General Science

Which of the following is most closely associated with photosynthesis?

A growth response to light direction
B process by which green plants use light to synthesise organic matter from CO2 and water
C structures housing symbiotic nitrogen-fixing bacteria
D differentiated tissue generally no longer actively dividing

What is the best description of lateral meristem?

A living flexible support tissue
B meristem contributing to secondary growth in girth
C growth response to water
D plant hormone promoting stem elongation and influencing germination

In general science, root hair refers to:

A surface receptive to pollen
B actively dividing plant tissue responsible for growth
C fusion of male and female gametes
D epidermal extension increasing root absorption surface

Which statement correctly identifies fruit?

A female reproductive structure
B actively dividing plant tissue responsible for growth
C mature ovary, often with accessory tissues
D pollen transfer between genetically different plants of same species

In general science, parenchyma refers to:

A living tissue often involved in storage/photosynthesis
B female reproductive structure
C organelle where photosynthesis occurs
D major organ for photosynthesis and gas exchange

Which of the following is most closely associated with biodiversity?

A structure developing into a seed after fertilisation
B mature ovary, often with accessory tissues
C male reproductive part of a flower
D variety of life at genetic, species and ecosystem levels

What is the best description of transpiration?

A cohesion-tension contribution to upward xylem water movement
B loss of water vapour from aerial plant parts
C stalk supporting the anther
D pollination involving the same plant in the relevant case

In general science, pollination refers to:

A cells regulating stomatal opening
B asexual reproduction from vegetative plant parts
C part protecting the developing flower bud
D transfer of pollen from anther to stigma

In general science, carpel/pistil refers to:

A epidermal extension increasing root absorption surface
B cellular oxidation releasing usable energy in plants
C gaseous plant hormone involved in fruit ripening
D female reproductive structure

In general science, leaf refers to:

A organelle where photosynthesis occurs
B reproductive structure of flowering plants
C surface receptive to pollen
D major organ for photosynthesis and gas exchange

Which statement correctly identifies phototropism?

A vascular tissue conducting water and minerals mainly upward
B growth response to light direction
C organism producing organic matter, usually using light or chemical energy
D in-vitro cultivation of plant cells/tissues

Which of the following is most closely associated with carpel/pistil?

A plant flowering when day length exceeds a critical value
B asexual reproduction from vegetative plant parts
C growth response to gravity
D female reproductive structure

Which statement correctly identifies food web?

A process by which green plants use light to synthesise organic matter from CO2 and water
B interconnected food chains
C organism breaking down dead organic matter
D growth response to touch

Which of the following is most closely associated with food chain?

A linear feeding sequence
B microscopic pores regulating leaf gas exchange and transpiration
C reproductive structure of flowering plants
D surface receptive to pollen

In general science, seed refers to:

A pollination involving the same plant in the relevant case
B cohesion-tension contribution to upward xylem water movement
C mature ovule containing an embryo
D generally dead lignified tissue providing strength

What is the best description of transpiration pull?

A living tissue often involved in storage/photosynthesis
B cohesion-tension contribution to upward xylem water movement
C mature ovary, often with accessory tissues
D structure developing into a seed after fertilisation

Which of the following is most closely associated with chlorophyll?

A movement of organic solutes through phloem
B plant hormone associated with stomatal closure and stress responses
C green pigment absorbing light for photosynthesis
D conversion of atmospheric nitrogen into biologically usable forms

Which of the following is most closely associated with decomposer?

A in-vitro cultivation of plant cells/tissues
B floral part often attracting pollinators
C organism breaking down dead organic matter
D vascular tissue conducting water and minerals mainly upward

Which statement correctly identifies permanent tissue?

A cellular oxidation releasing usable energy in plants
B process by which green plants use light to synthesise organic matter from CO2 and water
C linear feeding sequence
D differentiated tissue generally no longer actively dividing

What is the best description of chloroplast?

A part protecting the developing flower bud
B angiosperm process involving syngamy and triple fusion
C organelle where photosynthesis occurs
D structure connecting stigma to ovary

Which statement correctly identifies root?

A plant organ mainly anchoring and absorbing water/minerals
B directional plant growth response to an external stimulus
C variety of life at genetic, species and ecosystem levels
D plant response to relative duration of light and dark

What is the best description of auxin?

A stalk supporting the anther
B loss of water vapour from aerial plant parts
C pollination involving the same plant in the relevant case
D plant hormone associated with cell elongation and tropisms

What is the best description of gravitropism?

A growth response to touch
B organism breaking down dead organic matter
C capacity of a plant cell to regenerate into a whole plant under suitable conditions
D growth response to gravity

Which statement correctly identifies ethylene?

A plant flowering when day length exceeds a critical value
B gaseous plant hormone involved in fruit ripening
C growth response to gravity
D structures housing symbiotic nitrogen-fixing bacteria

Which statement correctly identifies filament?

A living flexible support tissue
B loss of water vapour from aerial plant parts
C pollination involving the same plant in the relevant case
D stalk supporting the anther