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Intro to Ag 1 Questions > Chapter 3 > Flashcards

Chapter 3 Flashcards

1
Q

(T or F)
Soil fertility is achieved by understanding what promotes and increases soil quality for optimal plant productivity.

A

True

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2
Q

Primary nutrients needed by plants are

A

nitrogen, phosphorus, potassium

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3
Q

Decomposed organic matter is called

A

compost

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4
Q

___________take lots of nitrogen from the soil

A

Legumes

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5
Q

_______ is the byproduct of steel manufacturing.

A

Slag

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6
Q

_______________ are required in large amounts

A

Macronutrients

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7
Q

_______________ are required in small amounts

A

Micronutrients

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8
Q

Tiny clay and humus particles carrying a slight electrical charge are called _________________

A

soil colloids

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9
Q

An anion is ___________

A

negatively charged

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10
Q

A particle of silicate clay is called a

A

micelle

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11
Q

A surface function where plants take nutrients out of the soil solution is called

A

absorption

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12
Q

(T or F)
Soil Ph can either be acidic or alkaline.

A

True

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13
Q

Defined as the number of positive charges a sample of soil can hold

A

cation exchange capacity

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14
Q

Are exchangeable cations exchanged easily?

A

exchanged very easily

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15
Q

A circular arrangement of leaves is called

A

rosetting

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16
Q

T or F?

Plants are autotrophic.

A

True

17
Q

What nutrient is needed to make plant protein?

nitrogen

iron

potassium

magnesium

A

nitrogen

18
Q

A plant with a nitrogen deficiency has:

green leaves

stunted growth with yellowing leaves

healthy root system

tall green stem

A

stunted growth with yellowing leaves

19
Q

Magnesium is needed to make what in a plant

protein

chlorophyll

photosynthesis

A

chlorophyll

20
Q

When a plant has a potassium deficiency the leaves will look like.

green with yellow veins

yellow with yellow veins

green with green veins

yellow with green veins

A

yellow with green veins

21
Q

T or F?

Potassium is needed for a plant to have a healthy immune system.

A

True

22
Q

Phosphate deficiency turns the veins in the leaves this color;

purple

blue

green

yellow

A

purple

23
Q

T or F ?

Hydroponics is a new agriculture practice where plant are grown in water instead of soil.

A

True

24
Q

Stimulates early growth and root formation, hastens maturity, promotes seed production, makes plants hardy

Phosphorus
Potassium
Magnesium
Nitrogen
Calcium
Sulfur

A

Phosphorus

25
Q

Improves plant’s ability to resist disease and cold, aids in the production of carbohydrates

Phosphorus
Potassium
Magnesium
Nitrogen
Calcium
Sulfur

A

Potassium

26
Q

An ingredient of chlorophyll. Aids in the translocation of starch within a plant, essential for formation of oils and fats

Phosphorus
Potassium
Magnesium
Nitrogen
Calcium
Sulfur

A

Magnesium

27
Q

Promotes rapid vegetative growth and gives plants healthy green color

Phosphorus
Potassium
Magnesium
Nitrogen
Calcium
Sulfur

A

Nitrogen

28
Q

Aids in the movement of carbohydrates in plants, essential to healthy cell walls and root structure

Phosphorus
Potassium
Magnesium
Nitrogen
Calcium
Sulfur

A

Calcium

29
Q

Aids in the formation of oils and parts of the protein molecules

Phosphorus
Potassium
Magnesium
Nitrogen
Calcium
Sulfur

A

Sulfur

30
Q

Promotes formation of Vitamin A, excess is very toxic

Copper
Molybdenum
Chlorine
Iron
Zinc
Boron
Manganese

A

Copper

31
Q

Required by plants for use of nitrogen

Copper
Molybdenum
Chlorine
Iron
Zinc
Boron
Manganese

A

Molybdenum

32
Q

Required in photosynthetic reactions of plants

Copper
Molybdenum
Chlorine
Iron
Zinc
Boron
Manganese

A

Chlorine

33
Q

Essential for formation of chlorophyll, releases energy from sugars and starches

Copper
Molybdenum
Chlorine
Iron
Zinc
Boron
Manganese

A

Iron

34
Q

An essential constituent of several important enzyme systems in plants. It controls the synthesis of indoleacetic acid, an important plant growth regulator. The micronutrient most often needed by western crops

Copper
Molybdenum
Chlorine
Iron
Zinc
Boron
Manganese

A

Zinc

35
Q

Aids in the assimilation of calcium; amount required is extremely small

Copper
Molybdenum
Chlorine
Iron
Zinc
Boron
Manganese

A

Boron

36
Q

Serves as an activator for enzymes in growth processes. Assists iron in chlorophyll formation. Generally required with zinc in foliar spraying of citrus

Copper
Molybdenum
Chlorine
Iron
Zinc
Boron
Manganese

A

Manganese

Intro to Ag 1 Questions (12 decks)

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