Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

All of the following are coelomates except:____________?

A. Deuterosomes
B. Proterosomes
C. Hemichordates
D. Aschelminthes
Answer» E.
2.

All insects have how many parts of legs?

A. 4
B. 2
C. 3
D. 6
Answer» D. 6
3.

All chromosomes other than ‘sex’ chromosome are called __________ ?

A. Autosomes
B. Acentric chromosomes
C. Metacentric Chromosomes
D. Telocentric chromosomes
Answer» B. Acentric chromosomes
4.

All are functions of hypothalamus, but, _________ ?

A. Regulation of body temperature
B. Regulation of anti-diuretic hormones
C. Regulation of sleep and emotions
D. Regulation of blood osmotic pressure
Answer» C. Regulation of sleep and emotions
5.

Air contains __________ % of CO2 ?

A. 0.02-0.03
B. 0.03-0.04
C. 0.04-0.05
D. 0.05-0.06
Answer» C. 0.04-0.05
6.

Aerating openings formed in the bark through which exchange of gases takes place and water is lost in the form of vapours are___________?

A. Hydathods
B. Stomata
C. Lenticels
D. None of these
Answer» D. None of these
7.

Adult human brain is about_________% of the total body weight.

A. 2%
B. 3%
C. 7%
D. 8%
Answer» B. 3%
8.

Adult birds normally possess only one functional____________?

A. Ureter
B. Ovary
C. Lung
D. Testis
Answer» C. Lung
9.

Addition of salts and other solutes from other cells into xylem sap, __________ the water potential of the xylem sap

A. Increases
B. Lowers
C. Doesn’t effect
D. Maintains
Answer» C. Doesn’t effect
10.

Active transport is dependent on____________?

A. Photosynthesis
B. Respiration
C. Photophosporylation
D. None of these
Answer» C. Photophosporylation
11.

Active site of Rubisco is evolved to bind?

A. CO2
B. O2
C. H2O
D. All of these
Answer» E.
12.

Actin and myosin are the basic proteins involved in contractile machinery of our body to which type of proteins do they belong____________?

A. Globular proteins
B. Fibrous Proteins
C. Both a and b
D. None of these
Answer» C. Both a and b
13.

Acromegaly is caused due to oversecretion of____________?

A. STH
B. TSH
C. ACTH
D. Thyroxin
Answer» E.
14.

Acetabularia mediterranea has a cap of _________ ?

A. Regular shape
B. Circular shape
C. Triangular shape
D. Cone shape
Answer» B. Circular shape
15.

Acetabularia is a kind of __________ ?

A. Fungi
B. Protist
C. Multicellular alga
D. Unicellular alga
Answer» E.
16.

Accurate name given to blood is ___________ ?

A. Red fluid
B. Hemoglobin
C. Fluid tissue
D. Plasma
Answer» D. Plasma
17.

Accumulation of lipid molecules in brain cells lead to____________?

A. paralysis
B. oedema
C. mental retardation
D. all of these
Answer» D. all of these
18.

Accumulation of lipid molecules in brain cells lead to__________?

A. paralysis
B. oedema
C. mental retardation
D. all of these
Answer» D. all of these
19.

According to two kingdom classification fungi were placed in kingdom___________?

A. Plantae
B. Animalia
C. Protista
D. Fungi
Answer» B. Animalia
20.

According to modern system of taxonomy, living organisms have been classified into?

A. Three Kingdoms
B. Five Kingdoms
C. Two Kingdoms
D. Six Kingdoms
Answer» C. Two Kingdoms
21.

According to Lamarch evolution occurred as the result of__________?

A. Natural selection
B. The theory of recapitulation
C. Inheritance of acquired characters
D. Over production
Answer» D. Over production
22.

According to cohesion-tension theory, tension is created by__________________?

A. Hydrogen bonding
B. Transpiration
C. Adhesion
D. Root prerssure
Answer» C. Adhesion
23.

Abscisic acid promotes flowering in short day plants and inhibits in long day plants, which of the following is antagonistic to abscisic acid in terms of flowering______________?

A. Gibberellins
B. Cytokinins
C. Auxins
D. Ethene
Answer» B. Cytokinins
24.

About __________ of the body weight of a mammal is water ?

A. 60%
B. 65%
C. 70%
D. 75%
Answer» D. 75%
25.

About __________ % of photosynthesis is carried by terrestrial plants, while rest occurs in ocean, lakes, and ponds?

A. 10%
B. 20%
C. 30%
D. 40%
Answer» B. 20%
26.

A virion is______________?

A. Virus
B. Viral protein
C. Viral lysozyme
D. Viral gene
Answer» B. Viral protein
27.

A Vegetable containing sulphur is____________?

A. Potato
B. Cabbage
C. Brinjal
D. Pumpkin
Answer» C. Brinjal
28.

A three dimensional dcavity bearing a specific charge by which the enzyme reacts with its substrate is called_________________?

A. Active site
B. Binding site
C. Catalytic site
D. Allosteric site
Answer» B. Binding site
29.

A substance which binds at the active site of the enzyme but does not result in the formation of the products is called________________?

A. Irreversible inhibitor
B. Reversible inhibitor
C. Competitive inhibitor
D. Non-competitive inhibitor
Answer» D. Non-competitive inhibitor
30.

A structure formed by groups of similar cells organized into loose sheetsor bundles performing similar functions is called as________?

A. An organ
B. An organism
C. A Tissue
D. A Cell
Answer» D. A Cell
31.

A structure formed by groups of similar cells organized into loose sheets or bundles performing similar functions is called as:

A. An organ
B. An organism
C. A Tissue
D. A Cell
Answer» D. A Cell
32.

A stone measuring 0.4 cm, blocking the outlet of renal pelvis resulting in mild to moderate tract obstruction. Which of the following technique will be opted to remove this stone?

A. Kidney surgery
B. Burring a hole and removing the stone manually (nephrolithotomy)
C. Extracorporeal Shock wave lithotripsy
D. None of these
Answer» D. None of these
33.

A sponge of Antarctica which is more than a meter tall is____________?

A. Scolymastra joubini
B. Euplectella
C. Spongilla
D. Leucoselenia
Answer» B. Euplectella
34.

A smallest contractile unit of muscle contraction called sarcomere is the area between two:

A. H- zone
B. M- Line
C. Z- Line
D. A band
Answer» D. A band
35.

A series of hypothesis supported by the results of many tests is called ?

A. Scientific law
B. Theory
C. Data
D. Deduction
Answer» C. Data
36.

A pressure created by active secretion of salts and other solutes from other cells into xylem sap is called___________?

A. Transpiration pull
B. Root pressure
C. Osmotic pressure
D. None of these
Answer» C. Osmotic pressure
37.

A painful burning sensation produced in the chest cavity usually associated with the back flush of acidic chyme into the esophagus is__________?

A. Pyrolysis
B. Pyrosis
C. Peristalsis
D. Dyspepsia
Answer» C. Peristalsis
38.

A moth is closely related to_________?

A. Wasp
B. Beetle
C. Cricket
D. Butterfly
Answer» E.
39.

A large regional community primarily determined by climate is called__________?

A. Population
B. Community
C. Biome
D. Habitat
Answer» D. Habitat
40.

A large regional community primarily determined by climate is called ?

A. Population
B. Community
C. Biome
D. Habitat
Answer» D. Habitat
41.

A joint formed between humerus, radius and ulna is an example of__________?

A. Immovable joint
B. Slightly movable joint
C. Freely movable joint
D. Fibrous joint
Answer» D. Fibrous joint
42.

A group of very similar inter breeding organisms constitutes?

A. Biosphere
B. Ecosystem
C. Population
D. Species
Answer» E.
43.

A group of similar cells that perform a specific function is:

A. Organ
B. Tissues
C. Organelle
D. Organ System
Answer» C. Organelle
44.

A group of ribosomes attached to mRNA is known as___________?

A. Polymer
B. Polypeptide
C. Polysomes
D. Monomer
Answer» D. Monomer
45.

A group of 8 cocci is called______________?

A. Diplococci
B. Octococci
C. Tetrad
D. Sarcina
Answer» E.
46.

A genome is___________?

A. Appearance of an individual
B. Genetic basis of few characters
C. Full set of genes of an individual
D. All of these
Answer» D. All of these
47.

A fracture hematoma has____________?

A. Healing properties
B. Destructive properties
C. Neutralizing properties
D. Dead cells
Answer» E.
48.

A disease of longs in which inside of the lungs is damaged resulting in cough and fever?

A. Lung cancer
B. Asthma
C. Emphysema
D. Pulmonary tuberculosis
Answer» D. Pulmonary tuberculosis
49.

A condition in which there is a decrease of oxygen to the tissue despite adequate blood flow to the tissue is_________?

A. Aphasia
B. Dysphasia
C. Hypoxia
D. None
Answer» D. None
50.

A compound produced as a result of a chemical reaction of an alcohol with an acid in which water molecule is released is called________________?

A. Monosaccharide
B. Fatty acid
C. Neutral lipid
D. Nucleic acid
Answer» D. Nucleic acid