General Science

Which statement correctly identifies cell membrane?

A cell fragments important in blood clotting
B absorbs water/electrolytes and forms faeces
C selectively permeable boundary around a cell
D system responsible for ventilation and gas exchange

Which of the following is most closely associated with HIV?

A infectious disease caused mainly by Mycobacterium tuberculosis
B excessive body fat that may impair health
C mineral important for bones, muscles and nerves
D human immunodeficiency virus

In general science, cell refers to:

A fluid excreted by kidneys containing metabolic wastes
B major site of digestion and nutrient absorption
C basic structural and functional unit of life
D fluid of lymphatic system involved in immunity and fluid balance

Which of the following is most closely associated with iron?

A mineral essential for haemoglobin
B fusion of male and female gametes
C advanced HIV disease with severe immune suppression
D drug acting against susceptible bacteria

In general science, tissue refers to:

A Plasmodium infection transmitted by infected female Anopheles mosquitoes
B substance applied to living tissue to reduce microorganisms
C viral liver infection caused by hepatitis B virus
D group of similar cells performing a common function

Which statement correctly identifies blood?

A cell formed by gamete fusion
B change in genetic material
C substance applied to living tissue to reduce microorganisms
D fluid connective tissue

Which statement correctly identifies cell?

A contractile tissue
B basic structural and functional unit of life
C muscular organ pumping blood
D major muscle aiding breathing

Which statement correctly identifies innate immunity?

A reduced oxygen-carrying capacity of blood, commonly due to low haemoglobin
B viral liver infection caused by hepatitis B virus
C immediate non-specific defence
D Plasmodium infection transmitted by infected female Anopheles mosquitoes

Which statement correctly identifies connective tissue?

A advanced HIV disease with severe immune suppression
B infectious disease caused mainly by Mycobacterium tuberculosis
C drug acting against susceptible bacteria
D tissue supporting, binding or connecting structures

In general science, rabies refers to:

A fatal viral infection usually transmitted through infected animal saliva
B fluid excreted by kidneys containing metabolic wastes
C fat-soluble antioxidant vitamin
D hormone associated with fight-or-flight response

Which of the following is most closely associated with dengue?

A organ producing digestive enzymes and hormones including insulin
B viral disease mainly transmitted by Aedes mosquitoes
C thiamine, important in carbohydrate metabolism and nerve function
D system of hormone-secreting glands

What is the best description of innate immunity?

A energy-dense macronutrient important in membranes
B immediate non-specific defence
C heart-muscle damage due to inadequate coronary blood supply
D vitamin important for calcium/phosphate balance and bone health

In general science, DNA refers to:

A macronutrient made of amino acids
B molecule carrying hereditary information
C vitamin important for blood formation and nervous function
D disorder characterised by chronic high blood glucose

What is the best description of growth hormone?

A hormone promoting growth and influencing metabolism
B organelle containing most genetic material in eukaryotic cells
C major organ of central nervous system
D group of similar cells performing a common function

Which of the following is most closely associated with red blood cells?

A specialised cell transmitting nervous signals
B functional unit/segment of genetic information
C basic structural and functional unit of life
D cells transporting oxygen mainly using haemoglobin

What is the best description of joint?

A fluid connective tissue
B basic structural and functional unit of life
C place where two or more bones meet
D functional unit/segment of genetic information

What is the best description of homeostasis?

A fusion of male and female gametes
B observable characteristics resulting from genotype and environment
C maintenance of stable internal conditions
D drug acting against susceptible bacteria

In general science, embryo refers to:

A muscular organ pumping blood
B developing organism in early post-fertilisation stages
C contractile tissue
D major muscle aiding breathing

What is the best description of excretion?

A preparation that stimulates protective immune responses
B developing organism in early post-fertilisation stages
C removal of metabolic waste products
D biological process producing offspring

Which of the following is most closely associated with dominant allele?

A fatal viral infection usually transmitted through infected animal saliva
B allele expressed in a simple dominant-recessive pairing when present
C brain injury due to interrupted blood flow or bleeding
D diet providing required nutrients and energy in suitable amounts

Which statement correctly identifies mutation?

A change in genetic material
B absorbs water/electrolytes and forms faeces
C removal of metabolic waste products
D hormone promoting growth and influencing metabolism

What is the best description of dominant allele?

A maintenance of stable internal conditions
B air sacs where major lung gas exchange occurs
C large gland involved in metabolism and bile production
D allele expressed in a simple dominant-recessive pairing when present

Which of the following is most closely associated with vitamin B12?

A thyroid hormone regulating metabolic processes
B vitamin important for blood formation and nervous function
C fat-soluble antioxidant vitamin
D diet providing required nutrients and energy in suitable amounts

Which statement correctly identifies alveoli?

A air sacs where major lung gas exchange occurs
B vessels carrying blood toward heart
C organ involved in storage and digestion
D functional unit of kidney

In general science, malaria refers to:

A cell fragments important in blood clotting
B system responsible for ventilation and gas exchange
C Plasmodium infection transmitted by infected female Anopheles mosquitoes
D absorbs water/electrolytes and forms faeces