FREE BIOLOGY AND STUDY GAMES ABOUT TEST 1

PDF Download

FREE BIOLOGY AND STUDY GAMES ABOUT TEST #1

REVIEW

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -98 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: Property of Life: Metabolism

Answer:

All organisms require energy and produce waste products.Question 2: We can be sure that a mole of table sugar and a mole of vitamin c are equal in their:

Answer:

Number of molecules.

Question 3: Geometric isomers are molecules that ___.

Answer:

Differ in arrangement of their atoms about a double bond.Question 4: Organic chemistry is currently defined as:

Answer:

The study of carbon compounds.

Question 5: Ocean temperatures fluctuate much less than temperatures on land

Answer:

absorbing/releasing heat.

Question 6: About how many molecules in a glass of water are dissociated?

Answer:

• in 500,000,000 (1 in half a billion)

Question 7: A hydrophobic material?

Answer:

Wax Question 8: Property of Life: Homeostasis

Answer:

All organisms maintain stable internal conditions that are different than the surrounding environment.Question 9: What is the hydroxide ion concentration of the lake with a pH of 4.0?

Answer:

10^-10 M

Question 10: Property of Life: Movement

Answer:

All organisms are capable of self-generated movement at some scale and at some stage of their life cycle.

Question 11: Hydrophobic

Answer:

Afraid of water (ex: oil, wax)

Question 12: L-dopa is used to treat ___.

Answer:

Parkinson's disease.

Question 13: Which chemical group is most likely to be responsible for an organic molecule behaving as a base?

Answer:

Amino Question 14: Theme: Organisms interact with their environments, exchanging matter and energy

Answer:

Ecosystem. energy conversion, Question 15: In the five-kingdom system, prokaryotes are placed in the kingdom ____.

Answer:

Monera Question 16: Insects like water strides can walk on the surface of a pond without breaking the surface

Answer:

Cohesion; surface tension

Question 17: Humans sweat and dogs pant to cool themselves on hot days.

Answer:

Regulation of temperature

Question 18: Non-Polar Covalent Bonds

Answer:

formed when 2 atoms have similar or equal electronegativity.

Question 19: Discovery Science

Answer:

Describes natural structures and processes as accurately as possible through careful observation and analysis of data. (Ex: discovery science built our understanding of cell structure).

Question 20: The correct equation for the dissociation of water?

Answer:

H2O + H2O <==> H30+ + OH-

Question 21: What is the charge on a hydronium ion?

Answer:

1+ Question 22: What is not an observation or inference on which Darwin's theory of natural selection is based?

Answer:

Poorly adapted individuals never produce offspring.

Question 23: Adhesion

Answer:

the clinging of one substance to another.

Question 24: Van der Waals Interactions

Answer:

Weak attractions between molecules or part of molecules that result from localized charge fluctuations.Occur when atoms and molecules are very close together (ex: Lizard's ability to walk up a wall).

Question 25: Reactants

Answer:

the starting substances.

Question 26: What is the charge on a hydroxide ion?

Answer:

1-

Question 27: Ecosystem Dynamics

Answer:

Cycling of nutrients (minerals acquired by a tree will eventually be returned to the soil); One-way flow of energy from sunlight to producers to consumers.Question 28: What name is given to organisms that convert the carbon in organic compounds into carbon in carbon dioxide?

Answer:

Decomposers