General Science

What is the best description of heart?

A change in genetic material
B muscular organ pumping blood
C rapid involuntary response to a stimulus
D blood-group antigen system important in transfusion and pregnancy

Which of the following is most closely associated with diabetes mellitus?

A contractile tissue
B disorder characterised by chronic high blood glucose
C tissue involved in blood-cell production
D molecule carrying hereditary information

Which statement correctly identifies HIV?

A human immunodeficiency virus
B removal of metabolic waste products
C absorbs water/electrolytes and forms faeces
D hormone promoting growth and influencing metabolism

In general science, obesity refers to:

A transmission of genetic traits between generations
B biological catalyst, usually a protein
C differential survival and reproduction of heritable variants
D excessive body fat that may impair health

Which of the following is most closely associated with antiseptic?

A framework of bones supporting and protecting body
B principal immediate energy currency of cells
C scientist whose pea experiments established foundational inheritance laws
D substance applied to living tissue to reduce microorganisms

What is the best description of cholera?

A contractile tissue
B acute diarrhoeal disease caused by Vibrio cholerae
C molecule carrying hereditary information
D muscular organ pumping blood

In general science, protein refers to:

A macronutrient made of amino acids
B substance applied to living tissue to reduce microorganisms
C viral liver infection caused by hepatitis B virus
D Plasmodium infection transmitted by infected female Anopheles mosquitoes

Which statement correctly identifies nucleus?

A organelle containing most genetic material in eukaryotic cells
B organ involved in storage and digestion
C tiny vessels where exchange with tissues occurs
D functional unit of kidney

What is the best description of digestive system?

A vessels carrying blood away from heart
B fluid containing enzymes such as amylase
C system digesting food and absorbing nutrients
D organ filtering blood and forming urine

Which of the following is most closely associated with reproduction?

A biological process producing offspring
B cellular energy release using oxygen
C organelle containing most genetic material in eukaryotic cells
D major organ of central nervous system

Which statement correctly identifies tuberculosis?

A selectively permeable boundary around a cell
B infectious disease caused mainly by Mycobacterium tuberculosis
C cells transporting oxygen mainly using haemoglobin
D DNA-protein structure carrying genetic information

Which of the following is most closely associated with vitamin A?

A system of hormone-secreting glands
B vitamin important for blood formation and nervous function
C vitamin important for vision and epithelial health
D organ producing digestive enzymes and hormones including insulin

In general science, spinal cord refers to:

A functional unit/segment of genetic information
B major neural pathway between brain and peripheral nervous system
C fluid connective tissue
D vessels carrying blood toward heart

What is the best description of adrenaline?

A framework of bones supporting and protecting body
B hormone associated with fight-or-flight response
C site of protein synthesis
D principal immediate energy currency of cells

Which of the following is most closely associated with chromosome?

A advanced HIV disease with severe immune suppression
B fusion of male and female gametes
C drug acting against susceptible bacteria
D DNA-protein structure carrying genetic information

Which statement correctly identifies calcium?

A vitamin important for vision and epithelial health
B reduced oxygen-carrying capacity of blood, commonly due to low haemoglobin
C mineral essential for haemoglobin
D mineral important for bones, muscles and nerves

What is the best description of hypertension?

A transmission of genetic traits between generations
B differential survival and reproduction of heritable variants
C male human gamete
D persistently elevated arterial blood pressure

What is the best description of genotype?

A tissue covering surfaces and lining cavities
B genetic constitution for a trait
C system responsible for ventilation and gas exchange
D cell fragments important in blood clotting

Which statement correctly identifies veins?

A cells transporting oxygen mainly using haemoglobin
B selectively permeable boundary around a cell
C DNA-protein structure carrying genetic information
D vessels carrying blood toward heart

In general science, placenta refers to:

A cell fragments important in blood clotting
B system responsible for ventilation and gas exchange
C absorbs water/electrolytes and forms faeces
D organ enabling exchange between maternal and fetal circulations

What is the best description of vitamin C?

A tiny vessels where exchange with tissues occurs
B vitamin important for collagen synthesis
C organ involved in storage and digestion
D cells transporting oxygen mainly using haemoglobin

Which statement correctly identifies ovum?

A basic structural and functional unit of life
B blood classification based mainly on A/B antigens on red cells
C female human gamete
D specialised cell transmitting nervous signals

Which statement correctly identifies large intestine?

A deficiency, excess or imbalance of nutrients
B chronic inflammatory airway disorder
C vitamin important for blood clotting
D absorbs water/electrolytes and forms faeces

Which of the following is most closely associated with ATP?

A blood-group antigen system important in transfusion and pregnancy
B principal immediate energy currency of cells
C major organ of central nervous system
D organelle containing most genetic material in eukaryotic cells

In general science, connective tissue refers to:

A period of reproductive maturation and secondary sexual characteristics
B substance recognised by immune system and capable of provoking response
C tissue supporting, binding or connecting structures
D reproduction involving fusion of gametes