General Science

Which statement correctly identifies embryo?

A developing organism in early post-fertilisation stages
B DNA-protein structure carrying genetic information
C cells transporting oxygen mainly using haemoglobin
D selectively permeable boundary around a cell

Which statement correctly identifies AIDS?

A functional unit of kidney
B advanced HIV disease with severe immune suppression
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 joint?

A organ producing digestive enzymes and hormones including insulin
B thiamine, important in carbohydrate metabolism and nerve function
C system of hormone-secreting glands
D place where two or more bones meet

Which of the following is most closely associated with growth hormone?

A hormone that raises blood glucose
B organ filtering blood and forming urine
C fluid containing enzymes such as amylase
D hormone promoting growth and influencing metabolism

Which of the following is most closely associated with cell membrane?

A selectively permeable boundary around a cell
B mineral important for bones, muscles and nerves
C vitamin important for vision and epithelial health
D maintenance of stable internal conditions

Which of the following is most closely associated with excretion?

A specialised cell transmitting nervous signals
B removal of metabolic waste products
C basic structural and functional unit of life
D functional unit/segment of genetic information

In general science, reflex action refers to:

A site of protein synthesis
B rapid involuntary response to a stimulus
C tissue supporting, binding or connecting structures
D framework of bones supporting and protecting body

In general science, tuberculosis refers to:

A infectious disease caused mainly by Mycobacterium tuberculosis
B major muscle aiding breathing
C contractile tissue
D muscular organ pumping blood

Which of the following is most closely associated with heredity?

A removal of metabolic waste products
B vitamin important for blood clotting
C hormone promoting growth and influencing metabolism
D transmission of genetic traits between generations

Which statement correctly identifies obesity?

A excessive body fat that may impair health
B cell formed by gamete fusion
C substance applied to living tissue to reduce microorganisms
D change in genetic material

In general science, diabetes mellitus refers to:

A selectively permeable boundary around a cell
B disorder characterised by chronic high blood glucose
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 metabolism?

A molecule carrying hereditary information
B sum of chemical reactions in an organism
C tissue involved in blood-cell production
D contractile tissue

In general science, vitamin B1 refers to:

A thiamine, important in carbohydrate metabolism and nerve function
B stores and concentrates bile
C hormone that lowers blood glucose
D system digesting food and absorbing nutrients

In general science, red blood cells refers to:

A energy-releasing metabolism without oxygen as required by the pathway
B major neural pathway between brain and peripheral nervous system
C allele expressed in simple Mendelian inheritance when no dominant allele masks it
D cells transporting oxygen mainly using haemoglobin

In general science, chromosome refers to:

A acute diarrhoeal disease caused by Vibrio cholerae
B immune protein that specifically binds an antigen
C DNA-protein structure carrying genetic information
D persistently elevated arterial blood pressure

What is the best description of ovum?

A allele expressed in simple Mendelian inheritance when no dominant allele masks it
B female human gamete
C energy-releasing metabolism without oxygen as required by the pathway
D organ enabling exchange between maternal and fetal circulations

Which statement correctly identifies respiratory system?

A absorbs water/electrolytes and forms faeces
B system responsible for ventilation and gas exchange
C cells involved in immune defence
D fluid of lymphatic system involved in immunity and fluid balance

In general science, lymph refers to:

A fluid of lymphatic system involved in immunity and fluid balance
B fluid excreted by kidneys containing metabolic wastes
C tiny vessels where exchange with tissues occurs
D major site of digestion and nutrient absorption

Which of the following is most closely associated with liver?

A male human gamete
B transmission of genetic traits between generations
C large gland involved in metabolism and bile production
D immediate non-specific defence

Which statement correctly identifies sexual reproduction?

A reproduction involving fusion of gametes
B principal immediate energy currency of cells
C period of reproductive maturation and secondary sexual characteristics
D scientist whose pea experiments established foundational inheritance laws

Which statement correctly identifies adaptive immunity?

A human immunodeficiency virus
B specific immune response with memory
C chronic inflammatory airway disorder
D drug acting against susceptible bacteria

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

A tissue covering surfaces and lining cavities
B organ enabling exchange between maternal and fetal circulations
C allele expressed in simple Mendelian inheritance when no dominant allele masks it
D reproduction involving one parent and generally no gamete fusion

In general science, liver refers to:

A substance applied to living tissue to reduce microorganisms
B viral liver infection caused by hepatitis B virus
C large gland involved in metabolism and bile production
D Plasmodium infection transmitted by infected female Anopheles mosquitoes

What is the best description of dengue?

A viral disease mainly transmitted by Aedes mosquitoes
B fluid connective tissue
C basic structural and functional unit of life
D functional unit/segment of genetic information

In general science, vaccine refers to:

A energy-dense macronutrient important in membranes
B enteric fever caused by Salmonella Typhi
C heart-muscle damage due to inadequate coronary blood supply
D preparation that stimulates protective immune responses