General Science

What is the best description of fertilisation?

A fusion of male and female gametes
B rapid involuntary response to a stimulus
C change in genetic material
D blood-group antigen system important in transfusion and pregnancy

Which statement correctly identifies metabolism?

A sum of chemical reactions in an organism
B allele expressed in simple Mendelian inheritance when no dominant allele masks it
C organ enabling exchange between maternal and fetal circulations
D energy-releasing metabolism without oxygen as required by the pathway

What is the best description of mutation?

A stores and concentrates bile
B system digesting food and absorbing nutrients
C change in genetic material
D vessels carrying blood away from heart

Which statement correctly identifies anaemia?

A reduced oxygen-carrying capacity of blood, commonly due to low haemoglobin
B genetic constitution for a trait
C change in heritable population characteristics over generations
D female human gamete

What is the best description of insulin?

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

In general science, balanced diet refers to:

A diet providing required nutrients and energy in suitable amounts
B biological process producing offspring
C developing organism in early post-fertilisation stages
D allele expressed in a simple dominant-recessive pairing when present

What is the best description of rabies?

A tiny vessels where exchange with tissues occurs
B cells transporting oxygen mainly using haemoglobin
C fatal viral infection usually transmitted through infected animal saliva
D organ involved in storage and digestion

Which statement correctly identifies hepatitis B?

A viral liver infection caused by hepatitis B virus
B macronutrient made of amino acids
C vitamin important for blood formation and nervous function
D hormone that lowers blood glucose

In general science, malnutrition refers to:

A deficiency, excess or imbalance of nutrients
B blood classification based mainly on A/B antigens on red cells
C observable characteristics resulting from genotype and environment
D fusion of male and female gametes

In general science, AIDS refers to:

A thiamine, important in carbohydrate metabolism and nerve function
B advanced HIV disease with severe immune suppression
C mineral essential for haemoglobin
D reduced oxygen-carrying capacity of blood, commonly due to low haemoglobin

What is the best description of HIV?

A human immunodeficiency virus
B vessels carrying blood away from heart
C system digesting food and absorbing nutrients
D stores and concentrates bile

What is the best description of veins?

A site of protein synthesis
B vessels carrying blood toward heart
C principal immediate energy currency of cells
D framework of bones supporting and protecting body

Which statement correctly identifies vitamin D?

A hormone promoting growth and influencing metabolism
B removal of metabolic waste products
C absorbs water/electrolytes and forms faeces
D vitamin important for calcium/phosphate balance and bone health

In general science, urine refers to:

A fluid excreted by kidneys containing metabolic wastes
B biological catalyst, usually a protein
C transmission of genetic traits between generations
D differential survival and reproduction of heritable variants

In general science, large intestine refers to:

A absorbs water/electrolytes and forms faeces
B persistently elevated arterial blood pressure
C acute diarrhoeal disease caused by Vibrio cholerae
D immune protein that specifically binds an antigen

What is the best description of bone marrow?

A rapid involuntary response to a stimulus
B tissue involved in blood-cell production
C group of similar cells performing a common function
D organelle containing most genetic material in eukaryotic cells

Which of the following is most closely associated with urine?

A cellular energy release using oxygen
B major organ of central nervous system
C organelle containing most genetic material in eukaryotic cells
D fluid excreted by kidneys containing metabolic wastes

Which of the following is most closely associated with mutation?

A mineral important for bones, muscles and nerves
B excessive body fat that may impair health
C change in genetic material
D infectious disease caused mainly by Mycobacterium tuberculosis

Which statement correctly identifies ABO blood group?

A Plasmodium infection transmitted by infected female Anopheles mosquitoes
B reduced oxygen-carrying capacity of blood, commonly due to low haemoglobin
C blood classification based mainly on A/B antigens on red cells
D viral liver infection caused by hepatitis B virus

What is the best description of antibiotic?

A infectious disease caused mainly by Mycobacterium tuberculosis
B advanced HIV disease with severe immune suppression
C drug acting against susceptible bacteria
D excessive body fat that may impair health

What is the best description of sexual reproduction?

A fusion of male and female gametes
B specific immune response with memory
C observable characteristics resulting from genotype and environment
D reproduction involving fusion of gametes

What is the best description of evolution?

A change in heritable population characteristics over generations
B vitamin important for blood clotting
C deficiency, excess or imbalance of nutrients
D hormone promoting growth and influencing metabolism

What is the best description of saliva?

A air sacs where major lung gas exchange occurs
B organ producing digestive enzymes and hormones including insulin
C system of hormone-secreting glands
D fluid containing enzymes such as amylase

In general science, cholera refers to:

A hormone that lowers blood glucose
B stores and concentrates bile
C system digesting food and absorbing nutrients
D acute diarrhoeal disease caused by Vibrio cholerae

What is the best description of alveoli?

A system responsible for ventilation and gas exchange
B cell fragments important in blood clotting
C tissue covering surfaces and lining cavities
D air sacs where major lung gas exchange occurs