SCA 2 Review Question Preview (ID: 34558)


Review For Science Short Cycle Assessment--mainly Cells, Classification And Reproduction. TEACHERS: click here for quick copy question ID numbers.

Which process produces the MOST variation within a species?
a) Asexual reproduction
b) Sexual reproduction
c) mitosis
d) cloning

In _____________________, a body part re-grows and may form a new organism.
a) fission
b) budding
c) regeneration
d) sexual reproduction

What would happen to a species if the organisms could NOT reproduce?
a) The species would go extinct.
b) The species would move to a new location.
c) The species would mate with a new species.
d) The species would evolve.

When Zebras and Donkeys mate, can produce an offspring, but the offspring is sterile. Why is this offspring not considered a new species?
a) Organisms do not reproduce.
b) Reproduction is not importation to identifying species.
c) Offspring do not have to reproduce to be considered a new species.
d) Offspring must be able to reproduce to be considered a new species.

_______________ Is the largest group of organisms in which two individuals are capable of reproducing fertile offspring.
a) kingdoms
b) clones
c) species
d) families

After the joining of egg and sperm, a _____________ begins to form.
a) egg
b) tissue
c) ball
d) zygote

What happens first during sexual reproduction?
a) differentiation
b) fertilization
c) gamete production
d) mitosis

In a particular variety of corn, the kernels turn red when exposed to sunlight. In the absence of sunlight, the kernels remain yellow. Based on this information, the color of these corn kernels is due to
a) a different species of corn that is produced in sunlightl
b) a different type of DNA that is produced when sunlight is present.
c) the effect of sunlight on the number of chromosomes inherited.
d) the effect of environment on gene expression.

Hereditary information is found in genes located on a cell's
a) chloroplasts.
b) chromosomes.
c) cytoplasm.
d) membranes.

Each human skin cell has ______ PAIRs of chromosomes.
a) 13
b) 18
c) 23
d) 46

Genes determine the characteristics or ____________ each offspring will have.
a) cells
b) nuclei
c) traits
d) chromosomes

A Punnett square shows you all the ways in which ______ can combine.
a) alleles
b) eggs
c) sperm
d) colors

Which of the following is NOT among the basic characteristics shared by living things?
a) Breathing
b) Responding to the surroundings
c) Using energy
d) growing

Which of the following is an example of a unicellular organism?
a) Lichen
b) Moss
c) Hydra
d) Paramecium

Some animals use large amounts of energy while performing normal activities. What organelles do these animals most likely have large numbers of in their muscle cells?
a) nuclei
b) chloroplasts
c) golgi bodies
d) mitochondria

Which of these statements best describes the function of the cell membrane
a) It allows substances to freely enter and exit the cell.
b) It controls which substances enter and exit the cell.
c) It prevents substances from entering the cell.
d) It prevents substances from leaving the cell.

Mitosis is the process by which
a) DNA is replicated.
b) cytokinesis occurs.
c) cells grow in size.
d) a cell's nucleus divides.

Animal cells have to be flexible to allow animals to move around and bend. Plants are very rigid and do not move around and can only bend to a certain point before breaking. Animals are able to move and bend because the do not have
a) golgi bodies.
b) endoplasmic reticulum
c) cell walls
d) chloroplasts.

When an upright plant is placed on its side, the
a) plant dies.
b) stem continues to develop horizontally
c) stem bends and grows upward.
d) stem bends and grows downwards.

Which disease most likely occurs after excessive exposure to ultraviolet radiation?
a) maleria
b) asthma
c) skin cancer
d) polio

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