General Science

In general science, brain refers to:

A major organ of central nervous system
B group of similar cells performing a common function
C organelle containing most genetic material in eukaryotic cells
D cells involved in immune defence

Which statement correctly identifies protein?

A macronutrient made of amino acids
B enteric fever caused by Salmonella Typhi
C heart-muscle damage due to inadequate coronary blood supply
D energy-dense macronutrient important in membranes

In general science, typhoid refers to:

A vitamin important for vision and epithelial health
B enteric fever caused by Salmonella Typhi
C maintenance of stable internal conditions
D large gland involved in metabolism and bile production

What is the best description of antibody?

A immune protein that specifically binds an antigen
B mineral essential for haemoglobin
C thiamine, important in carbohydrate metabolism and nerve function
D system of hormone-secreting glands

Which of the following is most closely associated with adrenaline?

A major site of digestion and nutrient absorption
B fluid excreted by kidneys containing metabolic wastes
C fluid of lymphatic system involved in immunity and fluid balance
D hormone associated with fight-or-flight response

In general science, sexual reproduction refers to:

A selectively permeable boundary around a cell
B blood-group antigen system important in transfusion and pregnancy
C rapid involuntary response to a stimulus
D reproduction involving fusion of gametes

Which statement correctly identifies antigen?

A acute diarrhoeal disease caused by Vibrio cholerae
B substance recognised by immune system and capable of provoking response
C major energy-yielding macronutrient
D persistently elevated arterial blood pressure

What is the best description of large intestine?

A macronutrient made of amino acids
B vitamin important for blood formation and nervous function
C hormone that lowers blood glucose
D absorbs water/electrolytes and forms faeces

Which statement correctly identifies white blood cells?

A scientist whose pea experiments established foundational inheritance laws
B principal immediate energy currency of cells
C period of reproductive maturation and secondary sexual characteristics
D cells involved in immune defence

Which of the following is most closely associated with calcium?

A preparation that stimulates protective immune responses
B mineral important for bones, muscles and nerves
C biological process producing offspring
D viral disease mainly transmitted by Aedes mosquitoes

Which statement correctly identifies capillaries?

A vessels carrying blood away from heart
B tissue specialised for receiving and transmitting signals
C tiny vessels where exchange with tissues occurs
D nucleic acid involved in gene expression and protein synthesis

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