Question 1

Which of the following is a cold-blooded animal?

Accepted Answer

A)  Chicken
B)  Protozoon
C)  Snake
D)  Whale
E)  Grasshopper C

Question 2

The number of chromosomes contained in a human kidney cell is:

Accepted Answer

A)  23
B)  50
C)  42
D)  46
E)  10 D

Question 3

Over the course of 150 years, an area filled with weeds becomes more diverse and weeds are replaced by grasses, shrubs, and ultimately oaks. This process is defined as

Accepted Answer

A)  Mutation
B)  Adaptation
C)  Succession
D)  Divergence
E)  Convergence C

Question 4

What type of radioactive emission does not have mass?

Accepted Answer

A)  Beta emission
B)  Alpha emission
C)  Positron emission
D)  Gamma emission
E)  All types of radioactive emission have mass

Question 5

All of the following are products of the nitrogen cycle EXCEPT:

Accepted Answer

A)  N2
B)  NO3
C)  NO2
D)  NH3
E)  O2

Question 6

A 40.0 gram sample of a radioactive element decays to 5.0 grams in 15 hours. What is the half-life of this element?

Accepted Answer

A)  3 hours
B)  2 hours
C)  6 hours
D)  7) 5 hours
E)  5 hours

Question 7

A population of bison was separated by the construction of a new interstate. The construction also separates bison east of the interstate from its natural predator, and bison west of the river from the primary source of water. Much time passes.
The horns of bison east of the interstate become less sharp than those west of the interstate. This is an example of:

Accepted Answer

A)  Speciation
B)  Divergent evolution
C)  Convergent evolution
D)  Succession
E)  Parasitism

Question 8

What theory suggests that light consists of very small bundles of energy particles?

Accepted Answer

A)  The theory of general relativity
B)  The big bang theory
C)  The quantum theory
D)  The theory of evolution

Question 9

Which of the following is not a phase of mitosis?

Accepted Answer

A)  Interphase
B)  Prophase
C)  Chromophase
D)  Anaphase

Question 10

What is the product of a large static discharge traveling between two objects in the air?

Accepted Answer

A)  Thunder
B)  Lightening
C)  Grounding
D)  None of the above

Question 11

Which of the following describes the study of paleontology?

Accepted Answer

A)  The study of fossils
B)  The study of dinosaurs
C)  The study of ecology and climate of the past
D)  All of the above

Question 12

Which of the following is a result of babies born with an abnormal chromosome count?

Accepted Answer

A)  They have no chance of surviving.
B)  They tend to be more intelligent.
C)  They are the same as babies with the normal amount of chromosomes.
D)  They could have Down syndrome.

Question 13

Which is true of ecological succession?

Accepted Answer

A)  Pioneer species move into the new communities first
B)  Climax communities have higher total biomass than preceding communities
C)  Species diversity increases with each stage of succession
D)  Climax communities do not change
E)  All of the above

Question 14

Which of the following substances will turn blue litmus paper red?

Accepted Answer

A)  HCl
B)  H2O
C)  NaCl
D)  NaOH
E)  NH3

Question 15

Translation involves which two types of compounds ______________.

Accepted Answer

A)  DNA and tRNA
B)  RNA and DNA
C)  mRNA andDNA
D)  tRNA and mRNA
E)  mRNA and protein

Question 16

Which of the following describes having three copies of a chromosome?

Accepted Answer

A)  Monosomy
B)  Disomy
C)  Trisomy
D)  Tetrasomy
E)  Pentasomy

Question 17

Of the following, which of the groups below has the smallest number of species?

Accepted Answer

A)  Order
B)  Kingdom
C)  Phylum
D)  Class
E)  Genus

Question 18

No two species can occupy the same ___________.

Accepted Answer

A)  Population
B)  Niche
C)  Ecosystem
D)  Niche.
E)  Biome

Question 19

Which of the following is the best conductor of electricity?

Accepted Answer

A)  Rubber
B)  Wood
C)  Metal
D)  Plastic

Question 20

What happens when an element moves from one physical state to another?

Accepted Answer

A)  Its chemical state changes.
B)  Its chemical state remains the same.
C)  Its molecular state changes.
D)  It gets a new symbol on the periodic table.

Exam 4: Hiset: Science and Biology