General Science

Which of the following is most closely associated with heart attack?

A cells transporting oxygen mainly using haemoglobin
B heart-muscle damage due to inadequate coronary blood supply
C tiny vessels where exchange with tissues occurs
D DNA-protein structure carrying genetic information

What is the best description of vitamin B12?

A system responsible for ventilation and gas exchange
B tissue covering surfaces and lining cavities
C cell fragments important in blood clotting
D vitamin important for blood formation and nervous function

In general science, heart attack refers to:

A heart-muscle damage due to inadequate coronary blood supply
B framework of bones supporting and protecting body
C tissue supporting, binding or connecting structures
D site of protein synthesis

What is the best description of nucleus?

A tissue supporting, binding or connecting structures
B iron-containing oxygen-carrying protein
C organelle containing most genetic material in eukaryotic cells
D air sacs where major lung gas exchange occurs

Which of the following is most closely associated with saliva?

A deficiency, excess or imbalance of nutrients
B fluid containing enzymes such as amylase
C chronic inflammatory airway disorder
D human immunodeficiency virus

In general science, nephron refers to:

A fusion of male and female gametes
B functional unit of kidney
C observable characteristics resulting from genotype and environment
D blood classification based mainly on A/B antigens on red cells

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

A enteric fever caused by Salmonella Typhi
B heart-muscle damage due to inadequate coronary blood supply
C substance recognised by immune system and capable of provoking response
D vitamin important for blood clotting

In general science, antigen refers to:

A substance recognised by immune system and capable of provoking response
B advanced HIV disease with severe immune suppression
C infectious disease caused mainly by Mycobacterium tuberculosis
D substance applied to living tissue to reduce microorganisms

Which statement correctly identifies dengue?

A viral disease mainly transmitted by Aedes mosquitoes
B air sacs where major lung gas exchange occurs
C tissue supporting, binding or connecting structures
D iron-containing oxygen-carrying protein

Which of the following is most closely associated with obesity?

A organelle containing most genetic material in eukaryotic cells
B major organ of central nervous system
C cellular energy release using oxygen
D excessive body fat that may impair health

Which of the following is most closely associated with stroke?

A tissue specialised for receiving and transmitting signals
B system digesting food and absorbing nutrients
C brain injury due to interrupted blood flow or bleeding
D vessels carrying blood away from heart

Which statement correctly identifies spinal cord?

A organelles strongly associated with aerobic ATP production
B major organ of central nervous system
C tissue covering surfaces and lining cavities
D major neural pathway between brain and peripheral nervous system

Which statement correctly identifies endocrine system?

A cellular energy release using oxygen
B allele expressed in a simple dominant-recessive pairing when present
C major organ of central nervous system
D system of hormone-secreting glands

What is the best description of capillaries?

A major organ of central nervous system
B organelle containing most genetic material in eukaryotic cells
C group of similar cells performing a common function
D tiny vessels where exchange with tissues occurs

Which of the following is most closely associated with thyroxine?

A air sacs where major lung gas exchange occurs
B iron-containing oxygen-carrying protein
C thyroid hormone regulating metabolic processes
D large gland involved in metabolism and bile production

What is the best description of tissue?

A excessive body fat that may impair health
B vitamin important for vision and epithelial health
C group of similar cells performing a common function
D mineral important for bones, muscles and nerves

What is the best description of anaerobic respiration?

A fatal viral infection usually transmitted through infected animal saliva
B energy-releasing metabolism without oxygen as required by the pathway
C immediate non-specific defence
D brain injury due to interrupted blood flow or bleeding

In general science, white blood cells refers to:

A selectively permeable boundary around a cell
B blood-group antigen system important in transfusion and pregnancy
C rapid involuntary response to a stimulus
D cells involved in immune defence

In general science, Mendel refers to:

A heart-muscle damage due to inadequate coronary blood supply
B energy-dense macronutrient important in membranes
C enteric fever caused by Salmonella Typhi
D scientist whose pea experiments established foundational inheritance laws

In general science, vitamin A refers to:

A tiny vessels where exchange with tissues occurs
B functional unit of kidney
C organ involved in storage and digestion
D vitamin important for vision and epithelial health

Which of the following is most closely associated with malnutrition?

A deficiency, excess or imbalance of nutrients
B framework of bones supporting and protecting body
C scientist whose pea experiments established foundational inheritance laws
D principal immediate energy currency of cells

Which of the following is most closely associated with AIDS?

A diet providing required nutrients and energy in suitable amounts
B fatal viral infection usually transmitted through infected animal saliva
C brain injury due to interrupted blood flow or bleeding
D advanced HIV disease with severe immune suppression

In general science, adaptive immunity refers to:

A immune protein that specifically binds an antigen
B reproduction involving fusion of gametes
C period of reproductive maturation and secondary sexual characteristics
D specific immune response with memory

Which statement correctly identifies thyroxine?

A tissue covering surfaces and lining cavities
B thyroid hormone regulating metabolic processes
C organelles strongly associated with aerobic ATP production
D major neural pathway between brain and peripheral nervous system

Which statement correctly identifies chromosome?

A DNA-protein structure carrying genetic information
B vitamin important for blood clotting
C deficiency, excess or imbalance of nutrients
D chronic inflammatory airway disorder