General Science

What is the best description of asexual reproduction?

A substance applied to living tissue to reduce microorganisms
B reproduction involving one parent and generally no gamete fusion
C viral liver infection caused by hepatitis B virus
D developing organism in early post-fertilisation stages

Which statement correctly identifies sperm?

A cellular energy release using oxygen
B allele expressed in a simple dominant-recessive pairing when present
C major organ of central nervous system
D male human gamete

In general science, glucagon refers to:

A organelle containing most genetic material in eukaryotic cells
B hormone that raises blood glucose
C cells involved in immune defence
D group of similar cells performing a common function

Which statement correctly identifies reflex action?

A basic structural and functional unit of life
B sum of chemical reactions in an organism
C rapid involuntary response to a stimulus
D change in heritable population characteristics over generations

Which of the following is most closely associated with placenta?

A fluid containing enzymes such as amylase
B hormone that raises blood glucose
C organ filtering blood and forming urine
D organ enabling exchange between maternal and fetal circulations

Which statement correctly identifies antibody?

A immune protein that specifically binds an antigen
B brain injury due to interrupted blood flow or bleeding
C fat-soluble antioxidant vitamin
D diet providing required nutrients and energy in suitable amounts

What is the best description of neuron?

A scientist whose pea experiments established foundational inheritance laws
B reproduction involving fusion of gametes
C period of reproductive maturation and secondary sexual characteristics
D specialised cell transmitting nervous signals

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

A change in heritable population characteristics over generations
B genetic constitution for a trait
C sum of chemical reactions in an organism
D contractile tissue

Which statement correctly identifies epithelial tissue?

A disorder characterised by chronic high blood glucose
B preparation that stimulates protective immune responses
C tissue covering surfaces and lining cavities
D viral disease mainly transmitted by Aedes mosquitoes

Which of the following is most closely associated with cell?

A hormone that lowers blood glucose
B stores and concentrates bile
C vitamin important for blood formation and nervous function
D basic structural and functional unit of life

Which statement correctly identifies placenta?

A nucleic acid involved in gene expression and protein synthesis
B vessels carrying blood away from heart
C tissue specialised for receiving and transmitting signals
D organ enabling exchange between maternal and fetal circulations

What is the best description of sperm?

A differential survival and reproduction of heritable variants
B reproduction involving fusion of gametes
C transmission of genetic traits between generations
D male human gamete

Which of the following is most closely associated with gallbladder?

A change in genetic material
B blood-group antigen system important in transfusion and pregnancy
C stores and concentrates bile
D cell formed by gamete fusion

In general science, iron refers to:

A mineral essential for haemoglobin
B acute diarrhoeal disease caused by Vibrio cholerae
C persistently elevated arterial blood pressure
D immune protein that specifically binds an antigen

Which of the following is most closely associated with vaccine?

A preparation that stimulates protective immune responses
B biological process producing offspring
C Plasmodium infection transmitted by infected female Anopheles mosquitoes
D viral liver infection caused by hepatitis B virus

In general science, ATP refers to:

A period of reproductive maturation and secondary sexual characteristics
B biological catalyst, usually a protein
C scientist whose pea experiments established foundational inheritance laws
D principal immediate energy currency of cells

Which statement correctly identifies heart?

A biological catalyst, usually a protein
B tissue involved in blood-cell production
C molecule carrying hereditary information
D muscular organ pumping blood

What is the best description of thyroxine?

A thyroid hormone regulating metabolic processes
B change in heritable population characteristics over generations
C place where two or more bones meet
D sum of chemical reactions in an organism

What is the best description of enzyme?

A cell formed by gamete fusion
B substance applied to living tissue to reduce microorganisms
C biological catalyst, usually a protein
D viral liver infection caused by hepatitis B virus

Which of the following is most closely associated with malaria?

A Plasmodium infection transmitted by infected female Anopheles mosquitoes
B organ filtering blood and forming urine
C fluid containing enzymes such as amylase
D hormone that raises blood glucose

Which of the following is most closely associated with cholera?

A acute diarrhoeal disease caused by Vibrio cholerae
B vitamin important for blood clotting
C hormone promoting growth and influencing metabolism
D removal of metabolic waste products

What is the best description of urine?

A substance recognised by immune system and capable of provoking response
B enteric fever caused by Salmonella Typhi
C reproduction involving fusion of gametes
D fluid excreted by kidneys containing metabolic wastes

In general science, ABO blood group refers to:

A immediate non-specific defence
B male human gamete
C fatal viral infection usually transmitted through infected animal saliva
D blood classification based mainly on A/B antigens on red cells

Which statement correctly identifies carbohydrate?

A disorder characterised by chronic high blood glucose
B major energy-yielding macronutrient
C viral disease mainly transmitted by Aedes mosquitoes
D preparation that stimulates protective immune responses

Which statement correctly identifies glucagon?

A tissue involved in blood-cell production
B biological catalyst, usually a protein
C hormone that raises blood glucose
D molecule carrying hereditary information