Term
| The vast bulk of the soil has its origin in: |
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Definition
| the weathering of solid rock. |
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Term
| What type of plant tissue can be described as "elongated but flexible, stringy cells"? |
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Definition
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Term
| Sugars produced in the leaves of a plant are transported elsewhere in the plant through: |
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Definition
| sieve tubes that make up the phloem. |
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Term
| The size of the stomatal opening is controlled by: |
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Definition
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Term
| Phloem is largely composed of cells known as: |
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Definition
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Term
| The specialized pores that facilitate gas exchange in plants are known as: |
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Definition
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Term
| Which of the following is true about monocots and dicots? |
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Definition
| Monocots are flowering plants. |
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Term
| The _____________ is the region of the plant that undergoes rapid mitotic cell division and is the plant's main source of cells. |
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Definition
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Term
| Cohesion of water molecules in the xylem of a plant is a result of: |
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Definition
| hydrogen bonds between the oxygen of one water molecule and a hydrogen of another water molecule. |
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Term
| In eudicots, the phloem is found: |
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Definition
| within vascular bundles, on the outside part facing the epidermis. |
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Term
| A germinating corn kernel produces a seedling with one cotyledon, whereas a germinating tomato seed produces a seedling with two cotyledons. From this information, what is a corn plant and what is a tomato plant? |
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Definition
| A corn plant is a monocot ; a tomato plant is a dicot. |
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Term
| Evaporation from the leaves of a tree will pull water up through the roots as an unbroken column throughout the entire height of the tree. This feat is possible because of which characteristic of water? |
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Definition
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Term
| There are two different analogies to describe how fluid is transported through a plant; that of the drinking straw (negative pressure) and that of the hose (positive pressure). Which of the following properly links the type of vascular tissue with its corresponding analogy? |
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Definition
| xylem: straw; phloem: hose |
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Term
| All of the following are ground tissue cell types except: |
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Definition
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Term
| Which of the following properly contrasts the two varieties of dicot leaves; simple and compound? |
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Definition
| Simple leaves are flat and not divided into sections. Compound leaves are divided into separate leaflets. |
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Term
| Which of the following important crop plants is associated with nitrogen-fixing bacteria? |
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Definition
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Term
| Which of the following is NOT a function of a plant's stem? |
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Definition
| serve as the primary site of photosynthesis in the plant |
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Term
| Which of the following is NOT a proper description of the cuticle of a flowering plant? |
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Definition
| The cuticle covers every portion of a flowering plant. |
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Term
| Carnivorous plants digest small invertebrate animals. These animals are broken down by the plant's enzymes and the products are used to supplement the plant's supply of: |
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Definition
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Term
| The __________ is made of dead cells with rigid cell walls that provide a plant with support, as well as conducting water through the plant. |
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Definition
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Term
| Which of the following is most important in providing structural support in vascular plants? |
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Definition
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Term
| Plants do not grow well in pure clay soils because: |
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Definition
| the soil packs so tightly that the amount of oxygen that can reach the roots is limited. |
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Term
| In trees, the epidermis on the stem and roots is replaced by a protective covering of dead: |
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Definition
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Term
| The cuticle of a leaf is: |
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Definition
| a waxy non-living layer that minimizes water loss. |
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Term
| Which is NOT true about plant nutrition? |
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Definition
| No plant can grow without soil. |
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Term
| What do sclerenchyma, parenchyma, and collenchyma cells have in common? |
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Definition
| They are all types of ground tissue. |
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Term
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Definition
| decomposing organic material in the soil. |
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Term
| The _____________ is the region of the plant that undergoes rapid mitotic cell division and is the plant's main source of cells. |
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Definition
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Term
| Xylem tissue conducts water while phloem tissue conducts: |
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Definition
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Term
| Which of the following tissues is found in the stem of a plant but not found in the leaves of a plant? |
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Definition
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Term
| Sugars produced in the leaves of a plant are transported elsewhere in the plant through: |
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Definition
| sieve tubes that make up the phloem. |
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Term
| Which of the following statements is most correct concerning the movement of materials through the stomata? |
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Definition
| Water and O2 move out, CO2 moves in. |
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Term
| The pressure-flow hypothesis for phloem movement would predict a movement of sugars from leaves to storage areas under which of the following conditions? |
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Definition
| Leaves produce sugars; storage areas convert sugars to starch. |
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Term
| Magnesium is an important nutrient for plants. This is because: |
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Definition
| magnesium is a component of chlorophyll. |
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Term
| The sugar in pure maple syrup is stored in a maple tree: |
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Definition
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Term
| Which of the following, if added to soil, would best prevent minerals from being leached away? |
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Definition
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Term
| A plant takes up water through its ___________ and expels water through its ____________. |
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Definition
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Term
| Why are leaves generally very thin? |
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Definition
| Sunlight cannot penetrate more than a few layers of cells. |
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Term
| Mycorrhizae are beneficial to plants mostly because: |
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Definition
| hey help increase water absorption into the roots. |
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Term
| Sugars are transported through the phloem: |
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Definition
| All of the above are correct. |
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Term
| What are the initial leaves produced by a seedling called? |
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Definition
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Term
| The ground tissue that fills the area between the epidermal cells and the vascular tissue in flowering plants is called the __________. |
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Definition
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Term
| Water is moved from the roots to the tops of trees using which of the following physical principles? |
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Definition
| All of the above are involved in water transport. |
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Term
| Which of the following is a function of a plant's roots? |
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Definition
| anchor the plant in place |
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Term
| Plants can have one of two kinds of roots, a taproot or a fibrous root system. Which of the following describes the differences between these two systems? |
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Definition
| Only answers a) and c) are true descriptions |
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Term
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Definition
| holes created by open guard cells in a leaf. |
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Term
| Which of the following is TRUE about plant leaves? |
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Definition
| They must allow some water vapor to escape through stomata in order to transport water from the roots into the leaves. |
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Term
| Just like the human body is composed of many different tissue types, a flowering plant is made of various tissues. Which of the following is NOT one of the tissues of a flowering plant? |
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Definition
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