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WorksheetsUnit 2 Quiz Prep2 B
Total questions: 12
Worksheet time: 6mins
Even when it is cold outside, the human body maintains an internal temperature of 37 degrees Celsius. Which term describes the maintenance of a stable internal condition?
endocytosis
mitosis
meiosis
homeostasis
Homeostasis is necessary for a cell to survive. What is the definition of homeostasis?
the elimination of waste
the division of cells to form new cells
the maintenance of a stable internal environment
the process by which energy from the sun is used to make food
Which of the following claims is true?
all organisms have nuclei
all organisms are unicellular
all organisms are multicellular
all organisms are made of cells
Cells can die or become damaged. What reasoning explains how dead or damaged cells are replaced?
cells divide to make new cells
cells multiply by cellular respiration
cells take in new cells through endocytosis
cells grow larger to make up for the lost cells
What is mitosis?
the process by which plants make their own food
the process by which cells use oxygen to produce energy from food
the maintenance of a stable internal environment
the process in which a cell divides and forms two identical nuclei
What reasoning describes why human skin cells frequently undergo mitosis?
to get energy for the body
to replace dead or damaged skin cells
to prevent bruises on the body
to replace dead or damaged muscle cells
If an organism is produced by sexual reproduction what is true of its chromosomes?
it receives all of its chromosomes from the female parent
it receives half of its chromosomes from each parent
it receives most of its chromosomes from the female parent
it receives all of its chromosomes from either the male or female parent
The green pigment in the chloroplasts that absorbs sunlight is called?
vacuole
cell membrane
cell wall
chlorophyll
The body cells of adult fruit flies each contain 8 chromosomes (or 4 pairs of chromosomes). How many chromosomes are there in the sex cells of each fly that result from meiosis?
2
4
8
16
Body systems such as the nervous and digestive systems work together and help the body maintain homeostasis. Which of the following correctly describes one way that the nervous system and the digestive system work together?
Lungs contract during chewing so that food won't be inhaled
blood flow to the stomach and intestines decreases during eating
the involuntary muscles in the jaw stimulate spinal cord neurons to initiate chewing
neurons in the brain stimulate smooth muscles in the intestines to move food through the body
The body system that provides support and protects the internal organs is the?
skeletal system
digestive system
excretory system
nervous system
Ms. Peters favorite animal uses mitosis to regrow it's tail in a process called cellular regeneration. So, out of the following her favorite animals has to be?
a dog
a monkey
a cat
a lizard
