General Science

What is the best description of aerobic respiration?

A advanced HIV disease with severe immune suppression
B excessive body fat that may impair health
C infectious disease caused mainly by Mycobacterium tuberculosis
D cellular energy release using oxygen

What is the best description of stomach?

A removal of metabolic waste products
B absorbs water/electrolytes and forms faeces
C hormone promoting growth and influencing metabolism
D organ involved in storage and digestion

In general science, excretion refers to:

A major neural pathway between brain and peripheral nervous system
B allele expressed in simple Mendelian inheritance when no dominant allele masks it
C energy-releasing metabolism without oxygen as required by the pathway
D removal of metabolic waste products

Which of the following is most closely associated with pancreas?

A allele expressed in simple Mendelian inheritance when no dominant allele masks it
B reproduction involving one parent and generally no gamete fusion
C organ producing digestive enzymes and hormones including insulin
D organ enabling exchange between maternal and fetal circulations

Which statement correctly identifies fertilisation?

A fusion of male and female gametes
B biological catalyst, usually a protein
C molecule carrying hereditary information
D tissue involved in blood-cell production

Which statement correctly identifies antibiotic?

A substance recognised by immune system and capable of provoking response
B drug acting against susceptible bacteria
C enteric fever caused by Salmonella Typhi
D male human gamete

In general science, neuron refers to:

A nucleic acid involved in gene expression and protein synthesis
B specialised cell transmitting nervous signals
C biological catalyst, usually a protein
D place where two or more bones meet

Which of the following is most closely associated with neuron?

A organelles strongly associated with aerobic ATP production
B tissue covering surfaces and lining cavities
C specialised cell transmitting nervous signals
D cell fragments important in blood clotting

What is the best description of endocrine system?

A differential survival and reproduction of heritable variants
B transmission of genetic traits between generations
C system of hormone-secreting glands
D male human gamete

What is the best description of nephron?

A human immunodeficiency virus
B functional unit of kidney
C chronic inflammatory airway disorder
D specific immune response with memory

What is the best description of stroke?

A change in genetic material
B rapid involuntary response to a stimulus
C blood-group antigen system important in transfusion and pregnancy
D brain injury due to interrupted blood flow or bleeding

Which statement correctly identifies tissue?

A enteric fever caused by Salmonella Typhi
B heart-muscle damage due to inadequate coronary blood supply
C group of similar cells performing a common function
D energy-dense macronutrient important in membranes

Which of the following is most closely associated with heart?

A fluid containing enzymes such as amylase
B tissue specialised for receiving and transmitting signals
C muscular organ pumping blood
D vessels carrying blood toward heart

In general science, puberty refers to:

A period of reproductive maturation and secondary sexual characteristics
B functional unit of kidney
C tiny vessels where exchange with tissues occurs
D organ involved in storage and digestion

In general science, vitamin B12 refers to:

A maintenance of stable internal conditions
B large gland involved in metabolism and bile production
C vitamin important for blood formation and nervous function
D vitamin important for vision and epithelial health

In general science, asexual reproduction 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 major neural pathway between brain and peripheral nervous system
D reproduction involving one parent and generally no gamete fusion

What is the best description of gallbladder?

A acute diarrhoeal disease caused by Vibrio cholerae
B persistently elevated arterial blood pressure
C stores and concentrates bile
D major energy-yielding macronutrient

In general science, platelets refers to:

A place where two or more bones meet
B cell fragments important in blood clotting
C nucleic acid involved in gene expression and protein synthesis
D sum of chemical reactions in an organism

In general science, enzyme refers to:

A biological catalyst, usually a protein
B major neural pathway between brain and peripheral nervous system
C cellular energy release using oxygen
D allele expressed in a simple dominant-recessive pairing when present

Which of the following is most closely associated with platelets?

A cell fragments important in blood clotting
B iron-containing oxygen-carrying protein
C tissue covering surfaces and lining cavities
D organelles strongly associated with aerobic ATP production

What is the best description of vitamin E?

A fat-soluble antioxidant vitamin
B large gland involved in metabolism and bile production
C maintenance of stable internal conditions
D air sacs where major lung gas exchange occurs

Which statement correctly identifies haemoglobin?

A specialised cell transmitting nervous signals
B basic structural and functional unit of life
C iron-containing oxygen-carrying protein
D blood classification based mainly on A/B antigens on red cells

Which of the following is most closely associated with arteries?

A vessels carrying blood away from heart
B iron-containing oxygen-carrying protein
C major muscle aiding breathing
D organ producing digestive enzymes and hormones including insulin

Which of the following is most closely associated with veins?

A system responsible for ventilation and gas exchange
B absorbs water/electrolytes and forms faeces
C removal of metabolic waste products
D vessels carrying blood toward heart

In general science, skeleton refers to:

A framework of bones supporting and protecting body
B major muscle aiding breathing
C muscular organ pumping blood
D contractile tissue