General Science

Which statement correctly identifies style?

A structure connecting stigma to ovary
B generally dead lignified tissue providing strength
C growth response to touch
D plant hormone promoting cell division

Which of the following is most closely associated with style?

A linear feeding sequence
B plant organ mainly anchoring and absorbing water/minerals
C process by which green plants use light to synthesise organic matter from CO2 and water
D structure connecting stigma to ovary

What is the best description of food web?

A plant response to relative duration of light and dark
B directional plant growth response to an external stimulus
C interconnected food chains
D nitrogen-fixing bacteria associated with legume root nodules

Which statement correctly identifies tissue culture?

A vascular tissue transporting sugars and other organic assimilates
B structure developing into a seed after fertilisation
C male reproductive part of a flower
D in-vitro cultivation of plant cells/tissues

In general science, phototropism refers to:

A growth response to light direction
B major organ for photosynthesis and gas exchange
C female reproductive structure
D organelle where photosynthesis occurs

Which of the following is most closely associated with leaf?

A resumption of embryo growth into a seedling
B part of stamen producing pollen
C transfer of pollen from anther to stigma
D major organ for photosynthesis and gas exchange

Which statement correctly identifies lateral meristem?

A directional plant growth response to an external stimulus
B meristem contributing to secondary growth in girth
C variety of life at genetic, species and ecosystem levels
D plant response to relative duration of light and dark

Which of the following is most closely associated with vegetative propagation?

A cohesion-tension contribution to upward xylem water movement
B pollen transfer between genetically different plants of same species
C generally dead lignified tissue providing strength
D asexual reproduction from vegetative plant parts

What is the best description of biodiversity?

A gaseous plant hormone involved in fruit ripening
B variety of life at genetic, species and ecosystem levels
C linear feeding sequence
D cellular oxidation releasing usable energy in plants

Which of the following is most closely associated with chloroplast?

A organelle where photosynthesis occurs
B plant hormone promoting cell division
C growth response to touch
D organism breaking down dead organic matter

In general science, long-day plant refers to:

A plant flowering when day length exceeds a critical value
B plant hormone associated with cell elongation and tropisms
C growth response to gravity
D organism producing organic matter, usually using light or chemical energy

In general science, transpiration refers to:

A gaseous plant hormone involved in fruit ripening
B cellular oxidation releasing usable energy in plants
C loss of water vapour from aerial plant parts
D epidermal extension increasing root absorption surface

What is the best description of seed?

A process by which green plants use light to synthesise organic matter from CO2 and water
B mature ovule containing an embryo
C part of stamen producing pollen
D plant organ mainly anchoring and absorbing water/minerals

Which of the following is most closely associated with petal?

A plant hormone promoting stem elongation and influencing germination
B living flexible support tissue
C loss of water vapour from aerial plant parts
D floral part often attracting pollinators

What is the best description of meristematic tissue?

A angiosperm process involving syngamy and triple fusion
B actively dividing plant tissue responsible for growth
C nitrogen-fixing bacteria associated with legume root nodules
D meristem contributing to secondary growth in girth

What is the best description of double fertilisation?

A organelle where photosynthesis occurs
B variety of life at genetic, species and ecosystem levels
C angiosperm process involving syngamy and triple fusion
D major organ for photosynthesis and gas exchange

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

A pollen transfer between genetically different plants of same species
B structure connecting stigma to ovary
C meristem contributing to secondary growth in girth
D mature ovule containing an embryo

Which of the following is most closely associated with lateral meristem?

A microscopic pores regulating leaf gas exchange and transpiration
B meristem contributing to secondary growth in girth
C reproductive structure of flowering plants
D surface receptive to pollen

Which statement correctly identifies germination?

A resumption of embryo growth into a seedling
B loss of water vapour from aerial plant parts
C living flexible support tissue
D transfer of pollen from anther to stigma

In general science, photosynthesis refers to:

A generally dead lignified tissue providing strength
B pollen transfer between genetically different plants of same species
C process by which green plants use light to synthesise organic matter from CO2 and water
D cohesion-tension contribution to upward xylem water movement

In general science, ovary refers to:

A movement of organic solutes through phloem
B interconnected food chains
C flower structure containing ovules
D green pigment absorbing light for photosynthesis

In general science, collenchyma refers to:

A living flexible support tissue
B part of stamen producing pollen
C transfer of pollen from anther to stigma
D plant organ mainly anchoring and absorbing water/minerals

In general science, sclerenchyma refers to:

A mature ovule containing an embryo
B flower structure containing ovules
C generally dead lignified tissue providing strength
D floral part often attracting pollinators

Which of the following is most closely associated with stigma?

A plant response to relative duration of light and dark
B organelle where photosynthesis occurs
C surface receptive to pollen
D variety of life at genetic, species and ecosystem levels

In general science, lateral meristem refers to:

A vascular tissue transporting sugars and other organic assimilates
B capacity of a plant cell to regenerate into a whole plant under suitable conditions
C organism breaking down dead organic matter
D meristem contributing to secondary growth in girth