General Science

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

What is the best description of diaphragm?

A tiny vessels where exchange with tissues occurs
B major site of digestion and nutrient absorption
C cells transporting oxygen mainly using haemoglobin
D major muscle aiding breathing

What is the best description of embryo?

A site of protein synthesis
B framework of bones supporting and protecting body
C principal immediate energy currency of cells
D developing organism in early post-fertilisation stages

Which of the following is most closely associated with insulin?

A tiny vessels where exchange with tissues occurs
B DNA-protein structure carrying genetic information
C cells transporting oxygen mainly using haemoglobin
D hormone that lowers blood glucose

Which statement correctly identifies neuron?

A blood-group antigen system important in transfusion and pregnancy
B specialised cell transmitting nervous signals
C major organ of central nervous system
D change in genetic material

In general science, sperm refers to:

A place where two or more bones meet
B male human gamete
C sum of chemical reactions in an organism
D nucleic acid involved in gene expression and protein synthesis

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

A deficiency, excess or imbalance of nutrients
B human immunodeficiency virus
C fat-soluble antioxidant vitamin
D chronic inflammatory airway disorder

What is the best description of muscle tissue?

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

What is the best description of reflex action?

A developing organism in early post-fertilisation stages
B allele expressed in a simple dominant-recessive pairing when present
C rapid involuntary response to a stimulus
D cellular energy release using oxygen

In general science, genotype refers to:

A maintenance of stable internal conditions
B genetic constitution for a trait
C vitamin important for vision and epithelial health
D large gland involved in metabolism and bile production

Which of the following is most closely associated with blood?

A major organ of central nervous system
B organelle containing most genetic material in eukaryotic cells
C cellular energy release using oxygen
D fluid connective tissue

In general science, hepatitis B refers to:

A vitamin important for blood clotting
B chronic inflammatory airway disorder
C deficiency, excess or imbalance of nutrients
D viral liver infection caused by hepatitis B virus