Question 1

Which of the following compounds is responsible for the symptoms of an allergic response?

Accepted Answer

A) histamine 
B) usnic acid 
C) cytisine 
D) glutamine 
E) more than one of these compounds is responsible for the symptoms of an allergic response 
A) histamine 
B) usnic acid 
C) cytisine 
D) glutamine 
E) more than one of these compounds is responsible for the symptoms of an allergic response A

Question 2

___________ are plant compounds that make the skin more susceptible to ultraviolet radiation,often inducing a blistery sunburn.

Accepted Answer

Phototoxins

Question 3

All of the plants below are correctly paired with the toxic compound they produce except one.Choose the exception.

Accepted Answer

A) Strychnos toxifera - curare 
B) Conicum maculatum - cicutoxin 
C) Asclepius spp.- galitoxin 
D) Nerium oleander - nerioside 
E) Sophora secundiflora - cytisine 
A) Strychnos toxifera - curare 
B) Conicum maculatum - cicutoxin 
C) Asclepius spp.- galitoxin 
D) Nerium oleander - nerioside 
E) Sophora secundiflora - cytisine B

Question 4

Strychnine said to be the deadliest natural poison,is a toxic protein found in the mottled seeds of the common castor bean.

Accepted Answer

A) True 
 B)False

Question 5

Increased use of gloves for protection in medical and dental practice has increased the incidence of latex allergy.

Accepted Answer

A) True 
 B)False

Question 6

Several days after a meal of bean soup,Lenora the blacksmith started vomiting and had diarrhea.She felt like her mouth and throat were on fire.Later,she started bleeding from her eyes and coughing up blood.She eventually died from kidney failure.What poison killed Lenora the blacksmith?

Accepted Answer

A) ricin 
B) saponin 
C) cytisine 
D) andromedotoxin 
E) neroside 
A) ricin 
B) saponin 
C) cytisine 
D) andromedotoxin 
E) neroside

Question 7

Most hay fever is caused by pollen from the plant,

Accepted Answer

A) Juniperus ashei. 
B) Ambrosia artemisiifolia. 
C) Cynodon dactylis. 
D) Toxicodendron radicans. 
E) Encella farinosa. 
A) Juniperus ashei. 
B) Ambrosia artemisiifolia. 
C) Cynodon dactylis. 
D) Toxicodendron radicans. 
E) Encella farinosa.

Question 8

What part of the ricin molecule is the toxin?

Accepted Answer

A) the disulfide bond 
B) the polypeptide A chain 
C) the polypeptide B chain 
D) the vesicle that surrounds it 
A) the disulfide bond 
B) the polypeptide A chain 
C) the polypeptide B chain 
D) the vesicle that surrounds it

Question 9

The allergens in pollen are

Accepted Answer

A) glycoproteins. 
B) lipoproteins. 
C) immunoglobins. 
D) lymphocytes 
E) glycosides. 
A) glycoproteins. 
B) lipoproteins. 
C) immunoglobins. 
D) lymphocytes 
E) glycosides.

Question 10

Manuel the software developer suddenly saw a big flash of light and started having violent convulsions.24 hours later,he was dead.What poison killed Manuel the software developer?

Accepted Answer

A) hemlock 
B) curare 
C) milkweed juice 
D) strychnine 
E) usnic acid 
A) hemlock 
B) curare 
C) milkweed juice 
D) strychnine 
E) usnic acid

Question 11

________ is a type of interaction between plants in which chemicals are released into the environment that inhibit the growth and development of competing plants.

Accepted Answer

The answer of ________ is a type of interaction between...

Question 12

How does curare have its effect?

Accepted Answer

A) it overstimulates the central nervous system 
B) it blocks neurotransmitter receptors in the motor cortex of the brain 
C) it blocks nerve impulses to muscles 
D) it inhibits the heart pacemaker causing the heart to stop beating 
E) it causes the lysing of ribosome thus stopping protein synthesis 
A) it overstimulates the central nervous system 
B) it blocks neurotransmitter receptors in the motor cortex of the brain 
C) it blocks nerve impulses to muscles 
D) it inhibits the heart pacemaker causing the heart to stop beating 
E) it causes the lysing of ribosome thus stopping protein synthesis

Question 13

A foreign substance that triggers an immune response is a(n)

Accepted Answer

A) antibody. 
B) antigen. 
C) lymphocytes. 
D) immunoglobin. 
E) basophil. 
A) antibody. 
B) antigen. 
C) lymphocytes. 
D) immunoglobin. 
E) basophil.

Question 14

The leading cause of hay fever in early summer are

Accepted Answer

A) molds. 
B) angiosperm trees. 
C) grasses. 
D) weeds. 
E) conifers. 
A) molds. 
B) angiosperm trees. 
C) grasses. 
D) weeds. 
E) conifers.

Question 15

Which of the following antibodies is involved in the allergic reaction?

Accepted Answer

A) IgA 
B) IgD 
C) IgE 
D) IgG 
E) IgM 
A) IgA 
B) IgD 
C) IgE 
D) IgG 
E) IgM

Question 16

Which of the following statements is not true about usnic acid?

Accepted Answer

A) it is a secondary product found in species of Asclepias 
B) it is antiviral and antibacterial 
C) it blocks the production of carotenoids 
D) it has been used as a weight-loss supplement 
E) all of these statements are true about usnic acid 
A) it is a secondary product found in species of Asclepias 
B) it is antiviral and antibacterial 
C) it blocks the production of carotenoids 
D) it has been used as a weight-loss supplement 
E) all of these statements are true about usnic acid

Question 17

How does ricin stop protein synthesis?

Accepted Answer

A) It hardens cell membranes making it impossible for amino acids to enter the cell. 
B) It pokes holes in the rough endoplasmic reticula. 
C) It destroys ribosomes by lysing them. 
D) It prevents Golgi apparatus vesicles from forming. 
A) It hardens cell membranes making it impossible for amino acids to enter the cell. 
B) It pokes holes in the rough endoplasmic reticula. 
C) It destroys ribosomes by lysing them. 
D) It prevents Golgi apparatus vesicles from forming.

Question 18

All of the toxins below are correctly paired with the physiological effects they cause except one.Choose the exception.

Accepted Answer

A) coniinine - paralysis begins in lower limbs and moves upward eventually paralyzing the diaphragm 
B) cytisine - hallucinations followed by paralysis of respiratory muscles 
C) tremetol - acidosis and lethargy 
D) saponins - rapid and acute muscle paralysis 
A) coniinine - paralysis begins in lower limbs and moves upward eventually paralyzing the diaphragm 
B) cytisine - hallucinations followed by paralysis of respiratory muscles 
C) tremetol - acidosis and lethargy 
D) saponins - rapid and acute muscle paralysis

Question 19

Amal published a scientific paper on flowering cycles of Quercus garryana.Amal is a

Accepted Answer

A) etiologist. 
B) phenologist. 
C) pathologist. 
D) philologist. 
E) phrenologist. 
A) etiologist. 
B) phenologist. 
C) pathologist. 
D) philologist. 
E) phrenologist.

Question 20

Allelopathy in desert environments evolved in response to

Accepted Answer

A) pollinator competition. 
B) discouraging herbivory. 
C) fruit dispersal. 
D) water competition. 
E) foraging by indigenous peoples. 
A) pollinator competition. 
B) discouraging herbivory. 
C) fruit dispersal. 
D) water competition. 
E) foraging by indigenous peoples.

Exam 21: Poisonous and Allergy Plants

Which of the following compounds is responsible for the symptoms of an allergic response?

___________ are plant compounds that make the skin more susceptible to ultraviolet radiation,often inducing a blistery sunburn.

All of the plants below are correctly paired with the toxic compound they produce except one.Choose the exception.

Strychnine said to be the deadliest natural poison,is a toxic protein found in the mottled seeds of the common castor bean.

Increased use of gloves for protection in medical and dental practice has increased the incidence of latex allergy.

Several days after a meal of bean soup,Lenora the blacksmith started vomiting and had diarrhea.She felt like her mouth and throat were on fire.Later,she started bleeding from her eyes and coughing up blood.She eventually died from kidney failure.What poison killed Lenora the blacksmith?

Most hay fever is caused by pollen from the plant,

What part of the ricin molecule is the toxin?

The allergens in pollen are

Manuel the software developer suddenly saw a big flash of light and started having violent convulsions.24 hours later,he was dead.What poison killed Manuel the software developer?

________ is a type of interaction between plants in which chemicals are released into the environment that inhibit the growth and development of competing plants.

How does curare have its effect?

A foreign substance that triggers an immune response is a(n)

The leading cause of hay fever in early summer are

Which of the following antibodies is involved in the allergic reaction?

Which of the following statements is not true about usnic acid?

How does ricin stop protein synthesis?

All of the toxins below are correctly paired with the physiological effects they cause except one.Choose the exception.

Amal published a scientific paper on flowering cycles of Quercus garryana.Amal is a

Allelopathy in desert environments evolved in response to

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

Materials: Cloth, Wood, and Paper

Medicinal Plants

Psychoactive Plants

The Algae

Fungi in the Natural Environment

Beverages and Foods From Fungi

Fungi That Affect Human Health

Plant Ecology

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