General Science

What is the best description of iron?

A macronutrient made of amino acids
B mineral essential for haemoglobin
C thiamine, important in carbohydrate metabolism and nerve function
D system of hormone-secreting glands

Which statement correctly identifies rabies?

A major muscle aiding breathing
B organ producing digestive enzymes and hormones including insulin
C system of hormone-secreting glands
D fatal viral infection usually transmitted through infected animal saliva

What is the best description of heredity?

A molecule carrying hereditary information
B muscular organ pumping blood
C contractile tissue
D transmission of genetic traits between generations

In general science, heart refers to:

A muscular organ pumping blood
B organelle containing most genetic material in eukaryotic cells
C cells involved in immune defence
D group of similar cells performing a common function

In general science, diaphragm refers to:

A vitamin important for blood clotting
B major muscle aiding breathing
C removal of metabolic waste products
D hormone promoting growth and influencing metabolism

Which of the following is most closely associated with antigen?

A male human gamete
B transmission of genetic traits between generations
C immediate non-specific defence
D substance recognised by immune system and capable of provoking response

Which statement correctly identifies heart attack?

A heart-muscle damage due to inadequate coronary blood supply
B specialised cell transmitting nervous signals
C basic structural and functional unit of life
D blood classification based mainly on A/B antigens on red cells

In general science, respiratory system refers to:

A system responsible for ventilation and gas exchange
B hormone that raises blood glucose
C organ filtering blood and forming urine
D fluid containing enzymes such as amylase

Which of the following is most closely associated with nervous tissue?

A tissue specialised for receiving and transmitting signals
B principal immediate energy currency of cells
C scientist whose pea experiments established foundational inheritance laws
D framework of bones supporting and protecting body

In general science, insulin refers to:

A framework of bones supporting and protecting body
B tissue supporting, binding or connecting structures
C hormone that lowers blood glucose
D site of protein synthesis

Which of the following is most closely associated with mitochondria?

A persistently elevated arterial blood pressure
B major energy-yielding macronutrient
C vitamin important for collagen synthesis
D organelles strongly associated with aerobic ATP production

What is the best description of white blood cells?

A cells involved in immune defence
B fusion of male and female gametes
C drug acting against susceptible bacteria
D observable characteristics resulting from genotype and environment

Which statement correctly identifies enzyme?

A male human gamete
B differential survival and reproduction of heritable variants
C transmission of genetic traits between generations
D biological catalyst, usually a protein

In general science, RNA refers to:

A excessive body fat that may impair health
B infectious disease caused mainly by Mycobacterium tuberculosis
C nucleic acid involved in gene expression and protein synthesis
D mineral important for bones, muscles and nerves

What is the best description of connective tissue?

A tissue supporting, binding or connecting structures
B acute diarrhoeal disease caused by Vibrio cholerae
C persistently elevated arterial blood pressure
D major energy-yielding macronutrient

In general science, Rh factor refers to:

A immune protein that specifically binds an antigen
B blood-group antigen system important in transfusion and pregnancy
C reproduction involving one parent and generally no gamete fusion
D organ enabling exchange between maternal and fetal circulations

What is the best description of tuberculosis?

A framework of bones supporting and protecting body
B site of protein synthesis
C infectious disease caused mainly by Mycobacterium tuberculosis
D principal immediate energy currency of cells

Which statement correctly identifies anaerobic respiration?

A developing organism in early post-fertilisation stages
B biological process producing offspring
C energy-releasing metabolism without oxygen as required by the pathway
D preparation that stimulates protective immune responses

Which of the following is most closely associated with embryo?

A major site of digestion and nutrient absorption
B fluid of lymphatic system involved in immunity and fluid balance
C developing organism in early post-fertilisation stages
D fluid excreted by kidneys containing metabolic wastes

Which statement correctly identifies vitamin E?

A functional unit of kidney
B fat-soluble antioxidant vitamin
C thyroid hormone regulating metabolic processes
D vitamin important for calcium/phosphate balance and bone health

Which of the following is most closely associated with respiratory system?

A maintenance of stable internal conditions
B vitamin important for vision and epithelial health
C system responsible for ventilation and gas exchange
D mineral important for bones, muscles and nerves

In general science, arteries refers to:

A fluid connective tissue
B tiny vessels where exchange with tissues occurs
C vessels carrying blood away from heart
D functional unit/segment of genetic information

In general science, stomach refers to:

A infectious disease caused mainly by Mycobacterium tuberculosis
B mineral important for bones, muscles and nerves
C organ involved in storage and digestion
D excessive body fat that may impair health

Which of the following is most closely associated with anaemia?

A reduced oxygen-carrying capacity of blood, commonly due to low haemoglobin
B functional unit/segment of genetic information
C basic structural and functional unit of life
D specialised cell transmitting nervous signals

What is the best description of arteries?

A change in heritable population characteristics over generations
B vessels carrying blood away from heart
C sum of chemical reactions in an organism
D place where two or more bones meet