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

What is the probability of having albino child if father and mother both are carrier(Aa)

Question # 2

The study of different communities to environment is called

Question # 3

In this process pyruvic acid is not used as substrate

Question # 4

Lysozyme damages the bacterial call wall by

Question # 5

In antibody molecule, two heavy and two light chains are bonded by

Question # 6

Which of the following is an example of autosomal non-disjunction

Question # 7

Cells in __________ can also be infected by HIV in addition to Lymphocytes

Question # 8

Gram-positive bacteria are stained _____________ by gram staining

Question # 9

It brings about an increase in blood glucose level mainly by its production from glycogen

Question # 10

The modified plasmid or phage DNA is called.

Question # 11

The largest group of fungi is

Question # 12

Which of the following is unsaturated fatty acid

Question # 13

A class is a group of related :

Question # 14

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

Question # 15

Enzyme works to its maximum capacity

Question # 16

Number of ATPs produced by aerobic respiration in bacteria

Question # 17

Which of the following is used for lowering blood cholestrol?

Question # 18

Which of the following is not true about abiotic components

Question # 19

Which of the following is called black bread mold?

Question # 20

Amino acids are arranged in proper sequence during protein systhesis according to the instructions transcribed on:

Question # 21

Nucleoid is visible in the light microscope after staining with:

Question # 22

In Linneaus binomial nomenclature system the first name refers to the genus and is called

Question # 23

As a result of cross fertilization of a true breading pea plant having purple coloured flowers with that of white coloured flowers , the offerings will have flowers with.

Question # 24

Early researches on bacteriophages were on those who infect?

Question # 25

In krebs cycle, oxidation takes place in the formation of ___ without decarboxylation

Question # 26

Penicillium species are used for giving flavour, aroma (smell) and characteristic colour to some:

Question # 27

Tuberous underground fruiting bodies of fungi found with the help of trained dogs

Question # 28

Which of the following oxidizes malate to oxaloacetate in kreb’s cycle?

Question # 29

Bacteriophage dissolve bacterial cell wall by producing the enzyme

Question # 30

Mycologists are scientists who study:

Question # 31

The gross production of an ecosystem is its total

Question # 32

These are among the most familliar fungi

Question # 33

What happens when both alleles of a gene pair independently express in a heterozygote?

Question # 34

The total amount of energy fixed by plants is ______ productions

Question # 35

A blue cone monochormate

Question # 36

When a single gene has multiple phenotypic effects, the phenomenon is called:

Question # 37

Diseases in living organisms which are caused by parasites are called

Question # 38

Protein component of food are digested by the enzymatic secretion of.

Question # 39

The amount of peptidoglycan in the bacterial cell wall is

Question # 40

During attachment weak chemical union is formed between virion and

Question # 41

Mascara is a type of:

Question # 42

Lovastatin is used for lowering blood:

Question # 43

Antone van leeuwenhoek called animalcules to the following.

Question # 44

Black bread mold and splitting fungus belongs to

Question # 45

The first part of the large intestine is.

Question # 46

Flavin adenine dinucleotide is a

Question # 47

It is community relay

Question # 48

Insulin receptors are present in

Question # 49

Darwin published " The Origin of Species" in

Question # 50

Infected person can be recovered completely from hepatitis

Question # 51

In man, Plasmodium first enters into the:

Question # 52

Most of the energy in the cell is liberated by oxidation of carbohydrates when

Question # 53

W.O.F is endocrine as well as exocrine

Question # 54

Bacterial and fungi are mainly included in the group of

Question # 55

Omnivores are described by how many trophic levels

Question # 56

Which organelle is bounded by two membranes?

Question # 57

The plasmodial slime mold that is a model organism is:

Question # 58

Protists with two nuclei

Question # 59

Queen victoria was having which kind of haemophilia

Question # 60

Red-tide is caused by:

Question # 61

The rod-shaped bacteria are called

Question # 62

Pepsin, protein digesting enzymes, sets best pH:

Question # 63

Vibro is an example of:

Question # 64

The plant body in a unicellular fungus

Question # 65

In aerobic respiration

Question # 66

In general appearance the helical phages are

Question # 67

The structure of the phage _________ is relatively more complex

Question # 68

Circular double stranded DNA molecules in addition to chromosomes in some bacteria

Question # 69

Spirochete is:

Question # 70

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

Question # 71

Joseph Grinnell an American scientist was:

Question # 72

Nutrients required by organism in large amount like water, carbon, hydrogen, oxygen, nitrogen, phosphorus, sulphur and  calcium are:

Question # 73

Choose the correct option about the following figure:

Question # 74

Photosynthetic protists contribute percentage of global photosynthesis:

Question # 75

Enzyme pepsin acts on.

Question # 76

A hormone which regulates glucose and minerals

Question # 77

Which of the following virus is DNA enveloped

Question # 78

Allosteric enzymes have ___ major sites

Question # 79

Coniferous forests of high altitude are known as:

Question # 80

Number of ATPs required to phosphorylate RuP molecules in calvin cycle


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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    Stratos Hxh 27 - Aug - 2025 07 Min 21 Sec 73/80
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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
  • U
    Umer 28 - Aug - 2025 23 Min 45 Sec 46/80
  • I
    iftkhar Ahmad 04 - Sep - 2025 33 Min 46 Sec 46/80
  • Z
    Zain Noor 28 - Aug - 2025 13 Min 23 Sec 42/80
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    shah zeb 10 - Oct - 2025 08 Min 52 Sec 41/80
  • K
    Kashaf Tasawar 07 - Oct - 2025 20 Min 36 Sec 39/80
  • A
    asma noor 17 - Jan - 2025 34 Min 30 Sec 39/80
  • S
    Sami Nizamani 10 - Jan - 2025 56 Min 49 Sec 38/80
  • M
    Muhammad Asjad 18 - Jan - 2025 11 Min 23 Sec 37/80
  • U
    Umar Nawaz 16 - Jan - 2025 19 Min 09 Sec 37/80
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    Naveed 28 - Aug - 2025 19 Min 28 Sec 37/80
  • L
    latif 25 - Oct - 2025 20 Min 15 Sec 37/80
  • C
    cotton candy 02 - Sep - 2025 11 Min 55 Sec 36/80

MCAT Class Biology Important MCQ's

Sr.# Question Answer
1 The persistent symptoms of small pox are
A. Raised fluid filled vesicles
B. The pocks
C. Pustules
D. Vascular lesions
2 Which of the following acts as template strand for reverse transcription
A. Viral DNA
B. Viral RNA
C. Host DNA
D. Host RNA
3 The heat that causes coagulation of proteins and kills the microbes:
A. Moist heat
B. Dry heat
C. Intense
D. Mild heat
4 A mixture of sand and clay in:
A. Silt
B. Kaolin
C. Humus
D. Loam
5 Some species of ---------- trap soil nematodes by forming constricting ring.
A. Amanita
B. Penicillium
C. Aspergillus
D. Arthrobotrys
6 Algae which are known to have occasional population explosion or blooms are:
A. Dinoflagellates
B. Zooflagellaes
C. Diatoms
D. Euglenoids
7 An irregular dense area in a bacterial cell formed by a single circular, double-stranded DNA molecule is
A. Mesosome
B. Plasmid
C. Nucleoid
D. Cyst
8 A thin, flexible spiral-shaped bacterium is called a
A. Vibrio
B. Spirochete
C. Spirillum
D. Coccus
9 How many sodium ions are pumped out in response to two potassium ions transported into the membrane.
A. 3
B. 1
C. 4
D. 2
10 Fungi and bacteria are:
A. Producers
B. Consumers
C. Decomposers 
D. Predators

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.

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