What Are Plant Structures?
Food is made in the leaves of plants. Which answer BEST explains the pathway of food through the plant?
A. leaves to stems to roots
B. leaves to flowers to roots
C. leaves to roots to flowers
D. leaves to flowers to stems
A. leaves to stems to roots
Plants respond to light. The leaves of a plant use light to make their food. In what other way do plants respond to light?
A. their stems grow shorter
B. their roots grow deeper
C. their leaves become smaller
D. their flowers open and close
D. their flowers open and close
All plants respond to their environment. How do plants respond to temperature?
A. the right temperature can make flowers grow down
B. the right temperature can make leaves grow smaller
C. the right temperature can make flowers/buds bloom
D. The right temperature can make pine cones close
C. the right temperature can make flowers/buds bloom
A room has 4 walls, each has a window with a window shade. There is a plant in front of each window. All four plants are growing toward only one of the windows. What can you infer about the shades?
A. all the shades are up
B. all but one of the shades are down
C. One of the shades is broken and does not go up at all.
D. the shades are down during the day and up at night.
B. all but one of the shades are down
Marco makes a salad with lettuce, spinach, cabbage, and carrots. Which one of these comes from a different plant part than all the others?
A. carrots
B. cabbage
C. Lettuce
D. spinach
A. Carrots
How might freezing temperatures affect orange tree flowers?
A. the flowers die
B. The flowers germinate
C. the flowers grow upward
D. the flowers turn into fruit
A. the flowers die
Bryan noticed that the roots on the deeds he planted grow down into the soil. Which statement best describes the seeds' response to the environment?
A. The seed is responding to gravity
B. The cold keep roots from coming out of the ground
C. Sunlight is making the roots grow downward
D. Warm temperatures make the roots grow downward
A. The seed is responding to gravity
A plant's evironment includes all the living and nonliving things that surround it. Which of the following describes one way that a plant responds to its environment?
A. its roots grow toward light
B. its stem grows toward light
C. its roots grow against the force of gravity
D. its stem grows in the same direction as the force of gravity
B. its stem grows toward light
Megan is watering the plants in her garden. She knows that the roots of the plant will absorb the water. Where in the plant does the water go next?
A. cones
B. leaves
C. seeds
D. stem
D. stem
In what part of the apple tree are seeds formed?
A. leaves
B. cones
C. flowers
D. stems
C. flowers
Micheala wanted to learn how plants respond to gravity. Which of the following parts of the plant is she most likely observing?
A. cones
B. leaves
C. roots
D. flowers
C. roots
You have just finished an experiment about plants and light. After one week, your results showed that plants grow toward light. Your classmate's results showed that plants do not grow toward light. How could you best solve this problem?
A. change your results so that they match
B. conclude that the experiments were a complete waste of time
C. examine the records to find out why the results differ
D. stand dirty behind your results because plants always grow toward light.
C. examine the records to find out why the results differ
Cora knows that people can eat certain plant parts. Which of these is a root that people eat?
A. an apple
B. A carrot
C. a pine cone
D. broccoli
B a carrot
Genevieve's experiment shows that plants grow toward light. She wants to show others what she observed. How can she best record her results?
A. Make a data table
B. Draw a picture
C. Make a bar graph
D. Write a paragraph
B. Draw a picture
A plant's flowers open in response to sunlight. What will most likely happen at night?
A. the leaves will grow
B. The stem will sprout seeds
C. the seeds will be released
D. The flowers will close
D. the flowers will close
True or False?
Can some plants survive in complete darkness?
A. True
B. False
A. True
A. the plant's leaves
B. the taproot
C. seeds from the inside of the fruit
D. the plant's stems
A. the plan't leaves
Chandler plants a bean seed in the ground. What is the best way for Chandler to keep track of its growth during the first few weeks?
A. weigh the plant once a week
B. count the number of leaves after one month
C. use a ruler to measure the plant's height and write it down
D. write down when the plant makes its first flower and first bean pod
C. Use a ruler to measure the plant's height and write it down
Which of the following sets of words correctly matches a plant part to the condition that makes it grow in a particular direction?
A. stem and light
B. stem and water
C. roots and light
D. Roots and temperature
C. roots and light
Why do apple trees get bare in the winter time?
A. Because they adapt to the temperature
B. Because they feel like it
C. someone picked all the fruit for the winter
D. The tree is dead
A. because they adapt to the temperature