Exam 28: The Life of a Flowering Plant

Which of the following describes the vascular system of a typical plant? I)It is made up of xylem and phloem. II)It provides support. III)It transports nutrients throughout the plant.

The formation of a zygote and a cell with a triploid nucleus is unique to flowering plants.What is this process called?

Which of the following best characterizes the monocots?

The diploid number for the tomato,a eudicot,is 24.One of its pollen grains has ________ chromosomes,and the nutritive tissue of the seed has ________ chromosomes.

The ________ is the selective barrier of a root that determines which substances pass between the cortex and vascular tissue.

Read the following scenario to answer the following questions. The North American beaver is a large rodent that builds dams to convert freshwater streams into ponds. Beavers build their dams out of trees, which they cut down using their front teeth. Beavers also eat the leaves and bark of trees, as well as the starchy roots of water lilies. -When a beaver is eating leaves,what plant structure(s)is it ingesting? I)mesophyll II)parenchyma III)cork

Which of the following describes the delivery of pollen to the stigma?

Please refer to the following art of the cross-sections of two trees to answer the following questions. -When were the cross-sections of these trees made?

Which of the following describes the sites of leaf attachment in a stem?

You trim two different houseplants.The first houseplant becomes bushier,but the pruning does not affect the growth of the second plant.A possible explanation is ________.

What typically has to happen before a fruit develops? I)flowering II)pollination III)double fertilization

Humans domesticated the rose from a wild ancestor with large,scented flowers.Why might fragrant chemicals in flowers be adaptive for wild roses?

A homeowner uses a nail to hang a "Home Sweet Home" sign on the trunk of an oak tree.The sign is 2 meters above the ground.The tree grows in height at a rate of 10 cm per year.How high above the ground will the sign be in 15 years?

Which of the following products used by humans sometimes comes from plants?

Which of the following is a stem modification for storage?

A plant grows taller through ________,which involves cell division in the ________.

Which of the following constitute the shoot system of a plant? I)leaves II)stems III)roots

Which of the following is the main site of photosynthesis in a typical leaf?

Read the following scenario to answer the following questions. The North American beaver is a large rodent that builds dams to convert freshwater streams into ponds. Beavers build their dams out of trees, which they cut down using their front teeth. Beavers also eat the leaves and bark of trees, as well as the starchy roots of water lilies. -Water lilies store carbohydrates in their roots,which is why beavers like to eat water lily roots.What type of plant cells store these carbohydrates?

Which of the following is a function of parenchyma cells? I)food storage II)photosynthesis III)divide and develop to become other types of cells