General Science

In general science, heredity refers to:

A hormone that lowers blood glucose
B transmission of genetic traits between generations
C stores and concentrates bile
D system digesting food and absorbing nutrients

Which of the following is most closely associated with aerobic respiration?

A differential survival and reproduction of heritable variants
B transmission of genetic traits between generations
C cellular energy release using oxygen
D sum of chemical reactions in an organism

Which of the following is most closely associated with Mendel?

A scientist whose pea experiments established foundational inheritance laws
B Plasmodium infection transmitted by infected female Anopheles mosquitoes
C viral liver infection caused by hepatitis B virus
D substance applied to living tissue to reduce microorganisms

Which of the following is most closely associated with genotype?

A thyroid hormone regulating metabolic processes
B genetic constitution for a trait
C energy-dense macronutrient important in membranes
D vitamin important for calcium/phosphate balance and bone health

What is the best description of blood?

A substance recognised by immune system and capable of provoking response
B reproduction involving fusion of gametes
C enteric fever caused by Salmonella Typhi
D fluid connective tissue

In general science, endocrine system refers to:

A system of hormone-secreting glands
B place where two or more bones meet
C sum of chemical reactions in an organism
D nucleic acid involved in gene expression and protein synthesis

In general science, digestive system refers to:

A thyroid hormone regulating metabolic processes
B energy-dense macronutrient important in membranes
C system digesting food and absorbing nutrients
D vitamin important for calcium/phosphate balance and bone health

Which of the following is most closely associated with evolution?

A change in heritable population characteristics over generations
B substance recognised by immune system and capable of provoking response
C reproduction involving fusion of gametes
D period of reproductive maturation and secondary sexual characteristics

Which of the following is most closely associated with capillaries?

A tiny vessels where exchange with tissues occurs
B functional unit of kidney
C organ involved in storage and digestion
D thyroid hormone regulating metabolic processes

Which of the following is most closely associated with nephron?

A framework of bones supporting and protecting body
B principal immediate energy currency of cells
C scientist whose pea experiments established foundational inheritance laws
D functional unit of kidney

Which statement correctly identifies dominant allele?

A vitamin important for calcium/phosphate balance and bone health
B functional unit of kidney
C allele expressed in a simple dominant-recessive pairing when present
D thyroid hormone regulating metabolic processes

What is the best description of malaria?

A major organ of central nervous system
B group of similar cells performing a common function
C Plasmodium infection transmitted by infected female Anopheles mosquitoes
D organelle containing most genetic material in eukaryotic cells

In general science, alveoli refers to:

A thiamine, important in carbohydrate metabolism and nerve function
B air sacs where major lung gas exchange occurs
C system of hormone-secreting glands
D organ producing digestive enzymes and hormones including insulin

Which statement correctly identifies excretion?

A female human gamete
B removal of metabolic waste products
C genetic constitution for a trait
D change in heritable population characteristics over generations

Which statement correctly identifies cholera?

A cells involved in immune defence
B acute diarrhoeal disease caused by Vibrio cholerae
C major site of digestion and nutrient absorption
D fluid of lymphatic system involved in immunity and fluid balance

Which statement correctly identifies bone marrow?

A tissue involved in blood-cell production
B vessels carrying blood away from heart
C tissue specialised for receiving and transmitting signals
D nucleic acid involved in gene expression and protein synthesis

What is the best description of vitamin K?

A vitamin important for blood clotting
B major site of digestion and nutrient absorption
C hormone associated with fight-or-flight response
D fluid excreted by kidneys containing metabolic wastes

What is the best description of zygote?

A change in heritable population characteristics over generations
B sum of chemical reactions in an organism
C place where two or more bones meet
D cell formed by gamete fusion

What is the best description of small intestine?

A vitamin important for calcium/phosphate balance and bone health
B major site of digestion and nutrient absorption
C thyroid hormone regulating metabolic processes
D functional unit of kidney

In general science, haemoglobin refers to:

A iron-containing oxygen-carrying protein
B site of protein synthesis
C framework of bones supporting and protecting body
D tissue supporting, binding or connecting structures

Which of the following is most closely associated with zygote?

A air sacs where major lung gas exchange occurs
B large gland involved in metabolism and bile production
C cell formed by gamete fusion
D iron-containing oxygen-carrying protein

Which statement correctly identifies phenotype?

A system of hormone-secreting glands
B major muscle aiding breathing
C observable characteristics resulting from genotype and environment
D organ producing digestive enzymes and hormones including insulin

In general science, muscle tissue refers to:

A contractile tissue
B developing organism in early post-fertilisation stages
C allele expressed in a simple dominant-recessive pairing when present
D biological process producing offspring

Which of the following is most closely associated with anaerobic respiration?

A principal immediate energy currency of cells
B framework of bones supporting and protecting body
C energy-releasing metabolism without oxygen as required by the pathway
D allele expressed in simple Mendelian inheritance when no dominant allele masks it

In general science, anaerobic respiration refers to:

A female human gamete
B change in heritable population characteristics over generations
C energy-releasing metabolism without oxygen as required by the pathway
D genetic constitution for a trait