Biology 1st Quarter Benchmark (part 2) Question Preview (ID: 21755)

This Will Help Prep For The 1st Qtr BM Exam In Bio.

Which one is NOT true of Proteins?
a) called the “Building materials of life”
b) contains only C, H, O, and Nitrogen
c) are the main compound in cell membranes
d) also known as Polypeptides

Which one is NOT true of Nucleic Acids?
a) are made of bases and acids
b) monomer is called a nucleotide
c) contain the “genetic code”
d) make up DNA and RNA

Which one is NOT true of Carbohydrates?
a) Are called Saccharides
b) Chemical formula is of C, H, and O in a 1:2:1 ratio
c) Bonded by peptide bonds.
d) the body’s main source of energy.

What are the levels of organization in ecology from most inclusive to most specific?
a) biosphere, community, ecosystem, population,organism
b) organism, population, community, ecosystem, biosphere
c) organism, community, population, ecosystem, biosphere
d) biosphere, ecosystem, community, population, organism

A symbiotic relationship in which both species derive some benefit is called
a) competition
b) parasitism
c) mimicry
d) mutualism

The number of individuals the environment can support over a long period of time
a) carrying capacity
b) limiting factors
c) climax community
d) competitive exclusion

The sum of all the chemical processes in an organism
a) photosynthesis
b) commensalism
c) homeostasis
d) metabolism

How would you identify a solution that has equal amounts of hydronium ions and hydroxide ions?
a) acidic
b) basic
c) neutral
d) aqueous

Which property of water allows water to move upwards through narrow tubes, against the force of gravity?
a) capillarity
b) adhesion
c) cohesion
d) surface tension

The role a species plays in its environment
a) habitat
b) niche
c) kaiser
d) community

When community had reached a stable, end point of succession
a) climax community
b) pioneer species
c) secondary succession
d) primary succession

In which symbiotic relationship does one species benefit and the other is unaffected?
a) commensalism
b) parasitism
c) mutualism
d) mimicry

What is a parasite that feeds outside it’s host called?
a) endoparasite
b) ectoparasite
c) endohost
d) ectohost

One species is eliminated from a community because of competition for the same limited resource
a) competitive exclusion
b) parasitism
c) predation
d) mimicry

The property of water that creates surface tension, causing a needle to float on water
a) cohesion
b) adhesion
c) capillarity
d) viscosity

What protects organisms on Earth by absorbing UV rays?
a) nebulas
b) suntan lotion
c) ozone layer
d) greenhouse effect

If an aqueous solution is determined to have a pH level of 12, then which of the following statements is true?
a) it is an acid
b) it will turn red litmus to blue
c) it will turn blue litmus to red
d) both a and c

Which of the following is true of mimicry?
a) When a harmful species resembles a harmless species
b) When a harmless species resembles a more harmful species
c) When an organism feeds on another and consumes it
d) When an organism feeds off another without killing it

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