Test Chapters 9-14

Question 1

What are the macronutrients?

Answer 1

Nitrogen, potassium, calcium, phosphorous, magnesium, and sulfur. NPC PMS

Question 2

What are the micronutrients?

Answer 2

Iron, sodium, chlorine, copper, manganese, cobalt, zinc, molybdenum, and boron. ISC CMC ZMB

Question 3

what are the major types of hormones?

Answer 3

Auxins, gibberellins, cytokinins, abscisic acid, and ethylene.

Question 4

Enlargement of cells, produce other hormones, delay development like fruit ripening.

Answer 4

Auxins

Question 5

Movement nonpolar, most dicots grow faster with this present (and some monocots).

Answer 5

Gibberellins.

Question 6

Regulate cell division, root tips and germinating seeds,

Answer 6

Cytokinins

Question 7

Inhibits stimulant effects in other hormones, prevents seeds from germinating in fruit.

Answer 7

Abscisic acid

Question 8

Ripens green fruits

Answer 8

Ethylene

Question 9

What are tropisms?

Answer 9

Permanent movements resulting from external stimuli.

Question 10

Plant moves according to light differences.

Answer 10

Phototropism - Positive(moving toward light) or negative (moving away from light).

Question 11

Growth responses to gravity.

Answer 11

Gravitropism

Question 12

Growth around solid object.

Answer 12

Thigmotropism

Question 13

Response to chemicals.

Answer 13

Chemotropism

Question 14

Short-day plants

Answer 14

Flower with short day length (strawberries)

Question 15

Long-day plants

Answer 15

Flower only with long periods of light (potato, spinach, wheat)

Question 16

Intermediate-day plants

Answer 16

No flower if days too short or too long (grasses).

Question 17

Day-neutral plants

Answer 17

Flower under any day length as long as minimum light required is met.

Question 18

What are the methods of asexual reproduction?

Answer 18

Crown division, cuttings, layering, grafting, micropropagation

Question 19

What are the top food plants for the world?

Answer 19

Wheat, rice, corn, potato, sweet potato, and cassava