Origin Of Life Post-assessment (Grade 7)

12 Questions | By Tagscience | Last updated: Mar 21, 2022 | Total Attempts: 191

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Origin of Life Post-Assessment (Grade 7)

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1.

The Miller-Urey experiment in which water, gases, heat and electricity formed amino acids demonstrates the following (Standard 3.1j):
- A.
  
  It demonstrated that RNA was the first genetic coding system in early Earth
- B.
  
  It supported the theory of biogenesis
- C.
  
  It was proven that spontaneous generation is possible
- D.
  
  It is possible for organic molecules to form from inorganic molecules
- E.
  
  It is possible for inorganic molecules to form from organic molecules
2.

According to Dr. Niles Eldridge, what is unique about the “sixth extinction” (Standard 3.1j)?
- A.
  
  The Sixth Extinction seems to be the first recorded global extinction event that is an abiotic cause.
- B.
  
  The Sixth Extinction seems to be the first recorded global extinction event that is a biotic cause.
- C.
  
  The Sixth Extinction is caused by global climate change
- D.
  
  The Sixth Extinction seems to be the first recorded global extinction caused by meteor impact.
- E.
  
  The Sixth Extinction seems to be the first recorded global extinction event that is not causes by humans.
3.

Banded iron formations are important evidence for which idea in the early evolution of life (Standard 3.1j)?
- A.
  
  Chemotrophic autotrophs
- B.
  
  Endosymbiotic organelles
- C.
  
  Heterotrophic prokaryotes
- D.
  
  Heterotrophic eukaryotes
- E.
  
  Photosynthetic autotrophs
4.

Which of the following is the best argument that RNA may have preceded DNA (Standard 3.1j)?
- A.
  
  Enzymes are used during DNA replication.
- B.
  
  Hydrogen cyanide can react with itself to eventually form adenine.
- C.
  
  All DNA-based life forms contain RNA.
- D.
  
  DNA is made up of nucleotides.
- E.
  
  RNA is made of ribose and DNA is made of deoxyribose.
5.

Carbon-14 has a half-life of 5,730 years. What is the age of a fossil that has 1/8 of the original sample of Carbon-14 remaining (Standard 3.1a)?
- A.
  
  5,730 Years Old
- B.
  
  11,460 Years Old
- C.
  
  17,190 Years Old
- D.
  
  716.25 Years Old
- E.
  
  5.7 Million Years Old
6.

Rate, on a scale of 1 – 4, 1 being the lowest and 4 being the highest, how much do you already know about the origin of life on Earth?
7.

Rate, on a scale of 1 – 4, 1 being the lowest and 4 being the highest, how interested are you in the origin of life on Earth?
8.

Which of the following statements is true about eukaryotic cells? (Standard 3.1g, 3.1j)
- A.
  
  Eukaryotic cells have no membrane-covered organelles.
- B.
  
  Eukaryotic cells are comprised solely of circular DNA.
- C.
  
  Eukaryotic cells do not have a nucleus.
- D.
  
  Eukaryotic cells have a nucleus.
- E.
  
  Statements a, b, and c are true about eukaryotic cells.
9.

What are the three eras of the Phanerozoic Eon listed in chronological order (Standard 3.1 a, 3.1j)?
- A.
  
  Pre-Cambrian, Cambrian Explosion, K-T Boundary
- B.
  
  Eon, Era, Period
- C.
  
  Paleozoic, Cenozoic, Mesozoic
- D.
  
  Mesozoic, Paleozoic, Cenozoic
- E.
  
  Paleozoic, Mesozoic, Cenozoic
10.

The theory that states that only living organisms can produce other living organisms (Standards 3.1 a, 4.1a) is:
- A.
  
  Theory of spontaneous generation
- B.
  
  Primordial soup theory
- C.
  
  RNA World theory
- D.
  
  Theory of biogenesis
- E.
  
  Endosymbiont theory
11.

During the Paleozoic Era, the rapid diversification of most marine animal groups in the space of just a few million years (Standards 3.1a, 3.1j) is known as the:
- A.
  
  Precambrian Explosion
- B.
  
  K-T Boundary
- C.
  
  Permian Mass Extinction
- D.
  
  Miller-Urey Experiment
- E.
  
  Cambrian Explosion
12.

One example of evidence that supports the endosymbiont theory (Standards 1.3 a, 3.1a, 3.1j) is:
- A.
  
  Chloroplasts and mitochondria have a double membrane
- B.
  
  Miller and Urey demonstrated that inorganic molecules can form from organic molecules
- C.
  
  All prokaryotes have a nucleus and linear DNA
- D.
  
  Some protists have animal-like and plant-like characteristics
- E.
  
  Chemosynthetic bacteria have the ability to produce food using sulfur dioxide