General Science

Which statement correctly identifies zygote?

A tissue covering surfaces and lining cavities
B major neural pathway between brain and peripheral nervous system
C organelles strongly associated with aerobic ATP production
D cell formed by gamete fusion

Which of the following is most closely associated with homeostasis?

A tissue involved in blood-cell production
B contractile tissue
C molecule carrying hereditary information
D maintenance of stable internal conditions

Which of the following is most closely associated with DNA?

A deficiency, excess or imbalance of nutrients
B molecule carrying hereditary information
C chronic inflammatory airway disorder
D human immunodeficiency virus

What is the best description of vaccine?

A vitamin important for collagen synthesis
B organ filtering blood and forming urine
C hormone that raises blood glucose
D preparation that stimulates protective immune responses

What is the best description of RNA?

A nucleic acid involved in gene expression and protein synthesis
B absorbs water/electrolytes and forms faeces
C removal of metabolic waste products
D hormone promoting growth and influencing metabolism

What is the best description of obesity?

A substance recognised by immune system and capable of provoking response
B reproduction involving fusion of gametes
C excessive body fat that may impair health
D enteric fever caused by Salmonella Typhi

Which of the following is most closely associated with bone marrow?

A tissue involved in blood-cell production
B fluid containing enzymes such as amylase
C organ filtering blood and forming urine
D hormone that raises blood glucose

Which of the following is most closely associated with asthma?

A chronic inflammatory airway disorder
B large gland involved in metabolism and bile production
C iron-containing oxygen-carrying protein
D air sacs where major lung gas exchange occurs

In general science, carbohydrate refers to:

A specific immune response with memory
B female human gamete
C human immunodeficiency virus
D major energy-yielding macronutrient

Which statement correctly identifies balanced diet?

A immediate non-specific defence
B fatal viral infection usually transmitted through infected animal saliva
C diet providing required nutrients and energy in suitable amounts
D male human gamete

Which of the following is most closely associated with natural selection?

A female human gamete
B human immunodeficiency virus
C specific immune response with memory
D differential survival and reproduction of heritable variants

Which of the following is most closely associated with reflex action?

A DNA-protein structure carrying genetic information
B cells transporting oxygen mainly using haemoglobin
C tiny vessels where exchange with tissues occurs
D rapid involuntary response to a stimulus

Which statement correctly identifies diaphragm?

A major muscle aiding breathing
B stores and concentrates bile
C system digesting food and absorbing nutrients
D hormone that lowers blood glucose

In general science, evolution refers to:

A infectious disease caused mainly by Mycobacterium tuberculosis
B advanced HIV disease with severe immune suppression
C drug acting against susceptible bacteria
D change in heritable population characteristics over generations

Which of the following is most closely associated with antibiotic?

A genetic constitution for a trait
B sum of chemical reactions in an organism
C change in heritable population characteristics over generations
D drug acting against susceptible bacteria

What is the best description of malnutrition?

A deficiency, excess or imbalance of nutrients
B chronic inflammatory airway disorder
C specific immune response with memory
D human immunodeficiency virus

In general science, reproduction refers to:

A differential survival and reproduction of heritable variants
B transmission of genetic traits between generations
C biological process producing offspring
D biological catalyst, usually a protein

In general science, cell membrane refers to:

A organ filtering blood and forming urine
B fluid containing enzymes such as amylase
C selectively permeable boundary around a cell
D hormone that raises blood glucose

In general science, innate immunity refers to:

A immediate non-specific defence
B fatal viral infection usually transmitted through infected animal saliva
C specific immune response with memory
D female human gamete

In general science, zygote refers to:

A functional unit/segment of genetic information
B cell formed by gamete fusion
C vessels carrying blood toward heart
D fluid connective tissue

What is the best description of epithelial tissue?

A tissue covering surfaces and lining cavities
B diet providing required nutrients and energy in suitable amounts
C brain injury due to interrupted blood flow or bleeding
D fat-soluble antioxidant vitamin

What is the best description of kidney?

A viral liver infection caused by hepatitis B virus
B organ filtering blood and forming urine
C Plasmodium infection transmitted by infected female Anopheles mosquitoes
D reduced oxygen-carrying capacity of blood, commonly due to low haemoglobin

In general science, hypertension refers to:

A sum of chemical reactions in an organism
B place where two or more bones meet
C persistently elevated arterial blood pressure
D nucleic acid involved in gene expression and protein synthesis

Which statement correctly identifies gene?

A mineral essential for haemoglobin
B reduced oxygen-carrying capacity of blood, commonly due to low haemoglobin
C functional unit/segment of genetic information
D thiamine, important in carbohydrate metabolism and nerve function

What is the best description of natural selection?

A thiamine, important in carbohydrate metabolism and nerve function
B system of hormone-secreting glands
C mineral essential for haemoglobin
D differential survival and reproduction of heritable variants