Transport and Nutrition in Plants

27 important questions on Transport and Nutrition in Plants

What are primitive water conducting plants?

Tracheids

What does phloem transport from the leaves to all other parts of the plant?

Sugar

What conducts phloem sap?

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Sieve tube elements and companion cells are what type of cells?

Living Cells

_________ is the process during which drops of water are forced out of vein endings along the edges of a leaf.

Guttation

________ is the tendency of water molecules to cling together with molecules other than water.

Adhesion

What makes cohesion and adhesion possible?

Hydrogen Bonding

What does the Cohesion Transport Model explain?

The transport of water passively, with no energy, through the xylem.

What are guard cells?

Modified epithelial cells that have thick inner walls and thin outer walls.

________ are pores in the leaf epidermis that are bordered by guard cells.

Stomata

What happens to the stoma when water enters the guard cells?

The stoma open, then close once the water has left the guard cells.

What does the pressure flow model explain?

The movement of organic material throughout the plant in Phloem.

Tracheids transport _____, and Phloems transport _____.

Water and Sugar

What is a mineral?

An inorganic substance usually containing two or more elements.

What are Beneficial Nutrients?

Nutrients required to enhance the growth of a particular plant.

What is a method of growing plants using mineral nutrient solutions in water without soil?

Hydroponics

What is a mixture of mineral particles, decaying organic matter, living organisms, air, and water?

Soil

What are the largest mineral particles in soil?

Sand

A vertical section of soil from the ground surface to the unaltered rock below is known as what?

Soil Profile

The uppermost horizon containing leaf litter, humus, and organisms is know as what?

Horizon A

The zone of leaching and subsoil is known as what?

Horizon B

Water enters roots passively through _________.

Aquaporins

Water reaches the xylem through what two routes?

Symplast and Apoplast Routes

In what route does water move through spaces between cells?

Apoplast Route

What has a mutualistic relationship with nitrogen fixing bacteria and legume plants?

Root Nodules

What is the mutualistic relationship between fungi and plants?

Mycorrhizae

What plants obtain nutrients by feeding on insects?

Carnivorous Plants

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