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Online Questions of Biology Tests with Answers

Biology tests in the form of Multiple Choice Questions (MCQs) are an essential tool for students preparing for initial medical entry tests in various branches of the armed forces, including the Army, Navy, and Pakistan Air Force (PAF). These tests are particularly relevant for candidates applying for roles such as AFNS (Armed Forces Nursing Service), Female Medical Technician, Female Medical Assistant, Male Nursing, and other medical-related positions. Undermentioned questions are for commissioning having graduation level.

MCQs in biology cover fundamental concepts such as human anatomy, physiology, genetics, microbiology, and other key topics that form the foundation of medical knowledge. By practicing these MCQs, candidates can assess their understanding, identify areas for improvement, and build confidence for the competitive exams. These tests are designed to evaluate both theoretical knowledge and practical application, ensuring that candidates are well-prepared to meet the rigorous standards of the medical branches in the armed forces.

Online Questions of Biology Past MCQs

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Biology Tests Quiz (Graduation Level)

1 / 25

In SEM , the image is formed by the electrons that :-

undergo inversion

reflect back

ionize

2 / 25

NADH and FADH2 is associated with respectively :-

Complex I and Complex III

Complex II and Complex III

Complex I and Complex II

3 / 25

How many ATP molecules are produced per glucose molecule in eukaryotic glycolysis ;-

3 ATP

2 ATP

4 ATP

4 / 25

Heptoses are :-

sugar

amino acid

proteins

5 / 25

__________ is a three dimensional cavity bearing a specific charge by which the enzyme reacts with its substrate:-

Active site

Allosteric site

Catalytic site

6 / 25

How many plasmodesmata are present in a plant cell ;-

1000

100

7 / 25

Which is also known as Krebs cycle ;-

TCA cycle

Electron transport chain

Glycolysis

8 / 25

Which is an example of C3 plants ;-

wheat

sugarcane

cactus

9 / 25

Which cell doesn't contain a cell wall:-

Bacteria

Animal cells

Plant cell

Fungi

10 / 25

Export of molecule from inside the nucleus to the cytoplasm need hydrolysis :-

1 GTP

2 GTPs

1 ATP

11 / 25

Energy transfer from one trophic level to other in a food chain is ___________ %:-

12 / 25

The first reaction in photorespiration is ____________:-

Oxygenation

Decarboxylation

Carboxylation

13 / 25

The method of DNA replication is ;-

Non conservative

semi conservative

Conservative

14 / 25

Spirochete is an example of:-

Aerobic bacteria

Facultative bacteria

Microaerophilic

An-Aerobic bacteria

15 / 25

_____________ has cellulose as the major component:-

Secondary wall

Middle lamella

Primary wall

16 / 25

Pigments absorb light of particular wavelength :-

True

False

17 / 25

Phylum platyhelminthes consist of ____ classes:-

18 / 25

Which virus is found in Saliva:-

Hepatitis Virus

Dengue virus

EBV virus

HIV

19 / 25

Who discovered C4 cycle :-

Hatch and Slack

Kolliker

Robert Brown

20 / 25

What is epithelial mesenchymal transistion:-

loss of adhesion and loss of migration

gain of adhesion and gain of migration

loss of adhesion and gain of migration

21 / 25

Protozoas are mostly:-

Eukaryotic in nature

Both a, b

Prokaryotic in nature

22 / 25

How many ATP molecule are required to produce one molecule of glucose :-

23 / 25

Where does fertilization take place in bryophytes:-

Ovule

Archegonia

Antheridia

Water

24 / 25

Which part of the chlorophyll is responsible for absorption of light :-

outer membrane

Porphyrin ring

thylakoid membrane

25 / 25

In sponges both egg and sperm are spawned in water column:-

Yes

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