General Science

Which option best matches the scientific meaning of this term: stroke?

A biological catalyst, usually a protein
B tissue involved in blood-cell production
C molecule carrying hereditary information
D brain injury due to interrupted blood flow or bleeding

Select the scientifically correct interpretation of iron?

A macronutrient made of amino acids
B system of hormone-secreting glands
C thiamine, important in carbohydrate metabolism and nerve function
D mineral essential for haemoglobin

The term is correctly defined as: rabies?

A system of hormone-secreting glands
B organ producing digestive enzymes and hormones including insulin
C major muscle aiding breathing
D fatal viral infection usually transmitted through infected animal saliva

Which statement is most accurate for heredity?

A transmission of genetic traits between generations
B contractile tissue
C molecule carrying hereditary information
D muscular organ pumping blood

Identify the correct description of hear?

A group of similar cells performing a common function
B organelle containing most genetic material in eukaryotic cells
C cells involved in immune defence
D muscular organ pumping blood

Which option best matches the scientific meaning of this term: diaphrag?

A vitamin important for blood clotting
B major muscle aiding breathing
C removal of metabolic waste products
D hormone promoting growth and influencing metabolism

Select the scientifically correct interpretation of antigen?

A transmission of genetic traits between generations
B male human gamete
C immediate non-specific defence
D substance recognised by immune system and capable of provoking response

The term is correctly defined as: heart attack?

A heart-muscle damage due to inadequate coronary blood supply
B specialised cell transmitting nervous signals
C basic structural and functional unit of life
D blood classification based mainly on A/B antigens on red cells

Which statement is most accurate for respiratory syste?

A organ filtering blood and forming urine
B system responsible for ventilation and gas exchange
C hormone that raises blood glucose
D fluid containing enzymes such as amylase

Identify the correct description of nervous tissue?

A framework of bones supporting and protecting body
B principal immediate energy currency of cells
C tissue specialised for receiving and transmitting signals
D scientist whose pea experiments established foundational inheritance laws

Which option best matches the scientific meaning of this term: insuli?

A framework of bones supporting and protecting body
B hormone that lowers blood glucose
C tissue supporting, binding or connecting structures
D site of protein synthesis

In general science, cross-pollination refers to:

A transfer of pollen from anther to stigma
B plant organ mainly anchoring and absorbing water/minerals
C pollen transfer between genetically different plants of same species
D part of stamen producing pollen

In general science, tropism refers to:

A cells regulating stomatal opening
B directional plant growth response to an external stimulus
C asexual reproduction from vegetative plant parts
D part protecting the developing flower bud

Which of the following is most closely associated with totipotency?

A meristem contributing to secondary growth in girth
B capacity of a plant cell to regenerate into a whole plant under suitable conditions
C directional plant growth response to an external stimulus
D nitrogen-fixing bacteria associated with legume root nodules

In general science, style refers to:

A plant flowering when day length is below a critical value
B movement of seeds away from parent plant
C growth response to light direction
D structure connecting stigma to ovary

What is the best description of gibberellin?

A differentiated tissue generally no longer actively dividing
B plant hormone promoting stem elongation and influencing germination
C structure developing into a seed after fertilisation
D mature ovary, often with accessory tissues

Which statement correctly identifies carpel/pistil?

A differentiated tissue generally no longer actively dividing
B structures housing symbiotic nitrogen-fixing bacteria
C mature ovary, often with accessory tissues
D female reproductive structure

Which of the following is most closely associated with photoperiodism?

A organism breaking down dead organic matter
B plant hormone promoting stem elongation and influencing germination
C growth response to water
D plant response to relative duration of light and dark

Which statement correctly identifies ovary?

A plant flowering when day length exceeds a critical value
B flower structure containing ovules
C growth response to gravity
D plant hormone associated with cell elongation and tropisms

Which of the following is most closely associated with short-day plant?

A plant flowering when day length exceeds a critical value
B asexual reproduction from vegetative plant parts
C plant flowering when day length is below a critical value
D growth response to light direction

Which statement correctly identifies phloem?

A plant hormone associated with cell elongation and tropisms
B vascular tissue transporting sugars and other organic assimilates
C growth response to gravity
D plant flowering when day length exceeds a critical value

Which of the following is most closely associated with self-pollination?

A resumption of embryo growth into a seedling
B male reproductive part of a flower
C pollination involving the same plant in the relevant case
D structure developing into a seed after fertilisation

In general science, self-pollination refers to:

A organelle where photosynthesis occurs
B female reproductive structure
C major organ for photosynthesis and gas exchange
D pollination involving the same plant in the relevant case

Which statement correctly identifies stigma?

A conversion of atmospheric nitrogen into biologically usable forms
B surface receptive to pollen
C plant hormone associated with stomatal closure and stress responses
D meristem at root/shoot tips causing primary growth

Which statement correctly identifies guard cells?

A cells regulating stomatal opening
B conversion of atmospheric nitrogen into biologically usable forms
C plant hormone associated with stomatal closure and stress responses
D meristem at root/shoot tips causing primary growth