Question 1

In the Polynesian Islands,current sweet potato varieties showed just one genetic lineage,and virtually no mixed heritage.

Accepted Answer

A) True 
 B)False

Question 2

Yams are an important source of ________ used to make human sex hormones and cortisone.

Accepted Answer

The answer of Yams are an important source of ________...

Question 3

Which of the following tissues makes up much of a potato tuber?

Accepted Answer

A) the pith 
B) vascular tissue 
C) the cortex 
D) the periderm 
E) the pome 
A) the pith 
B) vascular tissue 
C) the cortex 
D) the periderm 
E) the pome

Question 4

Strawberry propagates asexually by which of the following?

Accepted Answer

A) tubers 
B) rhizomes 
C) stolons 
D) corms 
E) bulbs 
A) tubers 
B) rhizomes 
C) stolons 
D) corms 
E) bulbs

Question 5

The darkened ring found in some potato chips is the ________.

Accepted Answer

A) periderm 
B) cortex 
C) pith 
D) vascular tissue 
E) None of the above is correct. 
A) periderm 
B) cortex 
C) pith 
D) vascular tissue 
E) None of the above is correct.

Question 6

All of the following species are correctly matched with its common name except one.Choose the exception.

Accepted Answer

A) Solanum tuberosum - potato 
B) Manihot esculenta - cassava 
C) Ipomoea batatas - sweet potato 
D) Colocasia esculenta - yam 
E) Helianthus tuberosus - Jerusalem artichoke 
A) Solanum tuberosum - potato 
B) Manihot esculenta - cassava 
C) Ipomoea batatas - sweet potato 
D) Colocasia esculenta - yam 
E) Helianthus tuberosus - Jerusalem artichoke

Question 7

Which of the following statements is not correct?

Accepted Answer

A) Starch is the most common carbohydrate storage product found in plants. 
B) Sugars are the direct products of photosynthesis but are generally not stored as such. 
C) There are two distinct components of starch: amylose and amylopectin,which differ in their nutritional benefits. 
D) Starch is mostly extracted commercially from corn,potatoes,and cassava,but can be extracted from almost any grain,tuber,or other plant storage organ. 
E) Although starch is ubiquitous in plants,it unfortunately cannot be used in the production of sugar-based sweeteners. 
A) Starch is the most common carbohydrate storage product found in plants. 
B) Sugars are the direct products of photosynthesis but are generally not stored as such. 
C) There are two distinct components of starch: amylose and amylopectin,which differ in their nutritional benefits. 
D) Starch is mostly extracted commercially from corn,potatoes,and cassava,but can be extracted from almost any grain,tuber,or other plant storage organ. 
E) Although starch is ubiquitous in plants,it unfortunately cannot be used in the production of sugar-based sweeteners.

Question 8

Solanum tuberosum,the white potato,was first domesticated in which country over 10,000 years ago?

Accepted Answer

A) Ireland. 
B) Chile. 
C) Peru. 
D) Mexico. 
E) Idaho. 
A) Ireland. 
B) Chile. 
C) Peru. 
D) Mexico. 
E) Idaho.

Question 9

The best potato variety for baking is probably which variety?

Accepted Answer

A) Superior 
B) Red LaSoda 
C) Katahdin 
D) Norland 
E) Russet 
A) Superior 
B) Red LaSoda 
C) Katahdin 
D) Norland 
E) Russet

Question 10

________ is the component of starch that is a highly branched molecule.

Accepted Answer

The answer of ________ is the component of starch that...

Question 11

The potato was initially rejected as food in Europe because it was thought to be ________.

Accepted Answer

A) poisonous 
B) hallucinogenic 
C) a cause of leprosy 
D) a cause of rickets 
E) All of the above are correct 
A) poisonous 
B) hallucinogenic 
C) a cause of leprosy 
D) a cause of rickets 
E) All of the above are correct

Question 12

The wild potato species,Solanum bulbocastanum,is resistant to all known strains of Phytophthora spp.

Accepted Answer

A) True 
 B)False

Question 13

This misnamed staple was once known as sun root,does not contain starch,and is a weedy perennial in the sunflower family.This staple is known as which of the following?

Accepted Answer

A) potato. 
B) taro. 
C) cassava. 
D) yam. 
E) Jerusalem artichoke. 
A) potato. 
B) taro. 
C) cassava. 
D) yam. 
E) Jerusalem artichoke.

Question 14

________ is the major component of starch comprising about ________ percent of this molecule.

Accepted Answer

The answer of ________ is the major component of starch...

Question 15

________ is in high demand because it is sweeter and less inexpensive to process than sucrose.

Accepted Answer

The answer of ________ is in high demand because it...

Question 16

Bananas are actually native to which of the following regions?

Accepted Answer

A) Southeast Asia 
B) Indo-Malaysia 
C) Northern Australia 
D) All of the above are correct. 
E) None of the above is correct. 
A) Southeast Asia 
B) Indo-Malaysia 
C) Northern Australia 
D) All of the above are correct. 
E) None of the above is correct.

Question 17

How do corms differ from bulbs?

Accepted Answer

A) Corms store starch in their stems. 
B) Corms produce fruits. 
C) Corms are all inedible. 
D) Corms can multiply and form cormlets. 
E) All of these are ways in which corms differ from bulbs. 
A) Corms store starch in their stems. 
B) Corms produce fruits. 
C) Corms are all inedible. 
D) Corms can multiply and form cormlets. 
E) All of these are ways in which corms differ from bulbs.

Question 18

What is one of the biggest disadvantages of planting potato tubers instead of potato seeds?

Accepted Answer

A) There is an increase in genetic variability. 
B) The yield is far less. 
C) There is greater susceptibility to disease because they are genetic clones. 
D) It is more labor intensive. 
E) Potato blight becomes much more common. 
A) There is an increase in genetic variability. 
B) The yield is far less. 
C) There is greater susceptibility to disease because they are genetic clones. 
D) It is more labor intensive. 
E) Potato blight becomes much more common.

Question 19

________ is the component of starch that is relatively soluble in water.

Accepted Answer

The answer of ________ is the component of starch that...

Question 20

The Irish Famine was made worse because of which of the following?

Accepted Answer

A) The potatoes planted were genetically identical. 
B) The English government was unsympathetic to the plight of the Irish. 
C) Potatoes were practically the entire diet of the Irish poor. 
D) There was widespread suppression of Catholics. 
E) All of the factors listed above made the Irish Famine worse. 
A) The potatoes planted were genetically identical. 
B) The English government was unsympathetic to the plight of the Irish. 
C) Potatoes were practically the entire diet of the Irish poor. 
D) There was widespread suppression of Catholics. 
E) All of the factors listed above made the Irish Famine worse.

Exam 14: Starchy Staples

In the Polynesian Islands,current sweet potato varieties showed just one genetic lineage,and virtually no mixed heritage.

Yams are an important source of ________ used to make human sex hormones and cortisone.

Which of the following tissues makes up much of a potato tuber?

Strawberry propagates asexually by which of the following?

The darkened ring found in some potato chips is the ________.

All of the following species are correctly matched with its common name except one.Choose the exception.

Which of the following statements is not correct?

Solanum tuberosum,the white potato,was first domesticated in which country over 10,000 years ago?

The best potato variety for baking is probably which variety?

________ is the component of starch that is a highly branched molecule.

The potato was initially rejected as food in Europe because it was thought to be ________.

The wild potato species,Solanum bulbocastanum,is resistant to all known strains of Phytophthora spp.

This misnamed staple was once known as sun root,does not contain starch,and is a weedy perennial in the sunflower family.This staple is known as which of the following?

________ is the major component of starch comprising about ________ percent of this molecule.

________ is in high demand because it is sweeter and less inexpensive to process than sucrose.

Bananas are actually native to which of the following regions?

How do corms differ from bulbs?

What is one of the biggest disadvantages of planting potato tubers instead of potato seeds?

________ is the component of starch that is relatively soluble in water.

The Irish Famine was made worse because of which of the following?

Plants in Our Lives

The Plant Cell

The Plant Body

Plant Physiology

Plant Life Cycle: Flowers

Plant Life Cycle: Fruits and Seeds

Genetics

Plant Systematics and Evolution

Diversity of Plant Life

Human Nutrition

Origins of Agriculture

The Grasses

Legumes

Feeding a Hungry World

Stimulating Beverages

Herbs and Spices

Materials: Cloth, wood, and Paper

Medicinal Plants

Psychoactive Plants

Poisonous and Allergy Plants

The Algae

Fungi in the Natural Environment

Beverages and Foods From Fungi

Fungi That Affect Human Health

Plant Ecology

Filters

is the major component of starch comprising about percent of this molecule.