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Biology
Which type of white blood cell is primarily responsible for producing antibodies against specific pathogens?
A
T lymphocytes
B
B lymphocytes
C
Macrophages
D
Neutrophils
Correct Answer
B
Biology
What is the primary molecule used by cells to store and transfer energy for immediate use?
A
Glucose
B
Adenosine triphosphate (ATP)
C
Glycogen
D
Deoxyribonucleic acid (DNA)
Correct Answer
B
Biology
What is the longest and strongest bone in the human body?
A
Tibia
B
Humerus
C
Femur
D
Fibula
Correct Answer
C
Biology
What term describes an allele that fully masks the expression of another allele paired with it in a heterozygous individual?
A
Recessive
B
Codominant
C
Incomplete
D
Dominant
Correct Answer
D
Biology
Which organelle, found only in plant and algal cells, is responsible for providing structural strength and preventing the cell from bursting due to osmotic pressure?
A
Plasma membrane
B
Vacuole
C
Cell wall
D
Chloroplast
Correct Answer
C
Biology
In the human respiratory system, where does the actual exchange of gases (oxygen and carbon dioxide) take place?
A
Bronchioles
B
Alveoli
C
Trachea
D
Pharynx
Correct Answer
B
Biology
Which level of an ecosystem represents organisms that can produce their own food from inorganic substances using light or chemical energy?
A
Primary consumers
B
Decomposers
C
Primary producers
D
Secondary consumers
Correct Answer
C
Biology
What name is given to the specific region of an enzyme where substrate molecules bind and undergo a chemical reaction?
A
Allosteric site
B
Active site
C
Catalyst zone
D
Inhibitor site
Correct Answer
D
Computer
Which of the following is an input device
A
Monitor
B
Printer
C
Keyboard
D
Speaker
Correct Answer
D
General Knowledge
What is the chemical symbol for Gold?
A
Gd
B
Go
C
Ag
D
Au
Correct Answer
D