Focus On Life Science: California Grade 7

Chapter 1: Cell Structure and Function

Standard Assessment

Your Results:

The correct answer for each question is indicated by a .

1.			__________ is probably the most important inorganic compound for organisms. 1.a Need a Hint?
			A)	Water
			B)	Sodium bicarbonate
			C)	A carbohydrate
			D)	A lipid
2.			What is the smallest unit of life in all living things called? 1.a Need a Hint?
			A)	bacteria
			B)	a cell
			C)	a molecule
			D)	an atom
3.			Palm trees and pandas have __________. 1.b Need a Hint?
			A)	a single cell
			B)	cells of only one size
			C)	eukaryotic cells
			D)	prokaryotic cells
4.			To view extremely small organisms, which might you use? 7.a Need a Hint?
			A)	a magnifying glass
			B)	a concave lens
			C)	an eyepiece lens
			D)	an electron microscope
5.			Which organelle moves materials around in a cell? 1.a Need a Hint?
			A)	Golgi bodies
			B)	endoplasmic reticulum
			C)	cell walls
			D)	cell membranes
6.			Aerobic respiration takes place in which organelle? 1.d Need a Hint?
			A)	endoplasmic reticulum
			B)	nucleus
			C)	mitochondrion
			D)	cell wall
7.			One of the cell wall's functions is to __________. 1.b Need a Hint?
			A)	help create new cells
			B)	keep light out of the cell
			C)	keep wastes in the cell
			D)	protect the cell
8.			Which of these involves the cell membrane? 1.b Need a Hint?
			A)	respiration
			B)	creation of offspring
			C)	location of the nucleus
			D)	waste products leaving cells
9.			Energy is released into the cells by __________. 1.a Need a Hint?
			A)	Golgi bodies
			B)	vesicles
			C)	lysosomes
			D)	mitochondria
10.			Which of these statements is supported by the cell theory? 1.a Need a Hint?
			A)	No organisms are composed of just one cell.
			B)	Only certain cells in your body divide to make new cells.
			C)	Each cell in your body comes from a cell that has divided.
			D)	All organisms have multiple cells.
11.			__________ is the change in apparent size produced by a microscope. 7.a Need a Hint?
			A)	Magnification
			B)	Eyepiece
			C)	Objective
			D)	Membrane
12.			Plants make food through __________. 1.d Need a Hint?
			A)	nitrogen
			B)	photosynthesis
			C)	osmosis
			D)	osmosis
13.			Respiration is important to most organisms because __________. 1.d Need a Hint?
			A)	oxygen is removed from the atmosphere
			B)	carbon dioxide is removed from the atmosphere
			C)	food energy is converted into a form for cell use
			D)	it is an external stimulant
14.			__________ is the process that breaks down food molecules and releases energy. 1.d Need a Hint?
			A)	Respiration
			B)	Photoperiodism
			C)	Photosynthesis
			D)	Meiosis
15.			Photosynthesis is a plant process used to __________. 1.d Need a Hint?
			A)	store energy
			B)	release energy
			C)	produce offspring
			D)	copy chromosomes
16.			Genetic material is found in which organic compound? 1.a Need a Hint?
			A)	carbohydrates
			B)	sodium bicarbonate
			C)	proteins
			D)	nucleic acid
17.			Plants need chlorophyll to carry out __________. 1.d Need a Hint?
			A)	reproduction
			B)	photosynthesis
			C)	respiration
			D)	transpiration
18.			What type of instrument is used to look at cells? 1.a Need a Hint?
			A)	telescope
			B)	glasses
			C)	microscope
			D)	binoculars
19.			The nucleus is usually the largest __________ in a cell. 1.a Need a Hint?
			A)	chromosome
			B)	organelle
			C)	tissue
			D)	organ
20.			The organelle that makes proteins is __________. 1.a Need a Hint?
			A)	prokaryotic cells
			B)	mitochondria
			C)	tissues
			D)	ribosomes

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