General Science

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

A stalk supporting the anther
B plant organ supporting aerial parts and conducting materials
C pollination involving the same plant in the relevant case
D differentiated tissue generally no longer actively dividing

What is the best description of totipotency?

A capacity of a plant cell to regenerate into a whole plant under suitable conditions
B part of stamen producing pollen
C process by which green plants use light to synthesise organic matter from CO2 and water
D plant organ mainly anchoring and absorbing water/minerals

Which statement correctly identifies transpiration pull?

A conversion of atmospheric nitrogen into biologically usable forms
B cohesion-tension contribution to upward xylem water movement
C plant hormone associated with stomatal closure and stress responses
D meristem at root/shoot tips causing primary growth

Which of the following is most closely associated with root?

A microscopic pores regulating leaf gas exchange and transpiration
B part protecting the developing flower bud
C plant organ mainly anchoring and absorbing water/minerals
D structure connecting stigma to ovary

Which statement correctly identifies decomposer?

A plant flowering when day length is below a critical value
B structures housing symbiotic nitrogen-fixing bacteria
C growth response to light direction
D organism breaking down dead organic matter

Which statement correctly identifies leaf?

A major organ for photosynthesis and gas exchange
B vascular tissue conducting water and minerals mainly upward
C organism producing organic matter, usually using light or chemical energy
D in-vitro cultivation of plant cells/tissues

Which of the following is most closely associated with cytokinin?

A plant hormone promoting cell division
B linear feeding sequence
C process by which green plants use light to synthesise organic matter from CO2 and water
D plant organ mainly anchoring and absorbing water/minerals

In general science, stomata refers to:

A epidermal extension increasing root absorption surface
B cellular oxidation releasing usable energy in plants
C microscopic pores regulating leaf gas exchange and transpiration
D gaseous plant hormone involved in fruit ripening

Which of the following is most closely associated with germination?

A growth response to touch
B plant hormone promoting cell division
C organism breaking down dead organic matter
D resumption of embryo growth into a seedling

In general science, translocation refers to:

A structures housing symbiotic nitrogen-fixing bacteria
B differentiated tissue generally no longer actively dividing
C mature ovary, often with accessory tissues
D movement of organic solutes through phloem

In general science, gibberellin refers to:

A plant hormone associated with cell elongation and tropisms
B organism producing organic matter, usually using light or chemical energy
C growth response to water
D plant hormone promoting stem elongation and influencing germination

Which statement correctly identifies flower?

A movement of seeds away from parent plant
B reproductive structure of flowering plants
C microscopic pores regulating leaf gas exchange and transpiration
D part protecting the developing flower bud

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