General Science

What is the best description of calcium?

A organ filtering blood and forming urine
B hormone that raises blood glucose
C mineral important for bones, muscles and nerves
D vitamin important for collagen synthesis

What is the best description of recessive allele?

A major site of digestion and nutrient absorption
B fluid excreted by kidneys containing metabolic wastes
C allele expressed in simple Mendelian inheritance when no dominant allele masks it
D hormone associated with fight-or-flight response

Which of the following is most closely associated with puberty?

A system of hormone-secreting glands
B thiamine, important in carbohydrate metabolism and nerve function
C organ producing digestive enzymes and hormones including insulin
D period of reproductive maturation and secondary sexual characteristics

What is the best description of metabolism?

A genetic constitution for a trait
B specific immune response with memory
C sum of chemical reactions in an organism
D female human gamete

What is the best description of adaptive immunity?

A macronutrient made of amino acids
B disorder characterised by chronic high blood glucose
C specific immune response with memory
D viral disease mainly transmitted by Aedes mosquitoes

In general science, gallbladder refers to:

A substance recognised by immune system and capable of provoking response
B period of reproductive maturation and secondary sexual characteristics
C stores and concentrates bile
D reproduction involving fusion of gametes

What is the best description of placenta?

A organ enabling exchange between maternal and fetal circulations
B organelle containing most genetic material in eukaryotic cells
C major organ of central nervous system
D group of similar cells performing a common function

Which statement correctly identifies recessive allele?

A allele expressed in simple Mendelian inheritance when no dominant allele masks it
B macronutrient made of amino acids
C hormone that lowers blood glucose
D vitamin important for blood formation and nervous function

Which statement correctly identifies malnutrition?

A reproduction involving one parent and generally no gamete fusion
B organ enabling exchange between maternal and fetal circulations
C immune protein that specifically binds an antigen
D deficiency, excess or imbalance of nutrients

What is the best description of puberty?

A functional unit/segment of genetic information
B fluid connective tissue
C basic structural and functional unit of life
D period of reproductive maturation and secondary sexual characteristics

In general science, phenotype refers to:

A fluid excreted by kidneys containing metabolic wastes
B observable characteristics resulting from genotype and environment
C fat-soluble antioxidant vitamin
D hormone associated with fight-or-flight response

In general science, ribosome refers to:

A site of protein synthesis
B thyroid hormone regulating metabolic processes
C energy-dense macronutrient important in membranes
D vitamin important for calcium/phosphate balance and bone health

Which of the following is most closely associated with carbohydrate?

A organ enabling exchange between maternal and fetal circulations
B allele expressed in simple Mendelian inheritance when no dominant allele masks it
C major energy-yielding macronutrient
D reproduction involving one parent and generally no gamete fusion

Which statement correctly identifies mitochondria?

A stores and concentrates bile
B hormone that lowers blood glucose
C system digesting food and absorbing nutrients
D organelles strongly associated with aerobic ATP production

Which statement correctly identifies malaria?

A nucleic acid involved in gene expression and protein synthesis
B Plasmodium infection transmitted by infected female Anopheles mosquitoes
C vessels carrying blood away from heart
D tissue specialised for receiving and transmitting signals

Which statement correctly identifies digestive system?

A large gland involved in metabolism and bile production
B system digesting food and absorbing nutrients
C vitamin important for vision and epithelial health
D maintenance of stable internal conditions

Which of the following is most closely associated with small intestine?

A biological process producing offspring
B preparation that stimulates protective immune responses
C major site of digestion and nutrient absorption
D viral disease mainly transmitted by Aedes mosquitoes

What is the best description of pancreas?

A brain injury due to interrupted blood flow or bleeding
B diet providing required nutrients and energy in suitable amounts
C fat-soluble antioxidant vitamin
D organ producing digestive enzymes and hormones including insulin

In general science, bone marrow refers to:

A tissue involved in blood-cell production
B cell fragments important in blood clotting
C absorbs water/electrolytes and forms faeces
D system responsible for ventilation and gas exchange

Which statement correctly identifies joint?

A tissue supporting, binding or connecting structures
B place where two or more bones meet
C air sacs where major lung gas exchange occurs
D iron-containing oxygen-carrying protein

In general science, natural selection refers to:

A differential survival and reproduction of heritable variants
B preparation that stimulates protective immune responses
C disorder characterised by chronic high blood glucose
D viral disease mainly transmitted by Aedes mosquitoes

In general science, homeostasis refers to:

A rapid involuntary response to a stimulus
B maintenance of stable internal conditions
C selectively permeable boundary around a cell
D blood-group antigen system important in transfusion and pregnancy

What is the best description of ABO blood group?

A vitamin important for calcium/phosphate balance and bone health
B energy-dense macronutrient important in membranes
C heart-muscle damage due to inadequate coronary blood supply
D blood classification based mainly on A/B antigens on red cells

In general science, asthma refers to:

A functional unit/segment of genetic information
B vessels carrying blood toward heart
C chronic inflammatory airway disorder
D fluid connective tissue

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

A tissue supporting, binding or connecting structures
B cell formed by gamete fusion
C change in genetic material
D blood-group antigen system important in transfusion and pregnancy