Question 1

Which of the following is the best definition of a scientific theory?

Accepted Answer

A) an explanation that is always supported by the facts and has never been disproved 
B) an educated guess 
C) a tentative explanation for an observed phenomenon 
D) an observation observed so many times it is considered a fact 
E) an undeniable truth supported by scientific evidence 
A) an explanation that is always supported by the facts and has never been disproved 
B) an educated guess 
C) a tentative explanation for an observed phenomenon 
D) an observation observed so many times it is considered a fact 
E) an undeniable truth supported by scientific evidence

Question 2

Amino acids are attached to each other in a protein by ________ bonds.

Accepted Answer

The answer of Amino acids are attached to each other...

Question 3

What is the main importance of gymnosperms to human societies?

Accepted Answer

A) their seeds are important food sources 
B) medicines for a wide variety of illnesses 
C) wood for construction,fuel,and paper 
D) floral arrangements 
E) both their use as medicines and seeds for food 
A) their seeds are important food sources 
B) medicines for a wide variety of illnesses 
C) wood for construction,fuel,and paper 
D) floral arrangements 
E) both their use as medicines and seeds for food

Question 4

The consumption of meat by humans indirectly makes them ________.

Accepted Answer

A) primary consumers 
B) secondary consumers 
C) primary producers 
D) secondary producers 
E) herbivores 
A) primary consumers 
B) secondary consumers 
C) primary producers 
D) secondary producers 
E) herbivores

Question 5

Of all the algae,only the brown algae are considered part of the plant kingdom.

Accepted Answer

A) True 
 B)False

Question 6

The Kingdom Fungi include which of the following organisms?

Accepted Answer

A) Molds 
B) Mildews 
C) Yeast 
D) Mushrooms 
E) All of the above are classified as fungi. 
A) Molds 
B) Mildews 
C) Yeast 
D) Mushrooms 
E) All of the above are classified as fungi.

Question 7

Toxic algal blooms are becoming more common due to which of the following?

Accepted Answer

A) natural causes 
B) over harvesting of fish and other marine species 
C) increased recreational activities on lakes and streams 
D) increased nutrient pollution 
E) More than one of these reasons are correct. 
A) natural causes 
B) over harvesting of fish and other marine species 
C) increased recreational activities on lakes and streams 
D) increased nutrient pollution 
E) More than one of these reasons are correct.

Question 8

A biochemist discovers a molecule with a structure consisting of a phosphate group,a five-carbon sugar,and a nitrogenous base.This molecule is most likely classified as which of the following?

Accepted Answer

A) protein 
B) carbohydrate 
C) nucleic acid 
D) lipid 
E) secondary metabolite 
A) protein 
B) carbohydrate 
C) nucleic acid 
D) lipid 
E) secondary metabolite

Which of the following is the best definition of a scientific theory?

Amino acids are attached to each other in a protein by ________ bonds.

What is the main importance of gymnosperms to human societies?

The consumption of meat by humans indirectly makes them ________.

Of all the algae,only the brown algae are considered part of the plant kingdom.

The Kingdom Fungi include which of the following organisms?

Toxic algal blooms are becoming more common due to which of the following?

A biochemist discovers a molecule with a structure consisting of a phosphate group,a five-carbon sugar,and a nitrogenous base.This molecule is most likely classified as which of the following?

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

Poisonous and Allergy Plants

The Algae

Fungi in the Natural Environment

Beverages and Foods From Fungi

Fungi That Affect Human Health

Plant Ecology

Filters

Exam 1: Plants in Our Lives

Which of the following is the best definition of a scientific theory?

Amino acids are attached to each other in a protein by ________ bonds.

What is the main importance of gymnosperms to human societies?

The consumption of meat by humans indirectly makes them ________.

Of all the algae,only the brown algae are considered part of the plant kingdom.

The Kingdom Fungi include which of the following organisms?

Toxic algal blooms are becoming more common due to which of the following?

A biochemist discovers a molecule with a structure consisting of a phosphate group,a five-carbon sugar,and a nitrogenous base.This molecule is most likely classified as which of the following?

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

Poisonous and Allergy Plants

The Algae

Fungi in the Natural Environment

Beverages and Foods From Fungi

Fungi That Affect Human Health

Plant Ecology

Filters