General Science

Which of the following is most closely associated with metabolism?

A molecule carrying hereditary information
B sum of chemical reactions in an organism
C tissue involved in blood-cell production
D contractile tissue

In general science, vitamin B1 refers to:

A thiamine, important in carbohydrate metabolism and nerve function
B stores and concentrates bile
C hormone that lowers blood glucose
D system digesting food and absorbing nutrients

In general science, red blood cells refers to:

A energy-releasing metabolism without oxygen as required by the pathway
B major neural pathway between brain and peripheral nervous system
C allele expressed in simple Mendelian inheritance when no dominant allele masks it
D cells transporting oxygen mainly using haemoglobin

In general science, chromosome refers to:

A acute diarrhoeal disease caused by Vibrio cholerae
B immune protein that specifically binds an antigen
C DNA-protein structure carrying genetic information
D persistently elevated arterial blood pressure

What is the best description of ovum?

A allele expressed in simple Mendelian inheritance when no dominant allele masks it
B female human gamete
C energy-releasing metabolism without oxygen as required by the pathway
D organ enabling exchange between maternal and fetal circulations

Which statement correctly identifies respiratory system?

A absorbs water/electrolytes and forms faeces
B system responsible for ventilation and gas exchange
C cells involved in immune defence
D fluid of lymphatic system involved in immunity and fluid balance

In general science, lymph refers to:

A fluid of lymphatic system involved in immunity and fluid balance
B fluid excreted by kidneys containing metabolic wastes
C tiny vessels where exchange with tissues occurs
D major site of digestion and nutrient absorption

Which of the following is most closely associated with liver?

A male human gamete
B transmission of genetic traits between generations
C large gland involved in metabolism and bile production
D immediate non-specific defence

Which statement correctly identifies sexual reproduction?

A reproduction involving fusion of gametes
B principal immediate energy currency of cells
C period of reproductive maturation and secondary sexual characteristics
D scientist whose pea experiments established foundational inheritance laws

Which statement correctly identifies adaptive immunity?

A human immunodeficiency virus
B specific immune response with memory
C chronic inflammatory airway disorder
D drug acting against susceptible bacteria

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

A tissue covering surfaces and lining cavities
B organ enabling exchange between maternal and fetal circulations
C allele expressed in simple Mendelian inheritance when no dominant allele masks it
D reproduction involving one parent and generally no gamete fusion

In general science, liver refers to:

A substance applied to living tissue to reduce microorganisms
B viral liver infection caused by hepatitis B virus
C large gland involved in metabolism and bile production
D Plasmodium infection transmitted by infected female Anopheles mosquitoes

What is the best description of dengue?

A viral disease mainly transmitted by Aedes mosquitoes
B fluid connective tissue
C basic structural and functional unit of life
D functional unit/segment of genetic information

In general science, vaccine refers to:

A energy-dense macronutrient important in membranes
B enteric fever caused by Salmonella Typhi
C heart-muscle damage due to inadequate coronary blood supply
D preparation that stimulates protective immune responses

In general science, adrenaline refers to:

A muscular organ pumping blood
B major muscle aiding breathing
C contractile tissue
D hormone associated with fight-or-flight response

Which of the following is most closely associated with sperm?

A cell fragments important in blood clotting
B organelles strongly associated with aerobic ATP production
C male human gamete
D tissue covering surfaces and lining cavities

Which of the following is most closely associated with gene?

A preparation that stimulates protective immune responses
B biological process producing offspring
C functional unit/segment of genetic information
D viral disease mainly transmitted by Aedes mosquitoes

In general science, calcium refers to:

A brain injury due to interrupted blood flow or bleeding
B mineral important for bones, muscles and nerves
C fatal viral infection usually transmitted through infected animal saliva
D diet providing required nutrients and energy in suitable amounts

Which of the following is most closely associated with sexual reproduction?

A molecule carrying hereditary information
B contractile tissue
C reproduction involving fusion of gametes
D tissue involved in blood-cell production

Which of the following is most closely associated with Rh factor?

A fusion of male and female gametes
B observable characteristics resulting from genotype and environment
C blood classification based mainly on A/B antigens on red cells
D blood-group antigen system important in transfusion and pregnancy

In general science, vitamin E refers to:

A macronutrient made of amino acids
B disorder characterised by chronic high blood glucose
C fat-soluble antioxidant vitamin
D thiamine, important in carbohydrate metabolism and nerve function

In general science, ovum refers to:

A site of protein synthesis
B framework of bones supporting and protecting body
C tissue supporting, binding or connecting structures
D female human gamete

What is the best description of Mendel?

A vitamin important for collagen synthesis
B hormone that raises blood glucose
C organ filtering blood and forming urine
D scientist whose pea experiments established foundational inheritance laws

Which of the following is most closely associated with ovum?

A tiny vessels where exchange with tissues occurs
B DNA-protein structure carrying genetic information
C female human gamete
D cells transporting oxygen mainly using haemoglobin

In general science, mutation refers to:

A change in genetic material
B major energy-yielding macronutrient
C vitamin important for collagen synthesis
D hormone that raises blood glucose