The ash (a tree having a silver-gray bark) is a flowering plant (a plant that bears flowers).
The fucus, mucor, spirogyra and toadstool are all non-flowering plants (flowerless plants).

Plants feed on Carbon Dioxide gas (CO₂) during photosynthesis.

Carbon Dioxide gas (CO₂) is expired by plants (during respiration).

The seeds of a coniferous tree (like the pine and fir) are contained in its cones.

'Gramineae' is the scientific biological term used for the family of grasses.

The holly (a shrub/bush having shiny prickly leaves and red berries) is evergreen.

The larch (a tall deciduous tree of the pine family that bears small cones) is not an evergreen.

The mushroom (an edible fungus having a stem and a domed cap) does not contain chlorophyll.

The term 'organic food' is generally not applicable to a plant.

The pearl (a round creamy-white gem formed inside the shell of certain oysters) is not of plant origin.

The roots of turnip and carrot plants are consumed (eaten) by man.

The shallot (a small plant like the onion plant) cannot be classified as a grass.
The sugarcane, bamboo, wheat and vernal can all be classified as grasses.

The stems of celery and rhubarb plants are consumed (eaten) by man.

The sycamore (a large, tall deciduous timber-tree of the maple family having winged seeds) is not a herbaceous (soft-stemmed) plant.
The daisy, clover, marigold and buttercup are all herbaceous plants.

Wheat and other kinds of corn such as rice, maize, oats, rye and barley can all be classified as cereals.

Humus is the rich, dark organic material present in the soil which is formed by the decay of dead leaves and plants.

The seeds of a deciduous tree are contained in its fruits.

Germinating seeds respire rapidly as compared with leaves.

Animals respond to stimuli faster than plants.