General Science

What is the best description of fruit?

A flower structure containing ovules
B vascular tissue conducting water and minerals mainly upward
C mature ovary, often with accessory tissues
D floral part often attracting pollinators

Which statement correctly identifies pollination?

A linear feeding sequence
B process by which green plants use light to synthesise organic matter from CO2 and water
C transfer of pollen from anther to stigma
D cellular oxidation releasing usable energy in plants

Which statement correctly identifies short-day plant?

A plant flowering when day length is below a critical value
B mature ovule containing an embryo
C nitrogen-fixing bacteria associated with legume root nodules
D meristem contributing to secondary growth in girth

In general science, stamen refers to:

A cohesion-tension contribution to upward xylem water movement
B male reproductive part of a flower
C pollen transfer between genetically different plants of same species
D generally dead lignified tissue providing strength

In general science, ovule refers to:

A capacity of a plant cell to regenerate into a whole plant under suitable conditions
B organism breaking down dead organic matter
C vascular tissue transporting sugars and other organic assimilates
D structure developing into a seed after fertilisation

In general science, auxin refers to:

A generally dead lignified tissue providing strength
B cellular oxidation releasing usable energy in plants
C gaseous plant hormone involved in fruit ripening
D plant hormone associated with cell elongation and tropisms

What is the best description of thigmotropism?

A growth response to touch
B major organ for photosynthesis and gas exchange
C variety of life at genetic, species and ecosystem levels
D organelle where photosynthesis occurs

What is the best description of root?

A plant hormone promoting stem elongation and influencing germination
B growth response to water
C plant organ mainly anchoring and absorbing water/minerals
D living flexible support tissue

In general science, tissue culture refers to:

A actively dividing plant tissue responsible for growth
B in-vitro cultivation of plant cells/tissues
C fusion of male and female gametes
D surface receptive to pollen

Which statement correctly identifies stomata?

A structures housing symbiotic nitrogen-fixing bacteria
B microscopic pores regulating leaf gas exchange and transpiration
C mature ovary, often with accessory tissues
D differentiated tissue generally no longer actively dividing

Which of the following is most closely associated with auxin?

A plant flowering when day length exceeds a critical value
B asexual reproduction from vegetative plant parts
C plant hormone associated with cell elongation and tropisms
D growth response to gravity

What is the best description of photosynthesis?

A stalk supporting the anther
B green pigment absorbing light for photosynthesis
C process by which green plants use light to synthesise organic matter from CO2 and water
D plant organ supporting aerial parts and conducting materials

What is the best description of flower?

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

Which of the following is most closely associated with root nodules?

A plant hormone promoting cell division
B structures housing symbiotic nitrogen-fixing bacteria
C organism breaking down dead organic matter
D growth response to touch

Which statement correctly identifies seed?

A structure connecting stigma to ovary
B part protecting the developing flower bud
C mature ovule containing an embryo
D angiosperm process involving syngamy and triple fusion

Which statement correctly identifies chloroplast?

A pollination involving the same plant in the relevant case
B living flexible support tissue
C loss of water vapour from aerial plant parts
D organelle where photosynthesis occurs

In general science, chlorophyll refers to:

A green pigment absorbing light for photosynthesis
B living tissue often involved in storage/photosynthesis
C resumption of embryo growth into a seedling
D plant hormone associated with cell elongation and tropisms

What is the best description of root nodules?

A reproductive structure of flowering plants
B structures housing symbiotic nitrogen-fixing bacteria
C fusion of male and female gametes
D surface receptive to pollen

In general science, stem refers to:

A cells regulating stomatal opening
B floral part often attracting pollinators
C asexual reproduction from vegetative plant parts
D plant organ supporting aerial parts and conducting materials

Which statement correctly identifies vegetative propagation?

A green pigment absorbing light for photosynthesis
B plant organ supporting aerial parts and conducting materials
C asexual reproduction from vegetative plant parts
D stalk supporting the anther

What is the best description of xylem?

A meristem contributing to secondary growth in girth
B nitrogen-fixing bacteria associated with legume root nodules
C vascular tissue conducting water and minerals mainly upward
D mature ovule containing an embryo

In general science, short-day plant refers to:

A growth response to touch
B plant hormone promoting cell division
C plant flowering when day length is below a critical value
D generally dead lignified tissue providing strength

Which of the following is most closely associated with tissue culture?

A in-vitro cultivation of plant cells/tissues
B resumption of embryo growth into a seedling
C plant hormone associated with cell elongation and tropisms
D living tissue often involved in storage/photosynthesis

What is the best description of stem?

A growth response to light direction
B structures housing symbiotic nitrogen-fixing bacteria
C plant organ supporting aerial parts and conducting materials
D plant flowering when day length is below a critical value

Which statement correctly identifies sclerenchyma?

A generally dead lignified tissue providing strength
B plant organ supporting aerial parts and conducting materials
C green pigment absorbing light for photosynthesis
D stalk supporting the anther