Plant Test Review.

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Presentation transcript:

Plant Test Review

Which structure regulates gas exchange during the processes of photosynthesis and respiration?

Which of the following characteristics could help short plants survive in areas with limited sunlight? A Broad leaf surfaces B Brightly colored flowers C Thick stems D Shallow roots

Some mesquite trees have deeper roots than any other plant in the desert. How are deep roots an adaptation for survival in the desert? A. Deep roots can protect the tree from predators. B. Roots encounter cooler conditions far below the desert surface. C. Roots can extend great distances to reach water. D. Deep roots interact with beneficial bacteria below the surface.

Cacti grow slowly compared to most other plants Cacti grow slowly compared to most other plants. The fact that cacti keep their stomata closed for much of the day can help explain this growth characteristic. Which of these best explains the advantage of keeping stomata closed during the day? A. It limits water loss through transpiration. B. It conserves oxygen produced in photosynthesis. C. It recycles carbon dioxide within plant systems. D. It protects plant tissues from predators

Which of the following leaf types is most likely to help a plant survive in an arid habitat?

Compared to annual rings of trees that have experienced years of sufficient rainfall, the annual rings of trees that have experienced a dry period will? Be thick Be thin

Species of the genus Toxicodendron, which includes poison ivy and poison oak, produce a gummy oil that causes a severe itchy rash in some animals. This substance is part of the Toxicodendron species’— A. defense mechanisms B. nutritional processes C. support system D. clinging ability

Plant leaves have a waxy covering called a cuticle. When some plants are stressed by lack of water, their cuticle increases in thickness. What does this action demonstrate? A Alternation of generations in plants B Structural response to the environment C Differentiation of vascular tissue in plants D Genetic mutation induced by the Environment

Which biome would you most likely find a plant with these adaptations?

Some plants have waxy coating on leaves to prevent water loss Some plants have waxy coating on leaves to prevent water loss. What type of environment do these plants most likely grow in?

Which of these structures protects the leaf from drying out?

Plants growing towards a light source is what type of response?

Plants that grow away from a stimulus is an example of …. Positive or negative tropism

Plants can bend toward a light source due to plant hormone called?

Plant growing away from pull of gravity is what type of response?

2 major groups of plants are? Hint: 1 has a transport system the other doesn’t

Xylem allows plants to?

Phloem allows plants to?

Name 2 forces that aid in water transport throughout the plant? A. Gravity and Air pressure B. Capillary action and Transpiration C. Transpiration and Air pressure D. Capillarity and Polarity

Which of the following is a nonvascular plant? A. Tree B. Shrub C. Flower D. Moss

Cell walls of plants are made of? A. Phospholipids B. Chitin C. Cellulose D. Chlorophyll

Group of plant that uses pollen as means for sexual reproduction and its seeds develop on the surface of the reproductive structure?

Name 2 seed producing plants. Vascular Angiosperms Nonvascular External pollinating Gymnosperms Self pollinating

Name the 3 female reproductive structures in a flowering plant? Stigma, style, and ovary Anther, filament, and ovary Anther, style, and ovary Stigma, filament, and style

What are the male and female gametophytes? Pollen Ovary Stamen Pistil Ovule Sperm Egg

What is the function of a root? Photosynthesis Reproduction Anchor and absorption of water Holds leaves and branches

Where in a plant does photosynthesis take place?

Name the 3 main types of cells in a plant? A. Geotropism. Thigmotropism, and phototropism B. Dermal, vascular and ground C. Roots, stems and leaves D. Parenchyma, collenchyma and sclerenchyma

What is the function of a stomata? Let oxygen and carbon dioxide enter and exit Conduct photosynthesis Help the leaves grow Produce sugar

Cells around the stomata that react to stimulus are? Parenchyma cells Cheek cells Sclerenchyma cells Guard cells

The photograph to the right shows an area of the root where cell division takes place. Cells that are undifferentiated and increase the length of the root are found in the A. epithelium B. apical meristem C. dermal tissue D. ground tissue

The area marked A is home to epidermal cells The area marked A is home to epidermal cells. Epidermal cells found on the top of a leaf…. A. tend to be covered with thick, waxy layers B. Tend to contain many chloroplasts C. Tend to contain pores called stomata D. Tend to have thin, hair-like extensions

The areas marked C and D are home to root hair cells. Root hair cells…. A. absorb water and nutrients from the soil B. are coated with a thick, woody layer C. contain many chloroplasts D. tend to live for a long time

The flower of a plant usually contains two types of specialized cells, vegetative cells and germ cells. Germ cells… A. tend to contain pits in their cell walls B. die when they are mature C. produce gametes such as egg cells D. do not contain any water

The diagram below represents root epidermal cells The diagram below represents root epidermal cells. The major function of the structures labeled X is to A. Increase the surface area for absorption of water B. Absorb complex food particles for transport to the leaves C. Transport carbon dioxide from the roots to the leaves D. Move food particles into the phloem

The underside of a leaf contains tiny pores called stomata. These pores lie next to specialized guard cells. The structure of the specialized guard cells and the stomata do not help the plant to…. A. release water during transpiration B. capture pollen for sexual reproduction C. absorb carbon dioxide for photosynthesis D. enable the flow of nutrients from roots to the rest of the plant

The leaves of a plant are dotted with openings known as stomata The leaves of a plant are dotted with openings known as stomata. When open, stomata allow the plant to exchange gases and allow moisture to evaporate. This helps draw water from the roots up into the plant. These activities allow the plant to… A. maintain homeostasis B. decompose organic matter C. produce light energy D. synthesize minerals

An acacia tree has many compound green leaves An acacia tree has many compound green leaves. These leaves grow because the tree receives necessary minerals collected by…. A. The reproductive system B. The root system C. The excretory system D. The nervous system

A buttercup produced a small, dry fruit A buttercup produced a small, dry fruit. The buttercup did not get enough water and died. Its fruit fell on the ground and began to rot. A clump of Bermuda grass used its root system to absorb nutrients from the buttercup fruit. Which of the Bermuda grass’s systems then sent the nutrients from the buttercup fruit to its leaves? A. The integumentary system B. The excretory system C. The vascular system D. The reproductive system

B. The reproductive system C. The immune system D. The root system A horsetail opened stomata in its leaves to release oxygen. The horsetail then took in carbon dioxide to create energy. The horsetail used some of the energy that it created to produce strobili, cone-like structures that contain spores. When the horsetail used the energy from its leaves to produce strobili, the vascular system of the plant worked in conjunction primarily with…. A. The excretory system B. The reproductive system C. The immune system D. The root system

Xylem and phloem tissues make up the transportation system of vascular plants. Vessel elements and tracheids are the cells which make up the xylem. In land plants, the xylem functions to A. move water and dissolved minerals down to the roots B. move water and dissolved minerals upward from the root C. move food to the surface of the leaf D. move food to the root tips

The bitterfoot plant, a desert plant, has developed fewer and smaller stomata than what is found in plants in other regions. In addition, the stomata of bitterfoot open mainly at night. The most likely reason for this adaptation is… A. to decrease the chance of being seen by potential predators B. to allow room for more food storage C. to decrease the amount of water lost through transpiration D. to increase the amount of heat absorbed by the leaves during the daytime