Plant Form and Function Practice Quiz Questions

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pruning shoot tips

A person working with plants may increase the lateral branches by which of the following? - pruning shoot tips - fertilizing - treating the plants with auxins - deep watering of the roots - feeding the plants nutrients

Sclerenchyma

A student examining leaf cross sections under a microscope finds many tightly packed cells with relatively thick cell walls. The cells have no nucleus and are dead. What type of cells are they? - sclerenchyma - endodermis - xylem rays - parenchyma - collenchyma

Secondary xylem of spring and summer

Annual rings in woody plant stems and roots represent the - primary and secondary xylem of spring. - secondary xylem of spring and summer. - secondary phloem of spring and summer. - primary and secondary xylem of summer. - primary phloem of spring and summer.

i, iii, iv, ii

Arrange the following tissues in an order from the upper surface to the middle area of a leaf cross section. i. epidermis ii. xylem iii. palisade mesophyll iv. spongy mesophyll

stoma

CO2 enters the inner spaces of the leaf through the - stoma. - phloem. - walls of guard cells. - cuticle. - epidermal trichomes.

indeterminate

Compared to most animals, the growth of most plants is best described as - indeterminate - derivative - primary - weedy - perennial

spongy mesophyll

Gas exchange, which is necessary for photosynthesis, can occur most easily in which leaf tissue? - spongy mesophyll - palisade mesophyll - epidermis - bundle sheath - vascular tissue

axillary bud

Lateral branches, thorns, or flowers on the shoot and vertical roots on the rhizome produce from the - apical bud. - axillary bud. - internode. - petiole - node.

epidermal cells

Root hairs, which absorb the water and minerals in the majority of plants, are the extensions of root - pericycle. - parenchyma. - collenchyma tissue. - epidermal cells. - endodermis.

vascular cambium

The bark of woody plants represents all tissues external to the - cortex - pericycle - pith - endodermis - vascular cambium

Secondary xylem

The dominant type of tissue that makes up most of the wood of a tree is - secondary phloem. - vascular cambium. - mesophyll cells. - primary xylem. - secondary xylem.

i, v, iii, ii, iv

The following question is based on parts of a growing primary root. i. root cap ii. zone of elongation iii. zone of cell division iv. zone of cell differentiation v. apical meristem Which of the following is the correct sequence from the growing tips of the root upward?

secondary xylem and phloem

Vascular cambium in stems produce - lateral tissues - shoots and roots - dermal and ground tissue - secondary xylem and phloem - pith

light and CO2

Which of the following environmental factors plays a critical role in plant photosynthesis? - O2 and chlorophyll in mesophyll - O2 and light - CO2 and O2 - light and CO2 - light, chlorophyll, and CO2

Secondary growth is produced by both the vascular cambium and the cork cambium.

Which of the following is a true statement? - Secondary growth is a common feature of eudicot leaves. - Flowers may have secondary growth. - Secondary growth is produced by both the vascular cambium and the cork cambium. - Primary growth and secondary growth alternate in the life cycle of a plant. - Plants with secondary growth are typically the smallest ones in an ecosystem.

Some plants lack secondary growth

Which of the following statements about growth in plants is true? - Some plants lack secondary growth. - Monocots have only primary growth, and eudicots have only secondary growth. - Primary growth is localized at meristems, whereas secondary growth is localized at buds. - Reproductive structures are produced by secondary growth. - Secondary growth occurs only in stems.

Root Hairs

Which part of a plant absorbs most of the water and minerals taken up from the soil? - root cap - root hairs - storage roots - the thick parts of the roots near the base of the stem - sections of the root that have secondary xylem

Meristem

Which tissue is responsible for plant growth? - meristem - collenchyma - parenchyma - sclerenchyma - vascular tissue

transport of water and minerals

Xylem, a vascular tissue, performs which of the following functions? - aerobic respiration - photosynthesis - transport of water and minerals - storage of food - transport of food

Vessel element; sieve-tube member

________ is to xylem as ________ is to phloem. - Apical meristem; vascular cambium - Sclerenchyma cell; collenchyma cell - Cortex; pith - Vessel element; sieve-tube member - Vascular cambium; cork cambium


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