General Science

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

Which of the following is most closely associated with RNA?

A substance recognised by immune system and capable of provoking response
B heart-muscle damage due to inadequate coronary blood supply
C enteric fever caused by Salmonella Typhi
D nucleic acid involved in gene expression and protein synthesis

In general science, kidney refers to:

A organ filtering blood and forming urine
B biological process producing offspring
C developing organism in early post-fertilisation stages
D allele expressed in a simple dominant-recessive pairing when present

In general science, saliva refers to:

A vitamin important for blood formation and nervous function
B disorder characterised by chronic high blood glucose
C macronutrient made of amino acids
D fluid containing enzymes such as amylase

What is the best description of respiratory system?

A muscular organ pumping blood
B contractile tissue
C system responsible for ventilation and gas exchange
D molecule carrying hereditary information

Which statement correctly identifies kidney?

A organ filtering blood and forming urine
B fatal viral infection usually transmitted through infected animal saliva
C male human gamete
D immediate non-specific defence

In general science, aerobic respiration refers to:

A cell formed by gamete fusion
B substance applied to living tissue to reduce microorganisms
C cellular energy release using oxygen
D change in genetic material

In general science, nucleus refers to:

A organ producing digestive enzymes and hormones including insulin
B organelle containing most genetic material in eukaryotic cells
C system of hormone-secreting glands
D thiamine, important in carbohydrate metabolism and nerve function

Which statement correctly identifies vitamin C?

A organ producing digestive enzymes and hormones including insulin
B major muscle aiding breathing
C system of hormone-secreting glands
D vitamin important for collagen synthesis

Which of the following is most closely associated with ABO blood group?

A developing organism in early post-fertilisation stages
B blood classification based mainly on A/B antigens on red cells
C allele expressed in a simple dominant-recessive pairing when present
D biological process producing offspring

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

A reproduction involving one parent and generally no gamete fusion
B functional unit/segment of genetic information
C basic structural and functional unit of life
D specialised cell transmitting nervous signals

In general science, dominant allele refers to:

A reduced oxygen-carrying capacity of blood, commonly due to low haemoglobin
B allele expressed in a simple dominant-recessive pairing when present
C thiamine, important in carbohydrate metabolism and nerve function
D mineral essential for haemoglobin

Which of the following is most closely associated with lymph?

A vitamin important for blood formation and nervous function
B fluid of lymphatic system involved in immunity and fluid balance
C stores and concentrates bile
D hormone that lowers blood glucose

Which statement correctly identifies evolution?

A persistently elevated arterial blood pressure
B change in heritable population characteristics over generations
C major energy-yielding macronutrient
D acute diarrhoeal disease caused by Vibrio cholerae

Which statement correctly identifies lymph?

A fluid of lymphatic system involved in immunity and fluid balance
B tissue supporting, binding or connecting structures
C major muscle aiding breathing
D iron-containing oxygen-carrying protein