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Cell and Molecular Biology Week 2

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Which statement is a part of the cell theory?

a)

All cells come from pre-existing cells

b)

Cells bacteria are prokaryotic

c)

Eukaryotic cells are complex

d)

Humans are multicellular

2.

Which one is the statement from Schleiden & Schwann (1838-39)

a)

All cells come from preexisting cells

b)

All living things are made up of cells

c)

New cells arise from the pre-existing cells

d)

Spontaneous generation does not occur

3.

The cell theory said that

a)

Atoms create all matter

b)

Living things evolve

c)

Cell activities depends on the activities of subcellular structures within the cell

d)

Cells are the basic unit of structure and organization of organisms

4.

What is the function of flagella?

a)

Play a role in exchange of genetic information

b)

Moving the cell through a liquid environment; respond to food/poison

c)

Adhere externally to the cell walls

d)

External structure that provides a rigid framework

5.

All plants are made of cells. This was discovered by....

a)

Matthias Schleiden

b)

Rudolf Virchow

c)

Robert Hooke

d)

Aristotle

6.

What is survival of the fittest?

a)

The competition between organism with same species and morphology

b)

Survival of organism in certain area

c)

Individuals with variations that are better adapted will be more likely to survive than those without

d)

Characteristics that will be passed to the offspring.

7.

What is chemical evolution?

a)

Organic life sprung from non-organic matter exclusively through a natural mechanistic process on a pre-biotic earth.

b)

Newly formed organic molecules polymerized to produce larger molecules and macromolecules

c)

Chemoheterotrophs-consume organic molecules for both energy and carbon

d)

Organic compounds in organic soup became depleted, prokaryotes that are able to make their own organic compounds from inorganic precursors

8.

What is RNA World theory?

a)

Single RNA strands can copy in solutions containing nucleotides without enzymes.

b)

RNA molecules called ribozymes have been found to catalyze many different reactions

c)

RNA come first before DNA

d)

Aggregates of artificially produced prebiotic molecules

9.

Which came first, RNA or DNA?

a)

RNA

b)

DNA

10.

What does Lamarck’s Theory state?

a)

Evolution occurred by the inheritance of acquired characteristics

b)

Environment pressure causes body changes

c)

All species of life have evolved over time from common ancestors through the process called natural selection

d)

Organisms are arranged from simple to complex

11.

Darwin’s Theory state that


“All species of life have evolved over time from common ancestors through the process called natural selection”

a)

True

b)

False

12.

What is Taxonomy?

a)

A system of existences

b)

The science of biological classification

c)

Systems help to clarify relationships among organisms

d)

The study of biological diversity and its evolution.

13.

The hierarchy order is

a)

Kingdom--species--family--order--class--genus--phylum

b)

Kingdom--phylum--class--order--family--genus--species

c)

Kingdom--phylum--class--family--order---genus--species

d)

Kingdom--family--phylum--class--order--genus--species

14.

Homology is


“Similar structure and position but different function-derived from a common ancestor”

a)

True

b)

False

15.

Analogy is


“Similar function but different origin; Not derived from a common ancestor; convergent evolution-similar selection pressure”

a)

True

b)

False