JH Quiz Bowl Practice 1

When two alleles are homozygous, the trait on each chromosone is

A hybrid is obtained by

The growth layer in the tree root, trunk, or limb is called the

Who is credited with discovering the effects of genetics on plant characteristics?

A person who studies insects for a living is known as a(n)

Which term means sterile or free from microorganisms?

Soil is ____ when water fills all the spaces or pores in the soil.

What is the most abundant element in the air?

Which term means to give birth to baby pigs?

The science of cultivation, propagation, processing, and marketing of items such as flowers and vegetables is known as

When growing indoor plants, two aspects of light that need to be determined are intensity and

What is the most efficient method of irrigation for vegetable crops?

A group of animals having comon ancestors and similar characteristics that are passed to offspring is called a

The hormone bovine somatotropin (BST) stimulates increased milk production in cows.

Soils formed in place from parent materials are considered:

The aquatic food chain acquires its initial energy from

The term for the proportion and size of soil particles is

Movement of air within the soil profile is called

What kind of water adheres so tightly that plants cannot use it?

The terminal bud on a plant stem is located where?

Scientists have been able to use microbes to break down which of the following?

The ovary of a flower matures into a

Which of the following is a plant that hosts nitrogen-fixing bacteria?

The area of cell division on a root is at the

Frogs and turtles are examples of

Salinity is the measurement of ______ in water.

What is the union of the pollen and the stigma?

How many elements are essential for plant growth?

Career that includes processing, packaging, districution of, and marketing of food products is in which career cluster?

For human survival, approximately what percentage of air must be oxygen?

An animal's temperature is usually taken

The insecticide DDT has been used to control mosquitoes that carry which disease?

The layer of cells that transports water and minerals from the roots up to the leaves is the

Which of the following is the top layer of the Earth's surface?

What does IPM stand for?