General Science

In general science, decomposer refers to:

A interconnected food chains
B cellular oxidation releasing usable energy in plants
C green pigment absorbing light for photosynthesis
D organism breaking down dead organic matter

What is the best description of Rhizobium?

A vascular tissue conducting water and minerals mainly upward
B floral part often attracting pollinators
C flower structure containing ovules
D nitrogen-fixing bacteria associated with legume root nodules

Which statement correctly identifies stem?

A process by which green plants use light to synthesise organic matter from CO2 and water
B cellular oxidation releasing usable energy in plants
C plant organ supporting aerial parts and conducting materials
D linear feeding sequence

What is the best description of translocation?

A floral part often attracting pollinators
B flower structure containing ovules
C movement of organic solutes through phloem
D vascular tissue conducting water and minerals mainly upward

In general science, food chain refers to:

A vascular tissue transporting sugars and other organic assimilates
B organism producing organic matter, usually using light or chemical energy
C linear feeding sequence
D capacity of a plant cell to regenerate into a whole plant under suitable conditions

Which statement correctly identifies translocation?

A pollen transfer between genetically different plants of same species
B female reproductive structure
C movement of organic solutes through phloem
D cohesion-tension contribution to upward xylem water movement

Which statement correctly identifies gravitropism?

A reproductive structure of flowering plants
B microscopic pores regulating leaf gas exchange and transpiration
C growth response to gravity
D movement of seeds away from parent plant

Which statement correctly identifies ovule?

A structure developing into a seed after fertilisation
B plant response to relative duration of light and dark
C variety of life at genetic, species and ecosystem levels
D directional plant growth response to an external stimulus

In general science, germination refers to:

A resumption of embryo growth into a seedling
B directional plant growth response to an external stimulus
C meristem contributing to secondary growth in girth
D nitrogen-fixing bacteria associated with legume root nodules

Which statement correctly identifies transpiration?

A structures housing symbiotic nitrogen-fixing bacteria
B mature ovule containing an embryo
C loss of water vapour from aerial plant parts
D differentiated tissue generally no longer actively dividing

What is the best description of plant respiration?

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 part of stamen producing pollen
D plant organ mainly anchoring and absorbing water/minerals

What is the best description of long-day plant?

A plant flowering when day length exceeds a critical value
B structure developing into a seed after fertilisation
C differentiated tissue generally no longer actively dividing
D mature ovary, often with accessory tissues

In general science, permanent tissue refers to:

A asexual reproduction from vegetative plant parts
B differentiated tissue generally no longer actively dividing
C part protecting the developing flower bud
D cells regulating stomatal opening

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