Question 1

Animal fibers,such as wool and silk,are made of protein whereas plant fibers are composed primarily of cellulose.

Accepted Answer

A) True 
 B)False

Question 2

Botanically speaking,________ is secondary xylem tissue.

Accepted Answer

The answer of Botanically speaking,________ is secondary xylem tissue....

Question 3

________ cloth was the indigenous fabric of Polynesia.

Accepted Answer

The answer of ________ cloth was the indigenous fabric of...

Question 4

Which of the following is a type of basket for keeping bees?

Accepted Answer

A) rattle-lid 
B) cat-heads 
C) hollow lid 
D) feather 
E) skep 
A) rattle-lid 
B) cat-heads 
C) hollow lid 
D) feather 
E) skep

Question 5

This "softwood" tree species was used to make masts for sailing ships but was mostly wiped out by overharvesting and a fungal disease called pine blister rust.This softwood tree species is which of the following?

Accepted Answer

A) Swietenia mahagoni 
B) Pinus strobus 
C) Pseudotsuga menziesii 
D) Quercus alba 
E) Pinus contorta 
A) Swietenia mahagoni 
B) Pinus strobus 
C) Pseudotsuga menziesii 
D) Quercus alba 
E) Pinus contorta

Question 6

Gossypium spp.are the source of which of the following?

Accepted Answer

A) linen. 
B) cotton. 
C) wool. 
D) rayon. 
E) sisal. 
A) linen. 
B) cotton. 
C) wool. 
D) rayon. 
E) sisal.

Question 7

Softwood mostly comprises which of the following?

Accepted Answer

A) vessels 
B) tracheids 
C) bas 
D) fibers 
E) None of the above are correct. 
A) vessels 
B) tracheids 
C) bas 
D) fibers 
E) None of the above are correct.

Question 8

Today the resonators in marimbas and xylophones are usually metal;however,in the original instruments the resonators were made from ________.

Accepted Answer

The answer of Today the resonators in marimbas and xylophones...

Question 9

Which plant oil given below serves as the base for linoleum and oilcloths?

Accepted Answer

A) cottonseed 
B) linseed 
C) hemp 
D) soybean 
E) safflower 
A) cottonseed 
B) linseed 
C) hemp 
D) soybean 
E) safflower

Question 10

Bamboo and kenaf have been suggested as a source of ________ for paper production.

Accepted Answer

The answer of Bamboo and kenaf have been suggested as...

Question 11

Which of the following terms is not matched correctly?

Accepted Answer

A) bast fibers :: secondary phloem 
B) hard fibers :: vascular bundles 
C) surface fibers :: seed hairs 
D) soft fibers :: seed coats 
E) leaf fibers :: monocot leaves 
A) bast fibers :: secondary phloem 
B) hard fibers :: vascular bundles 
C) surface fibers :: seed hairs 
D) soft fibers :: seed coats 
E) leaf fibers :: monocot leaves

Question 12

This leaf fiber derives from desert Agave spp and is used for making rope and floor mats.This leaf fiber is called ________.

Accepted Answer

A) manilla hemp 
B) hemp 
C) kapok 
D) coir 
E) sisal 
A) manilla hemp 
B) hemp 
C) kapok 
D) coir 
E) sisal

Question 13

What is the name of the harvesting process that frees the flax fibers from any remaining stem particles?

Accepted Answer

A) Sketching 
B) Scutching 
C) Blanching 
D) Searing 
E) Bleaching 
A) Sketching 
B) Scutching 
C) Blanching 
D) Searing 
E) Bleaching

Question 14

The tree with the densest wood is which of the following?

Accepted Answer

A) Ochroma pyramidale 
B) Swietenia mahagoni 
C) Guaiacum officinale 
D) Pseudotsuga menziesii 
E) Quercus alba 
A) Ochroma pyramidale 
B) Swietenia mahagoni 
C) Guaiacum officinale 
D) Pseudotsuga menziesii 
E) Quercus alba

Question 15

________ is the source of the seed fiber coir.

Accepted Answer

The answer of ________ is the source of the seed...

Question 16

Which of the following is not correct?

Accepted Answer

A) Both New World species of cotton are tetraploids (2n = 52). 
B) The use of cotton harvested from Gossypium barbadense dates back well before 10,000 years ago. 
C) Eli Whitney's invention of the cotton gin had its greatest effect in the Midwest. 
D) Mechanized cotton production "came of age" at the same time Europe's demand for cotton grew. 
E) Cotton seeds can be used to make livestock feed and cooking oil. 
A) Both New World species of cotton are tetraploids (2n = 52). 
B) The use of cotton harvested from Gossypium barbadense dates back well before 10,000 years ago. 
C) Eli Whitney's invention of the cotton gin had its greatest effect in the Midwest. 
D) Mechanized cotton production "came of age" at the same time Europe's demand for cotton grew. 
E) Cotton seeds can be used to make livestock feed and cooking oil.

Question 17

Rayon,essentially,is a "synthetic" fiber made from which of the following?

Accepted Answer

A) pure cellulose 
B) cotton bolls 
C) hemp fibers 
D) flax seeds 
E) jute backing 
A) pure cellulose 
B) cotton bolls 
C) hemp fibers 
D) flax seeds 
E) jute backing

Question 18

A process that employs microbes to extract fibers from materials is called ________.

Accepted Answer

A) ginning 
B) decortication 
C) retting 
D) coiling 
E) plaiting 
A) ginning 
B) decortication 
C) retting 
D) coiling 
E) plaiting

Question 19

Wild flax fibers were discovered in a cave in the western part of the Republic of Georgia with an age of ________ years.

Accepted Answer

A) 5,000 
B) 10,000 
C) 20,000 
D) 30,000 
E) The age was impossible to determine. 
A) 5,000 
B) 10,000 
C) 20,000 
D) 30,000 
E) The age was impossible to determine.

Question 20

Which of the following is a correct statement about Bt cotton hybrid?

Accepted Answer

A) It is an insect toxin produced by the gene Cry1Ac. 
B) It is effective against several bollworm pests of cotton. 
C) It has greatly reduced the use of chemical pesticides. 
D) In India,use of Bt cotton increased yields dramatically. 
E) All of these are correct statements about Bt cotton. 
A) It is an insect toxin produced by the gene Cry1Ac. 
B) It is effective against several bollworm pests of cotton. 
C) It has greatly reduced the use of chemical pesticides. 
D) In India,use of Bt cotton increased yields dramatically. 
E) All of these are correct statements about Bt cotton.

Exam 18: Materials: Cloth, wood, and Paper

Animal fibers,such as wool and silk,are made of protein whereas plant fibers are composed primarily of cellulose.

Botanically speaking,________ is secondary xylem tissue.

________ cloth was the indigenous fabric of Polynesia.

Which of the following is a type of basket for keeping bees?

This "softwood" tree species was used to make masts for sailing ships but was mostly wiped out by overharvesting and a fungal disease called pine blister rust.This softwood tree species is which of the following?

Gossypium spp.are the source of which of the following?

Softwood mostly comprises which of the following?

Today the resonators in marimbas and xylophones are usually metal;however,in the original instruments the resonators were made from ________.

Which plant oil given below serves as the base for linoleum and oilcloths?

Bamboo and kenaf have been suggested as a source of ________ for paper production.

Which of the following terms is not matched correctly?

This leaf fiber derives from desert Agave spp and is used for making rope and floor mats.This leaf fiber is called ________.

What is the name of the harvesting process that frees the flax fibers from any remaining stem particles?

The tree with the densest wood is which of the following?

________ is the source of the seed fiber coir.

Which of the following is not correct?

Rayon,essentially,is a "synthetic" fiber made from which of the following?

A process that employs microbes to extract fibers from materials is called ________.

Wild flax fibers were discovered in a cave in the western part of the Republic of Georgia with an age of ________ years.

Which of the following is a correct statement about Bt cotton hybrid?

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

Starchy Staples

Feeding a Hungry World

Stimulating Beverages

Herbs and Spices

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

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