WorksheetsPlant Processes 2023
Total questions: 27
Worksheet time: 17mins
A bag of mixed seeds was sprouted in a dark area. All the seed roots sprouted down. What caused this to happen?
Positive Phototropism
Negative Geotropism
Negative Phototropism
Positive Geotropism
Which of the following is the most correct equation for PHOTOSYNTHESIS?
CO2 + light + H2O --> O2 + Sugar
CO2 + sugar + H2O --> O2 + light
O2 + light + H2O --> CO2 + Sugar
CO2 + O2 + H2O --> Light+ Sugar
Which of the followings show ONLY factors that are necessary for photosynthesis?
Carbon Dioxide, Chlorophyll, Water and Glucose
Carbon Dioxide, radiant energy, chlorophyll and oxygen
Carbon Dioxide, Chlorophyll, Glucose, Water
Carbon Dioxide, radiant energy, water, chlorophyll
How are atoms and molecules within compounds changed during photosynthesis?
Carbon Dioxide and Oxygen recombine to form glucose and hydrogen
Glucose and Hydrogen recombine to form water and carbon dioxide
Carbon dioxide and water recombine to form glucose and oxygen
Hydrogen and water recombine to form glucose and carbon dioxide
What would make a plant open its stomata?
too much water in the soil
not enough water in the soil
too much sun
How many stomata would you predict a rainforest plant has?
fewer than most plants
about as much as most plants
more than most plants
What is the force inside the central vacuole called?
The Force
Turgor Pressure
Water Pressure
Thigmotropism
Vines that are growing up on a tree exhibit (show)
Hydrotropism
Geotropism / Gravitropism
Negative phototropism
Positive Phototropism
Which of the following BEST describes the flow of energy in a plant?
Chemical energy is absorbed by the mitochondria, stored as glucose and released in chloroplasts.
Chemical energy is absorbed by chloroplasts, stored as glucose and released in mitochondria
Radiant energy is absorbed by the chloroplasts, stored in glucose and released in mitochondria.
Radiant energy is absorbed by mitochondria, stored in glucose and released in chloroplasts
When the forces of cohesion and adhesion work together, water can move up the plant against the force of gravity by....
Phototropism
Geotropism
Photosynthesis
Capillary Action
Xylem tubes are made of...
Dead cells
Living cells
Recall the main function of a xylem cell.
To transport nutrients (mainly sucrose) to different parts of a plant.
To make energy for the plant via photosynthesis.
To transport carbon dioxide to the leaves for photosynthessis.
To transport water upward to different parts of plant.
curls up when touched
increases surface area
catches rain water
stores lipids for the plants
In vascular plants, the tissue composed of living tubular cells joined end to end in a series, conducts sugars from the leaves to all plant parts.
stomata
cuticle
petiole
phloem
In plants, the evaporation of water from the stomata of leaves.
petiole
transpiration
cuticle
stomata
How do guard cells help a plant maintain homeostasis?
Stabilizes a plant's temperature
Regulates the amount of water a plant loses during transpiration
Allowing oxygen needed for photosynthesis to enter the plant
Allows the plant to get rid of carbon dioxide made during photosynthesis
Which of the following might cause the guard cells to close the stomata?
Increase in carbon dioxide
Decrease in carbon dioxide
Increase of water in the soil
Decrease of water in the soil
Which of the following are factors responsible for life on earth?
Water, closeness to the sun, 78% nitrogen in the air
Radiant energy, photosynthesis, makeup of the atmospheric gases
Makeup of the atmospheric gases, closeness to the moon and water.
Closeness to the sun, water and the makeup of the atmospheric gases.
How many elements are in this chemical formula?
H2SO4
1
2
3
4
How many atoms of Carbon are in this formula? C6 H12O6
6
1
12
What is the total number of atoms in this formula? H2O2
2
4
3
