Question 1

Which one of the following is not one of the many uses of Leucaena leucocephala?

Accepted Answer

A) edible seeds 
B) firewood 
C) making furniture 
D) restoring soil fertility 
E) producing lecithin 
A) edible seeds 
B) firewood 
C) making furniture 
D) restoring soil fertility 
E) producing lecithin E

Question 2

Which leguminous tree has been nicknamed "Jack's beanstalk" because of its amazing growth rate?

Accepted Answer

A) winged bean 
B) leucaena 
C) groundnut 
D) lesquerella 
E) soybean 
A) winged bean 
B) leucaena 
C) groundnut 
D) lesquerella 
E) soybean B

Question 3

What is one disadvantage of planting hybrid seed?

Accepted Answer

A) Seed must be purchased anew each time there is a planting. 
B) Hybrid plants are less vigorous. 
C) Yields are less than with non-hybrid plants. 
D) Hybrid plants are more susceptible to diseases. 
E) All of these are disadvantages to planting hybrid seed. 
A) Seed must be purchased anew each time there is a planting. 
B) Hybrid plants are less vigorous. 
C) Yields are less than with non-hybrid plants. 
D) Hybrid plants are more susceptible to diseases. 
E) All of these are disadvantages to planting hybrid seed. A

Question 4

Bacteria found in nodules in the roots of legumes can convert atmospheric nitrogen into nitrates,a form usable to plants by a process known as nitrogen ________.

Accepted Answer

The answer of Bacteria found in nodules in the roots...

Question 5

The average amount of protein in beans is ________ percent.

Accepted Answer

A) 5 
B) 10 
C) 15 
D) 20 
E) 25 
A) 5 
B) 10 
C) 15 
D) 20 
E) 25

Question 6

________ is a relatively non-polluting fuel developed from vegetable oils that can substitute for petroleum-derived products.

Accepted Answer

The answer of ________ is a relatively non-polluting fuel developed...

Question 7

This legume is grown mainly in Mesoamerica and is a tropical vine.The part eaten is the tuberous roots.This legume is called:

Accepted Answer

A) jicama 
B) groundnut 
C) carob 
D) tamarind 
E) tuba-root 
A) jicama 
B) groundnut 
C) carob 
D) tamarind 
E) tuba-root

Question 8

Which of the following is correct?

Accepted Answer

A) Nitrogen is an important element in amino acids,proteins,and cholesterol. 
B) Plants lacking a symbiotic nitrogen-fixing partner must rely on nitrogen compounds in the soil. 
C) Most commercial fertilizers contain nodules with nitrogen-fixing bacteria. 
D) A positive effect of nitrogen fertilizer application is that it can cause huge population increases of algae called "algal blooms." 
E) Humans have had little impact on the nitrogen cycle,even with the burning of fossil fuels. 
A) Nitrogen is an important element in amino acids,proteins,and cholesterol. 
B) Plants lacking a symbiotic nitrogen-fixing partner must rely on nitrogen compounds in the soil. 
C) Most commercial fertilizers contain nodules with nitrogen-fixing bacteria. 
D) A positive effect of nitrogen fertilizer application is that it can cause huge population increases of algae called "algal blooms." 
E) Humans have had little impact on the nitrogen cycle,even with the burning of fossil fuels.

Question 9

Sixty percent of the soybean genome consists of which of the following?

Accepted Answer

A) exons. 
B) introns. 
C) transposons. 
D) point mutations. 
E) regulatory DNA. 
A) exons. 
B) introns. 
C) transposons. 
D) point mutations. 
E) regulatory DNA.

Question 10

The cultivated peanut is known to be a natural hybrid of two wild diploid species:

Accepted Answer

A) Arachis duranensis and Arachis ipaensis 
B) Arachis duranensis and arachnids 
C) Aesclepias tuborosa and Arachis ipaensis 
D) Glycine max and Arachis ipaensis 
E) None of the above are correct. 
A) Arachis duranensis and Arachis ipaensis 
B) Arachis duranensis and arachnids 
C) Aesclepias tuborosa and Arachis ipaensis 
D) Glycine max and Arachis ipaensis 
E) None of the above are correct.

Question 11

Legumes are an excellent source of high-quality protein.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following oils is not correctly paired with the type of oil it is?

Accepted Answer

A) sunflower :: nondrying 
B) soy :: drying 
C) castor bean :: nondrying 
D) sunflower :: semidrying 
E) tung :: drying 
A) sunflower :: nondrying 
B) soy :: drying 
C) castor bean :: nondrying 
D) sunflower :: semidrying 
E) tung :: drying

Question 13

Which legume is considered the "Cinderella Crop"?

Accepted Answer

A) peas 
B) lentils 
C) green beans 
D) soybeans 
E) string beans 
A) peas 
B) lentils 
C) green beans 
D) soybeans 
E) string beans

Question 14

How is alfalfa an important tool in biotechnology?

Accepted Answer

A) Its cells readily incorporate novel genes. 
B) It is easy to cross alfalfa with almost any other plant. 
C) Its DNA hybridizes with animal DNA. 
D) Its cells clone easily. 
E) None of the above are correct. 
A) Its cells readily incorporate novel genes. 
B) It is easy to cross alfalfa with almost any other plant. 
C) Its DNA hybridizes with animal DNA. 
D) Its cells clone easily. 
E) None of the above are correct.

Question 15

Anthropogenic sources of fixed nitrogen are roughly half the amounts contributed by all other natural sources.

Accepted Answer

A) True 
 B)False

Question 16

Most legumes share very similar flower and fruit structures.The fruit is commonly classified as which one of the following?

Accepted Answer

A) pod 
B) umbel 
C) raceme 
D) nut 
E) None of the above are correct 
A) pod 
B) umbel 
C) raceme 
D) nut 
E) None of the above are correct

Question 17

The peanut,Arachis hypogaea,is a very unusual plant because of which of the following?

Accepted Answer

A) After pollination,the flower stalk elongates and pushes the developing fruit into the soil. 
B) The erect bean stalk can reach over 30 meters in height. 
C) The embryo has only one cotyledon. 
D) The peanut butter is nutritionally superior to almond butter. 
E) None of the above are correct. 
A) After pollination,the flower stalk elongates and pushes the developing fruit into the soil. 
B) The erect bean stalk can reach over 30 meters in height. 
C) The embryo has only one cotyledon. 
D) The peanut butter is nutritionally superior to almond butter. 
E) None of the above are correct.

Question 18

The most widely grown forage legume is which of the following?

Accepted Answer

A) Pisum sativum 
B) Arachis hypogea 
C) Vicia faba 
D) Glycine max 
E) Medicago sativa 
A) Pisum sativum 
B) Arachis hypogea 
C) Vicia faba 
D) Glycine max 
E) Medicago sativa

Question 19

Which of the following types of oil can form a thin waterproof,elastic film?

Accepted Answer

A) drying 
B) semidrying 
C) nondrying 
D) wetting 
E) All of these types of oil can form a thin waterproof,elastic film 
A) drying 
B) semidrying 
C) nondrying 
D) wetting 
E) All of these types of oil can form a thin waterproof,elastic film

Question 20

Legumes are members of the bean family,Fabaceae,which also includes alfalfa,clover,and corn.

Accepted Answer

A) True 
 B)False

Exam 13: Legumes

Which one of the following is not one of the many uses of Leucaena leucocephala?

Which leguminous tree has been nicknamed "Jack's beanstalk" because of its amazing growth rate?

What is one disadvantage of planting hybrid seed?

Bacteria found in nodules in the roots of legumes can convert atmospheric nitrogen into nitrates,a form usable to plants by a process known as nitrogen ________.

The average amount of protein in beans is ________ percent.

________ is a relatively non-polluting fuel developed from vegetable oils that can substitute for petroleum-derived products.

This legume is grown mainly in Mesoamerica and is a tropical vine.The part eaten is the tuberous roots.This legume is called:

Which of the following is correct?

Sixty percent of the soybean genome consists of which of the following?

The cultivated peanut is known to be a natural hybrid of two wild diploid species:

Legumes are an excellent source of high-quality protein.

Which of the following oils is not correctly paired with the type of oil it is?

Which legume is considered the "Cinderella Crop"?

How is alfalfa an important tool in biotechnology?

Anthropogenic sources of fixed nitrogen are roughly half the amounts contributed by all other natural sources.

Most legumes share very similar flower and fruit structures.The fruit is commonly classified as which one of the following?

The peanut,Arachis hypogaea,is a very unusual plant because of which of the following?

The most widely grown forage legume is which of the following?

Which of the following types of oil can form a thin waterproof,elastic film?

Legumes are members of the bean family,Fabaceae,which also includes alfalfa,clover,and corn.

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

Starchy Staples

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