SC9 Unit 1 - Biology blk3

Multiple Choice

A hypothesis that is supported many times may become a(n)

• theory.

• hypothesis.

• conclusion.

• independent variable.

Multiple Choice

What is a suggested explanation based on evidence that can be tested by observation or experimentation?

• conclusion.

• theory.

• hypothesis.

• independent variable.

Multiple Choice

What is the part of an experiment that can be changed?

• independent variable.

• conclusion.

• theory

• hypothesis.

Multiple Choice

Which of the following is NOT a characteristic of living things?

• They change as a group over time.

• They are very mobile.

• They are composed of cells.

• They grow and develop over time.

Multiple Choice

In controlled experiments:

• All critical variables are manipulated

• One variable is manipulated while others are held constant

• All variables are independent of each other

• All variables are held constant

Multiple Choice

All living things try to maintain a stable internal environment.  This is known as ______________.

• Photosynthesis

• Homeostasis

• Adaptation

• Evolution

Multiple Choice

The basic unit of structure and function of living things is the ___________.

• cell

• DNA

• homeostasis

• protein

Multiple Choice

Which organelle receives proteins from the ER, organises and distributes them?

• Vacuoles

• Golgi Apparatus

• Nucleus

• Chromatin

Multiple Choice

The control center of cell is

• the nucleus

• ribosomes

• chromatin

Multiple Choice

Which organelle produces the energy a cell needs to carry out its function

• Mitochondria

• Golgi Bodies

• Cytoplasm

• Nucleus

Multiple Choice

Which organelle is found inside the nucleus and produces ribosomes

• Nucleolus

• Cell Membrane

• Lysosome

• Golgi Bodies

Multiple Choice

What is the function of the Vacuoles

• Store food, water and waste

• Receive proteins

• Assembles amino acids

• Found inside the nucleus

Multiple Choice

What is the rigid, outermost layer of all plant cells?

• nucleus
• cell membrane
• cell wall
• cytoplasm

Multiple Choice

This organelle is the transporter of proteins or the highway system of the cell

• cell wall

• mitochondria

• endoplasmic reticulum

• lysosomes

Multiple Choice

A flatworm is cut in half and grows into two flatworms, is an example of which type of asexual reproduction...

• Vegetative

• Binary fissioin

• Fragmentation

• Parthenogenesis

• Sporogenesis

Multiple Choice

An amoeba replicates its genetic material and divides into 2 identical daughter cells is an example of which type of asexual reproduction...

• Vegetative

• Binary fission

• Fragmentation

• Parthenogenesis

• Sporogenesis

Multiple Choice

The common asexual method of reproduction by hydras is called?

• Vegetative

• Binary fission

• Budding

• Fragmentation

• Parthenogenesis

Multiple Choice

Which of the following is an advantage of asexual reproduction?

• There is greater genetic diversity in offspring.

• There is a longer development time for offspring.

• There is more food available for offspring.

• There is a greater number of offspring.

Multiple Choice

95% of the cells life cycle

Stage where DNA is copied

• Interphase

• Metaphase

• Telophase

• Prophase

Multiple Choice

Chromosomes line up at the equator of the cell

Spindle fibers extend from the centrioles to the middle of the chromosomes

• Prophase

• Metaphase

• Anaphase

• Interphase

Multiple Choice

Nuclear membrane disappears

Chromosomes can now be seen

Centrioles move to opposite sides

• Metaphase

• Interphase

• Telophase

• Prophase

Multiple Choice

Nuclear membrane reforms around the new daughter cells.

Cytoplasm begins to "pinch" in.

• Anaphase

• Metaphase

• Telophase

• Interphase

Multiple Choice

Extend from centriole and pull sister chromatids apart

• Spindle Fibers

• Replication

• Centriole

• Interphase

Multiple Choice

The goal of mitosis is to

• make a new parent cell

• make two new daughter cells with the same DNA

• make two new daughter cells with different DNA

• to grow a larger toe

Multiple Choice

The stages of mitosis in order

• Metaphase, Anaphase, Prophase, Telophase
• Prophase, Anaphase, Metaphase, Telophase
• Prophase, Metaphase, Anaphase, Telophase
• Anaphase, Prophase, Telophase, Metaphase