General Science

Which of the following is most closely associated with phototropism?

A structure developing into a seed after fertilisation
B male reproductive part of a flower
C growth response to light direction
D mature ovary, often with accessory tissues

Which statement correctly identifies totipotency?

A angiosperm process involving syngamy and triple fusion
B part protecting the developing flower bud
C structure connecting stigma to ovary
D capacity of a plant cell to regenerate into a whole plant under suitable conditions

Which statement correctly identifies double fertilisation?

A angiosperm process involving syngamy and triple fusion
B male reproductive part of a flower
C structure developing into a seed after fertilisation
D vascular tissue transporting sugars and other organic assimilates

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

A floral part often attracting pollinators
B meristem at root/shoot tips causing primary growth
C vascular tissue conducting water and minerals mainly upward
D in-vitro cultivation of plant cells/tissues

Which of the following is most closely associated with abscisic acid?

A reproductive structure of flowering plants
B microscopic pores regulating leaf gas exchange and transpiration
C surface receptive to pollen
D plant hormone associated with stomatal closure and stress responses

What is the best description of decomposer?

A generally dead lignified tissue providing strength
B cohesion-tension contribution to upward xylem water movement
C plant hormone promoting cell division
D organism breaking down dead organic matter

What is the best description of pollination?

A growth response to light direction
B plant flowering when day length is below a critical value
C structures housing symbiotic nitrogen-fixing bacteria
D transfer of pollen from anther to stigma

What is the best description of stamen?

A male reproductive part of a flower
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 stalk supporting the anther

Which statement correctly identifies biodiversity?

A variety of life at genetic, species and ecosystem levels
B in-vitro cultivation of plant cells/tissues
C vascular tissue conducting water and minerals mainly upward
D plant flowering when day length exceeds a critical value

What is the best description of petal?

A organelle where photosynthesis occurs
B major organ for photosynthesis and gas exchange
C floral part often attracting pollinators
D variety of life at genetic, species and ecosystem levels

Which of the following is most closely associated with translocation?

A epidermal extension increasing root absorption surface
B movement of organic solutes through phloem
C gaseous plant hormone involved in fruit ripening
D cellular oxidation releasing usable energy in plants

Which of the following is most closely associated with flower?

A mature ovule containing an embryo
B reproductive structure of flowering plants
C meristem contributing to secondary growth in girth
D flower structure containing ovules

What is the best description of abscisic acid?

A plant hormone associated with cell elongation and tropisms
B growth response to water
C living tissue often involved in storage/photosynthesis
D plant hormone associated with stomatal closure and stress responses

What is the best description of guard cells?

A cells regulating stomatal opening
B transfer of pollen from anther to stigma
C resumption of embryo growth into a seedling
D living tissue often involved in storage/photosynthesis

Which statement correctly identifies photoperiodism?

A living tissue often involved in storage/photosynthesis
B resumption of embryo growth into a seedling
C transfer of pollen from anther to stigma
D plant response to relative duration of light and dark

Which statement correctly identifies xylem?

A growth response to touch
B generally dead lignified tissue providing strength
C plant hormone promoting cell division
D vascular tissue conducting water and minerals mainly upward

In general science, sepal refers to:

A male reproductive part of a flower
B part protecting the developing flower bud
C mature ovary, often with accessory tissues
D structure developing into a seed after fertilisation

Which statement correctly identifies sepal?

A green pigment absorbing light for photosynthesis
B plant organ supporting aerial parts and conducting materials
C part protecting the developing flower bud
D female reproductive structure

What is the best description of parenchyma?

A interconnected food chains
B movement of organic solutes through phloem
C plant hormone associated with stomatal closure and stress responses
D living tissue often involved in storage/photosynthesis

What is the best description of ethylene?

A generally dead lignified tissue providing strength
B plant hormone promoting cell division
C cohesion-tension contribution to upward xylem water movement
D gaseous plant hormone involved in fruit ripening

In general science, apical meristem refers to:

A green pigment absorbing light for photosynthesis
B meristem at root/shoot tips causing primary growth
C movement of organic solutes through phloem
D interconnected food chains

What is the best description of cytokinin?

A angiosperm process involving syngamy and triple fusion
B plant hormone promoting cell division
C meristem at root/shoot tips causing primary growth
D conversion of atmospheric nitrogen into biologically usable forms

In general science, abscisic acid refers to:

A capacity of a plant cell to regenerate into a whole plant under suitable conditions
B plant hormone associated with stomatal closure and stress responses
C organism breaking down dead organic matter
D vascular tissue transporting sugars and other organic assimilates

Which of the following is most closely associated with double fertilisation?

A angiosperm process involving syngamy and triple fusion
B living flexible support tissue
C plant hormone promoting stem elongation and influencing germination
D loss of water vapour from aerial plant parts

What is the best description of ovule?

A plant hormone promoting stem elongation and influencing germination
B growth response to water
C structure developing into a seed after fertilisation
D living flexible support tissue