General Science

Which statement correctly identifies stamen?

A flower structure containing ovules
B male reproductive part of a flower
C part protecting the developing flower bud
D mature ovule containing an embryo

What is the best description of stigma?

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

Which statement correctly identifies petal?

A transfer of pollen from anther to stigma
B vascular tissue transporting sugars and other organic assimilates
C part of stamen producing pollen
D floral part often attracting pollinators

Which of the following is most closely associated with Rhizobium?

A epidermal extension increasing root absorption surface
B plant hormone associated with stomatal closure and stress responses
C nitrogen-fixing bacteria associated with legume root nodules
D movement of organic solutes through phloem

Which of the following is most closely associated with stem?

A female reproductive structure
B plant organ supporting aerial parts and conducting materials
C major organ for photosynthesis and gas exchange
D pollen transfer between genetically different plants of same species

Which statement correctly identifies chlorophyll?

A surface receptive to pollen
B fusion of male and female gametes
C green pigment absorbing light for photosynthesis
D actively dividing plant tissue responsible for growth

Which of the following is most closely associated with sepal?

A epidermal extension increasing root absorption surface
B part protecting the developing flower bud
C fusion of male and female gametes
D actively dividing plant tissue responsible for growth

Which of the following is most closely associated with filament?

A growth response to touch
B plant hormone promoting cell division
C stalk supporting the anther
D organism breaking down dead organic matter

Which of the following is most closely associated with phloem?

A in-vitro cultivation of plant cells/tissues
B vascular tissue transporting sugars and other organic assimilates
C male reproductive part of a flower
D vascular tissue conducting water and minerals mainly upward

In general science, Rhizobium refers to:

A differentiated tissue generally no longer actively dividing
B nitrogen-fixing bacteria associated with legume root nodules
C plant hormone associated with cell elongation and tropisms
D mature ovary, often with accessory tissues

What is the best description of permanent tissue?

A structures housing symbiotic nitrogen-fixing bacteria
B differentiated tissue generally no longer actively dividing
C growth response to light direction
D plant flowering when day length is below a critical value

Which of the following is most closely associated with hydrotropism?

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

In general science, guard cells refers to:

A plant hormone promoting stem elongation and influencing germination
B cells regulating stomatal opening
C growth response to water
D organism producing organic matter, usually using light or chemical energy

In general science, transpiration pull refers to:

A growth response to water
B plant hormone promoting stem elongation and influencing germination
C cohesion-tension contribution to upward xylem water movement
D organism producing organic matter, usually using light or chemical energy

Which of the following is most closely associated with fruit?

A conversion of atmospheric nitrogen into biologically usable forms
B plant hormone associated with stomatal closure and stress responses
C mature ovary, often with accessory tissues
D movement of organic solutes through phloem

Which of the following is most closely associated with parenchyma?

A living tissue often involved in storage/photosynthesis
B male reproductive part of a flower
C structure developing into a seed after fertilisation
D mature ovary, often with accessory tissues

What is the best description of sepal?

A cells regulating stomatal opening
B plant flowering when day length exceeds a critical value
C asexual reproduction from vegetative plant parts
D part protecting the developing flower bud

Which of the following is most closely associated with stamen?

A male reproductive part of a flower
B structures housing symbiotic nitrogen-fixing bacteria
C growth response to light direction
D differentiated tissue generally no longer actively dividing

What is the best description of producer?

A angiosperm process involving syngamy and triple fusion
B meristem at root/shoot tips causing primary growth
C conversion of atmospheric nitrogen into biologically usable forms
D organism producing organic matter, usually using light or chemical energy

Which statement correctly identifies tropism?

A cellular oxidation releasing usable energy in plants
B directional plant growth response to an external stimulus
C linear feeding sequence
D process by which green plants use light to synthesise organic matter from CO2 and water

What is the best description of leaf?

A interconnected food chains
B movement of organic solutes through phloem
C major organ for photosynthesis and gas exchange
D plant hormone associated with stomatal closure and stress responses

Which of the following is most closely associated with seed?

A structures housing symbiotic nitrogen-fixing bacteria
B differentiated tissue generally no longer actively dividing
C mature ovule containing an embryo
D growth response to light direction

What is the best description of collenchyma?

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

In general science, root nodules refers to:

A conversion of atmospheric nitrogen into biologically usable forms
B structures housing symbiotic nitrogen-fixing bacteria
C directional plant growth response to an external stimulus
D meristem at root/shoot tips causing primary growth

Which of the following is most closely associated with plant respiration?

A nitrogen-fixing bacteria associated with legume root nodules
B meristem contributing to secondary growth in girth
C directional plant growth response to an external stimulus
D cellular oxidation releasing usable energy in plants