General Agriculture Mcqs #2

Welcome to your General Agriculture Mcqs #2

What properties of soil does the “Clay-Humus Complex” improve?

A. Temperature

B. Light

C. Nutrient Exchange Capacity (CEC)

D. Color

In which condition is “Photorespiration” more abundant?

A. In low light and low temperature

B. In high humidity and darkness

C. In high temperature and low CO₂ environment

D. In excess nitrogen

What does “Genotype × Environment Interaction” mean?

A. All crops produce the same yield everywhere

B. Crop quality depends only on the soil

C. Different varieties respond differently to different environments

D. Crop depends only on the price of the seed

“Indeterminate Growth” refers to what type of characteristic in plants?

A. Stopping growth at a certain size

B. Growing only during a certain season

C. Continuous growth as long as conditions are favorable

D. Stopping growth only after flowering

What does the “Salt Index” indicate for agricultural chemical fertilizers?

A. Percentage of nitrogen in the fertilizer

B. Moisture retention capacity of the fertilizer

C. Ability of the fertilizer to increase salinity in the soil

D. Light absorption rate of the fertilizer

What are “Antitranspirants” used for in agriculture?

A. To stimulate root growth

B. To inhibit the absorption of nutrients by plants

C. To reduce water loss (transpiration) in plants

D. To accelerate the ripening process of fruits

What does “Double Cross Hybrid” refer to in Seed Technology?

A. A crop grown on two different soils

B. A self-cross within a generation

C. A hybrid obtained by crossing four inbred lines

D. Natural mating of male and female flowers

What is meant by “Critical Stage of Irrigation”?

A. The time when the crop does not need water

B. The time when pests attack the crop

C. The stage when the crop is severely affected if it is not watered

D. The time when it is necessary to apply fertilizer

What is the purpose of “Somatic Hybridization” in agricultural biotechnology?

A. To produce seeds only naturally

B. To increase soil fertility

C. To create a new hybrid by combining plant cells from two different species

D. To keep the roots of the plant short

What is the first stable product of Carbon fixation in C4 plants?

A. 3-Phosphoglyceric acid (3-PGA)

B. Pyruvate

C. Oxaloacetic acid (OAA)

D. Acetyl-CoA

What process does “Apomixis” represent in plants?

A. Asexual seed formation without fertilization

B. Spontaneous wilting of the flower

C. Eruption of the pollen grain

D. The union of male and female flowers by insects

What does “Hydroponics” refer to in agricultural technology?

A. Deep cultivation in soil

B. Relying only on rainwater

C. Growing plants in water without soil

D. Spraying fertilizer from an aircraft

What does Bt mean in “Bt crops”?

A. Bio-treated

B. Bacterial toxin

C. Bacillus thuringiensis

D. Balanced trait

Among the Plant Growth Regulators (PGRs), what is the main role of “Abscisic Acid (ABA)”?

A. Increasing flower formation

B. Accelerating fruit ripening

C. Protecting the plant from stress and inducing dormancy

D. Increasing root length

“Thermoperiodism” describes what behavior of plants?

A. Growth according to the amount of light

B. Leaf shedding according to humidity

C. Plant growth according to the difference in day and night temperatures

D. Flowering due to wind pressure

What does “Allelopathy” describe in agricultural science?

A. The ability of a plant to bend toward light

B. The chemical effect of one plant on another

C. Nitrogen deficiency in plants

D. Natural defenses of plants to protect against pathogens

What does “Seed Vigour” mean?

A. The price of the seed

B. The appearance of the seed

C. The strength of the seed that enables better germination and growth even under difficult conditions

D. The amount of nitrogen in the seed

What is the main difference between “Quiescence” and “Dormancy”?

A. Quiescence is a disease, not Dormancy

B. In Dormancy, the seed does not germinate even when the external conditions are favorable, while in Quiescence, the seed germinates immediately when the external conditions improve

C. Both words are used for the same thing

D. Quiescence is related only to flowers

What process is called “Vernalization”?

A. Depriving the plant of light

B. Adding artificial hormones to the plant

C. Keeping the plant or seed at a low temperature to induce flowering

D. Giving the plant more water so that it blooms quickly

What is the main objective of “Integrated Pest Management (IPM)”?

A. Use of only chemical drugs

B. Complete elimination of pesticides

C. Use of various control methods to keep harmful insects below the economic threshold

D. Use of only genetic engineering

What is the role of Rhizobium bacteria in “Biological Nitrogen Fixation”?

A. Reducing soil moisture

B. Converting nitrogen gas into a form usable by plants

C. Providing light to plants

D. Providing protection from pests

Leave a Reply Cancel reply

Join Our Community