AEST AGTECH EXAM QUESTIONS AND ANSWERS ALREADY PASSED LATEST UPDATE 2025-
2026
What percentage of the people in the United States are farmers? - Answers2
Careers in agriscience include which of the following? - Answersprocessing and recreation and
food production
By the year 2010, the world population of humans is estimated will be - Answers7 billion
What is the meaning of the Greek word bios? - Answerslife
The science involved in the cultivation, propagation, processing and marketing of things like
flowers and vegetables is known as - Answershorticulture
In genetic terms, what is the goal of the process of mapping? - Answersto identify the location
of a gene on a chromosome
Which of the following terms means "life" or "living"? - Answersbio
Gregor Johann Mendel discovered the effects of genetics on characteristics using which of the
following types of plant? - Answerspea
The pale yellow element occurring widely in nature is - Answerssulfur
Which of the following is a colorless, radioactive gas formed by the disintegration of radium? -
Answersradon
Chlorofluorocarbons are a group of compounds consisting of which of the following? -
Answerschlorine, fluorine, carbon, and hydrogen
Plants give off oxygen through the process known as: - Answersphotosynthesis
Careers in air quality are available with which service? - Answersweather
What is the most abundant element in air? - Answersnitrogen
Insects and other organisms have adapted to the pollution in the air through a process known
as: - Answersnatural selection
The greenhouse effect and global warming are: - Answerscontroversial
The material that remains after a plant dies or is harvested is called: - Answersplant residue
The bodies of young plants and animals consist of about 90 percent of which of the following? -
Answerswater
A universal solvent serves to: - Answersdissolve or change most other materials
, Which term describes drinking water that is free of harmful chemicals? - Answerspotable
The water cycle is a natural process by which water moves in a circular motion from: -
Answersoceans to land and back to oceans
Which type of water adheres so tightly that plants cannot use it? - Answershygroscopic
Which of the following is not an area of focus by the USDA to prevent contamination of
groundwater by crop pesticides? - Answersmanagement of local water sewage systems
The addition of water to plants to supplement the water provided by rain or snow is called: -
Answersirrigation
The attempt to alter the crop environment to prevent or reduce pest damage is known as _____
control. - Answerscultural
A pest's ability to repopulate after control has been eliminated or reduced is called: -
Answerspest resurgence
It generally takes how long for the release of sterile insects to completely eradicate harmful
insects? - Answers2 or 3 years
_____ is the union of the pollen and the stigma. - AnswersPollination
In plant breeding, what is removed from the plant to prevent natural pollination? -
Answersanther sac
The area of cell division on a root is at the: - Answersapical meristem
In some varieties of wheat, stem length has been reduced, which reduces or eliminates: -
Answerslodging
A compound leaf is made of which of the following? - Answersthree to seven leaflets
How many elements are essential for plant growth? - Answers16
Plant physiologists are responsible for studying and researching which of the following? -
Answersosmosis, nutrient uptake, translocation, respiration, photosynthesis, food movement,
and food storage
Citrus growers and the U.S. Horticultural Research Laboratory have been studying the disease
citrus blight since: - Answers1892
A hybrid plant is obtained by: - Answerscrossbreeding
The union of a small piece of bark with a bud and a rootstock is called _____ grafting. -
Answersbud
2026
What percentage of the people in the United States are farmers? - Answers2
Careers in agriscience include which of the following? - Answersprocessing and recreation and
food production
By the year 2010, the world population of humans is estimated will be - Answers7 billion
What is the meaning of the Greek word bios? - Answerslife
The science involved in the cultivation, propagation, processing and marketing of things like
flowers and vegetables is known as - Answershorticulture
In genetic terms, what is the goal of the process of mapping? - Answersto identify the location
of a gene on a chromosome
Which of the following terms means "life" or "living"? - Answersbio
Gregor Johann Mendel discovered the effects of genetics on characteristics using which of the
following types of plant? - Answerspea
The pale yellow element occurring widely in nature is - Answerssulfur
Which of the following is a colorless, radioactive gas formed by the disintegration of radium? -
Answersradon
Chlorofluorocarbons are a group of compounds consisting of which of the following? -
Answerschlorine, fluorine, carbon, and hydrogen
Plants give off oxygen through the process known as: - Answersphotosynthesis
Careers in air quality are available with which service? - Answersweather
What is the most abundant element in air? - Answersnitrogen
Insects and other organisms have adapted to the pollution in the air through a process known
as: - Answersnatural selection
The greenhouse effect and global warming are: - Answerscontroversial
The material that remains after a plant dies or is harvested is called: - Answersplant residue
The bodies of young plants and animals consist of about 90 percent of which of the following? -
Answerswater
A universal solvent serves to: - Answersdissolve or change most other materials
, Which term describes drinking water that is free of harmful chemicals? - Answerspotable
The water cycle is a natural process by which water moves in a circular motion from: -
Answersoceans to land and back to oceans
Which type of water adheres so tightly that plants cannot use it? - Answershygroscopic
Which of the following is not an area of focus by the USDA to prevent contamination of
groundwater by crop pesticides? - Answersmanagement of local water sewage systems
The addition of water to plants to supplement the water provided by rain or snow is called: -
Answersirrigation
The attempt to alter the crop environment to prevent or reduce pest damage is known as _____
control. - Answerscultural
A pest's ability to repopulate after control has been eliminated or reduced is called: -
Answerspest resurgence
It generally takes how long for the release of sterile insects to completely eradicate harmful
insects? - Answers2 or 3 years
_____ is the union of the pollen and the stigma. - AnswersPollination
In plant breeding, what is removed from the plant to prevent natural pollination? -
Answersanther sac
The area of cell division on a root is at the: - Answersapical meristem
In some varieties of wheat, stem length has been reduced, which reduces or eliminates: -
Answerslodging
A compound leaf is made of which of the following? - Answersthree to seven leaflets
How many elements are essential for plant growth? - Answers16
Plant physiologists are responsible for studying and researching which of the following? -
Answersosmosis, nutrient uptake, translocation, respiration, photosynthesis, food movement,
and food storage
Citrus growers and the U.S. Horticultural Research Laboratory have been studying the disease
citrus blight since: - Answers1892
A hybrid plant is obtained by: - Answerscrossbreeding
The union of a small piece of bark with a bud and a rootstock is called _____ grafting. -
Answersbud
