1) What is the smallest part of a tree that can do all the things needed for life? a) the root b) the leaf c) the cell d) the nucleus 2) What takes place during mitosis? a) Cell parts release energy for the cell to do its job. b) One cell divides into two identical cells. c) The cell uses energy from sunlight to make sugar. d) Waste material are removed from the cell. 3) Which of these would you find in a plant cell but NOT in an animal cell? a) nucleus b) cytoplasm c) mitochondria d) chloroplast 4) Living things are also called a) organisms b) cells c) membranes d) tissues 5) This is the basic unit of structure of a living thing. a) organism b) membrane c) cell d) nucleus 6) Organisms may be made up of a) one cell. b) many cells. c) tissues. d) All of the above. 7) A blade of grass is long, thin, and flexible, yet it can stand up. What part of grass cells helps the plant keep its shape? a) cell wall b) chloroplast c) cell membrane d) nucleus 8) Which is NOT part of the cell theory? a) All living things are made of cells. b) All organisms have many cells. c) All the processes of life take place in cells. d) New cells come from existing cells. 9) Pete assumed all cells were the same, so he looked at only animal cells under the microscope. Then one day he used the microscope to sudy a plant cell. What new things did he see? a) cell wall b) nucleus c) vacuole d) cell membrane 10) A cell's shape helps it do its job. For example, skin cells are flat, which helps them protect the body. What are nerve cells shaped like? a) balls b) pancakes c) threads d) eggs 11) Most cells can only be seen with what instrument? a) a telescope b) a cell phone c) a computer d) a microscope 12) Janine saw a cell part that stored water and food. Which cell part was she observing? a) nucleus b) mitochondria c) vacuole d) chloroplast 13) Where in a cell are chromosomes found? a) in the DNA b) in the genes c) in the nucleus d) in the vacuole 14) Why do cells divide? a) to prevent the cell from getting too large b) to allow the organism to reproduce c) Both A and B are correct. d) Neither A nor B are correct. 15) Which of the following is an example of an instinct that helps an animal survive? a) a skunk spraying a smelly mist for protection b) a racoon learning to cross the road c) a dog fetching a ball d) a human riding a bicycle 16) Animals inherit certain characteristics, such as fur color. What is a characteristic that plants inherit? a) flower color b) number of legs c) number of arms d) growing away from light 17) Which is the term for a section of a DNA molecule that carries information for traits such as hair and eye color? a) gene b) offspring c) dominant trait d) recessive trait 18) Important discoveries in the history of science help students learn scientific concepts today. What did the work of Mendel in the 1800s help people understand? a) how pea plants grow b) how traits are learned c) how traits are inherited d) how environment affects inheritance 19) Most birds know how to build nests. Some birds can learn to build better nests. Which is true of both behaviors? a) Both behaviors are learned traits. b) Both behaviors are inherited traits. c) Building a nest is learned, but building a better nest is inherited. d) Building a nest is inherited, but building a better nest is learned. 20) Which of the following is an example of learned behavior? a) ground squirrels hibernating for the winter b) geese migrating south for the winter c) a lion cub hunting as its mother does d) an octopus spraying ink for protection
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Cells and Inheritance
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