General Science

What is the best description of DNA?

A molecule carrying hereditary information
B organ producing digestive enzymes and hormones including insulin
C system of hormone-secreting glands
D major muscle aiding breathing

What is the best description of nervous tissue?

A chronic inflammatory airway disorder
B tissue specialised for receiving and transmitting signals
C human immunodeficiency virus
D specific immune response with memory

What is the best description of spinal cord?

A biological catalyst, usually a protein
B major neural pathway between brain and peripheral nervous system
C place where two or more bones meet
D differential survival and reproduction of heritable variants

What is the best description of glucagon?

A hormone that raises blood glucose
B change in genetic material
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 balanced diet?

A sum of chemical reactions in an organism
B diet providing required nutrients and energy in suitable amounts
C change in heritable population characteristics over generations
D genetic constitution for a trait

Which statement correctly identifies liver?

A large gland involved in metabolism and bile production
B enteric fever caused by Salmonella Typhi
C heart-muscle damage due to inadequate coronary blood supply
D energy-dense macronutrient important in membranes

Which of the following is most closely associated with vitamin B1?

A hormone promoting growth and influencing metabolism
B mineral important for bones, muscles and nerves
C removal of metabolic waste products
D thiamine, important in carbohydrate metabolism and nerve function

Which statement correctly identifies nervous tissue?

A reproduction involving one parent and generally no gamete fusion
B immune protein that specifically binds an antigen
C tissue specialised for receiving and transmitting signals
D organ enabling exchange between maternal and fetal circulations

In general science, small intestine refers to:

A fatal viral infection usually transmitted through infected animal saliva
B brain injury due to interrupted blood flow or bleeding
C major site of digestion and nutrient absorption
D diet providing required nutrients and energy in suitable amounts

Which statement correctly identifies gallbladder?

A advanced HIV disease with severe immune suppression
B stores and concentrates bile
C infectious disease caused mainly by Mycobacterium tuberculosis
D drug acting against susceptible bacteria

Which statement correctly identifies fat?

A energy-dense macronutrient important in membranes
B advanced HIV disease with severe immune suppression
C infectious disease caused mainly by Mycobacterium tuberculosis
D drug acting against susceptible bacteria

In general science, dengue refers to:

A tiny vessels where exchange with tissues occurs
B viral disease mainly transmitted by Aedes mosquitoes
C organ involved in storage and digestion
D functional unit of kidney

What is the best description of fat?

A energy-dense macronutrient important in membranes
B persistently elevated arterial blood pressure
C acute diarrhoeal disease caused by Vibrio cholerae
D macronutrient made of amino acids

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

A Plasmodium infection transmitted by infected female Anopheles mosquitoes
B reduced oxygen-carrying capacity of blood, commonly due to low haemoglobin
C mineral essential for haemoglobin
D vitamin important for calcium/phosphate balance and bone health

Which statement correctly identifies urine?

A substance applied to living tissue to reduce microorganisms
B change in genetic material
C cell formed by gamete fusion
D fluid excreted by kidneys containing metabolic wastes

What is the best description of diabetes mellitus?

A drug acting against susceptible bacteria
B observable characteristics resulting from genotype and environment
C disorder characterised by chronic high blood glucose
D fusion of male and female gametes

Which statement correctly identifies red blood cells?

A change in heritable population characteristics over generations
B female human gamete
C cells transporting oxygen mainly using haemoglobin
D genetic constitution for a trait

In general science, capillaries refers to:

A tiny vessels where exchange with tissues occurs
B large gland involved in metabolism and bile production
C air sacs where major lung gas exchange occurs
D cell fragments important in blood clotting

Which statement correctly identifies asexual reproduction?

A female human gamete
B reproduction involving one parent and generally no gamete fusion
C genetic constitution for a trait
D change in heritable population characteristics over generations

In general science, anaemia refers to:

A allele expressed in simple Mendelian inheritance when no dominant allele masks it
B energy-releasing metabolism without oxygen as required by the pathway
C reduced oxygen-carrying capacity of blood, commonly due to low haemoglobin
D major neural pathway between brain and peripheral nervous system

What is the best description of gene?

A vitamin important for calcium/phosphate balance and bone health
B functional unit of kidney
C thyroid hormone regulating metabolic processes
D functional unit/segment of genetic information

Which of the following is most closely associated with tuberculosis?

A fluid excreted by kidneys containing metabolic wastes
B infectious disease caused mainly by Mycobacterium tuberculosis
C major site of digestion and nutrient absorption
D fluid of lymphatic system involved in immunity and fluid balance

Which statement correctly identifies reproduction?

A drug acting against susceptible bacteria
B cell formed by gamete fusion
C biological process producing offspring
D change in genetic material

What is the best description of phenotype?

A tiny vessels where exchange with tissues occurs
B observable characteristics resulting from genotype and environment
C cells transporting oxygen mainly using haemoglobin
D organ involved in storage and digestion

Which of the following is most closely associated with phenotype?

A vitamin important for blood formation and nervous function
B macronutrient made of amino acids
C disorder characterised by chronic high blood glucose
D observable characteristics resulting from genotype and environment