of surfactant produce by alveolar epithelium causes.

Question # 61

Foraminiferans of the past have created vast deposits of:

Question # 62

The cell wall of each diatom consists of:

Question # 63

Which of the following is not an enzyme of HIV

Question # 64

Which are hollow structures in bacteria?

Question # 65

In tandra forests the willow tree with an age of 50 year have diameter of trunk only:

Question # 66

Monophyletic lineage means:

Question # 67

_____________ is the 1st heat stable component used n PCR

Question # 68

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

Question # 69

Of the following which one is not the constituent of cell wall in eubacteria

Question # 70

In which types of soil does water logging occur?

Question # 71

Choose the correct option about the following figure:

Question # 72

Syphils, sexually transmitted disease is cause by

Question # 73

Fusion of nuclei does not take place immediately after the fusion of cytoplasm in which of the followings

Question # 74

Fungi are principal decomposers of

Question # 75

Each ____________consists of a light gathering antenna complex and reaction center.

Question # 76

Unicellular yeasts reproduce by:

Question # 77

The rod-shaped bacteria are called

Question # 78

Reserved food material in cyanobacterial is: 

Question # 79

Pick up 5 carbon compound

Question # 80

Misuse of tetracycline and its related compounds cause


Topic Test

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Here is List Of Chapter Wise Tests

Ch. # Test Name MCQs Available PDF File Launch Test
1 MDCAT Biology Chapter 1 MCQ's Test 50 Download PDF Launch Test
2 MDCAT Biology Chapter 2 MCQ's Test 31 Download PDF Launch Test
3 MDCAT Biology Chapter 3 MCQ's Test 1048 Download PDF Launch Test
4 MDCAT Biology Chapter 4 MCQ's Test 47 Download PDF Launch Test
5 MDCAT Biology Chapter 5 MCQ's Test 50 Download PDF Launch Test
6 MDCAT Biology Chapter 6 MCQ's Test 50 Download PDF Launch Test
7 MDCAT Biology Chapter 7 MCQ's Test 50 Download PDF Launch Test
8 MDCAT Biology Chapter 8 MCQ's Test 378 Download PDF Launch Test
9 MDCAT Biology Chapter 9 MCQ's Test 50 Download PDF Launch Test
10 MDCAT Biology Chapter 10 MCQ's Test 50 Download PDF Launch Test
11 MDCAT Biology Chapter 11 MCQ's Test 0 Download PDF Launch Test
12 MDCAT Biology Chapter 12 MCQ's Test 84 Download PDF Launch Test
13 MDCAT Biology Chapter 13 MCQ's Test 81 Download PDF Launch Test

Top Scorers of MDCAT Biology Online Test

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    Ashfaq Ahmed 30 - Jul - 2026 29 Min 56 Sec 64/80
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    Muhammad Hassan 29 - Aug - 2025 22 Min 47 Sec 54/80
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    Saim G 11 - Aug - 2025 13 Min 16 Sec 51/80
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    HaiqaAnosh 27 - Jul - 2026 20 Min 49 Sec 46/80
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    Umer 28 - Aug - 2025 23 Min 45 Sec 46/80
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    iftkhar Ahmad 04 - Sep - 2025 33 Min 46 Sec 46/80
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    Kashaf Tasawar 07 - Oct - 2025 20 Min 36 Sec 39/80
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    latif 25 - Oct - 2025 20 Min 15 Sec 37/80

MCAT Biology Important MCQ's

Sr.# Question Answer
1 Mycellium refers to
A. Fungal body
B. Coenocytic hyphae
C. Septate hyphae
D. Haloid nuclei
2 By _________ immunization had decreased the danger of small pox
A. 1940s
B. 1950s
C. 1960s
D. 1970s
3 Which are hollow structures in bacteria?
A. Pilli
B. Flagella
C. Both a & b
D. Cilia
4 Bacterial species known to cause disease in humans are approximately:
A. 50
B. 100
C. 200
D. 300
5 Bacterial live and get food from roots of plants is an example of
A. Symbiosis
B. Mutualism
C. Parasitism
D. Infestation
6 Asexual reproduction it fungi is usually take place by
A. Conidia
B. Spore
C. Budding
D. All of these
7 Infertility, short height, webbed neck and low hairline at lack are symptoms of ______ syndrome.
A. Turner's
B. Down's
C. Edward's
D. Patau's
8 The root nodules bacteria fix ______ in sil air:
A. Parasitism
B. Carbon dioxide 
C. Nitrogen
D. Hydrogen 
9 Part of hinc brain responsible for the balance and equilibrium of body is called.
A. Medulla
B. Cerebellum
C. Pons
D. Thalamus
10 In temperature deciduous forest the average rainfall is:
A. 650 -1500 mm
B. 750 -1500 mm
C. 800 - 1600 mm
D. 700 - 1500 mm

National University of Medical Sciences conduct entry test for Army Medical colleges and it includes total 180 MCQs out of which 70 are from Biology subject. You can attempt this test to check your knowledge and basic concepts for biology. It will prepare you and will give you experience of real time entry test.

Test Questions