IA.P. Biology Cell Unit Test

Campbell Chapters 6, 35, 40

1. The organelle that is the major producer of ATP and is found in both heterotrophs andautotrophs is the

A. chloroplast

B. nucleus

C. ribosome

D. Golgi apparatus

E. mitochondrion

2. The nucleolus functions in the production of ...

A. Golgi apparatus

B. microtubules

C. mitochondria

D. ribosomes

E. endoplasmic reticulum

A. DNA

B. ribosomes

C. cell membrane

D. nuclear envelope

E. enzymes

4. Which of the following is the primary role of the lysosome

A. ATP synthesis

B. intracellular digestion

C. lipid transport

D. carbohydrate storage

E. protein synthesis

5. Which of the following organelles modifies and packages for secretion the materialsproduced by the ribosomes?

A. The chloroplast

B. The Golgi apparatus

c. The nucleus

D. The nucleolus

E. The mitochondrion

A ribosome

B. nucleus

c. Golgi apparatus

D. mitochondrion

E. lysosome

7. Which of the following is best observed by using a compound light microscope?

A A eukaryotic cell

B. A virus

C. A DNA sequence

D. The inner structure of a mitochondrion

E. A nuclear pore

8. Which of the following cells would most likely have the greatest concentration ofdensely packed rough endoplasmic reticulum?

A An amoeba engulfing small ciliates

B. A bioluminescent bacterial cell

C. A pancreatic cell engaged in the production of digestive enzymes

D. A functional phloem cell at maturity

E. An epithelial cell whose DNA is replicating before mitosis

9. Structures found in the cells of both angiosperms and mammals are

A. cell walls and cell membranes

B. centrioles and Iysosomes

C. chloroplasts and ribosomes

D. cell membranes and chromosomes

E. contractile vacuoles and leucoplasts

__ 10. A student using a light microscope observes a cell and correctly decides that it is aplant cell because

/\. r'ibosomes are visible

B. an endoplasmic reticulum can be seen

C. a cell membrane is present

D. it has a large central vacuole

E. centrioles are present

For Questions 16 - 18 refer to the following options:I. Circulatory System·II. Respiratory SystemIII. Lymphatic SystemIV. DigestiveV. ExcretoryVI. Nervous System

__ 16. The system involved in protecting the body from bacterial invasions.

I. Iii. IIi i i . 1/ Iiv. IVv. V

__ 17. The system(s) involved in moving matter in and out of the body

vi. I and IIvii. II and IIIviii. III and IVix. I, III and Vx. 1/, IV and V

__ 18. The system(s) involved in connecting parts of the body.

xi. I and 1/XII. 1/and IIIxiii. I, III and VIxiv. III, IV and Vxv. 1,llandV

19 Which part of a plant absorbs most of the water and minerals taken up from the soil?a. Taprootsb. root hairsc. the thick parts of the roots near the base of the stemd. storage rootse. sections of the root that have secondary xylem

20. Which functional plant cells lack a nucleus?a. xylem onlyb. sieve cells onlyc. companion cells onlyd. both companion and parenchyma cellse. both xylem and sieve-tube cells

21. Which of the following tissues is incorrectly matched with its characteristics?a. collenchyma-uniformly thick-walled supportive tissueb. epidermis-protective outer covering of plant bodyc. sclerenchyma-heaviLy lignified secondary wallsd. meristematic tissue-undifferentiated tissue capable of cell divisione. parenchyma-thin-walled, loosely packed, unsl?8cialized cells

22. One important difference between the anatomy of roots and the anatomy of leaves is that"a". only leaves have phloem and only roots have xylem.

b,. the cells of roots have cell walls and leaf cells do not.G_ a waxy cuticle covers leaves but is absent in roots.d. vascular tissue is found in roots but is absent from leaves.e" leaves have epidermal tissue but roots do not.

23. The photosynthetic cells in the interior of a leaf are what kind of cells?a parenchymab. collenchymac. sclerenchymad. phloeme. endodermis

24. Pores on the leaf surface that function in gas exchange are calleda. hairs.b. xylem cells.c. phloem cells.d. stomata.e. sclereids.

25. If you were able to walk into an opening cut into the center of a large redwood tree, when youexit from the middle of the trunk (stem) outward, you would cross, in order,~a. the annual rings, phloem, and bark.'\~. the newest xylem, oldest phloem, and periderm.C:, the vascular cambium, oldest xylem, and newest xylem.tJ-,.' the secondary xylem, secondary phloem, and vascular cambium.

"e" the summer wood, bark, and phloem.

26. Suppose George Washington completely removed the bark from around the base of a cherrytree but was stopped by his father before cutting the tree down. The leaves retained theirnormal appearance for several weeks, but the tree eventually died. The tissue(s) that Georgeleft functional was (were) thea. phloem.b. xylem.c. cork cambium.d. cortex.e. companion and sieve-tube members.

27. Cells are to tissues as tissues are toa. organs.b. membranes.c. organ systems.d. organelles.

28. Which of the following tissues lines the kidney tubules?a. connectiveb. smooth musclec. nervousd. epitheliale. adipose

29. What is the functional unit of nervous tissue?a. cell bodyb. neuronc. axond. dendritee. brain

30. Which of the following describes skeletal muscle?a. smooth and involuntaryb. smooth and unbranchedc. striated and voluntaryd. smooth and voluntarye. striated and branched

A major distinction between prokaryotes and eukaryotes is the presence of membrane boundorganelles in eukaryotes.

a. Describe the structure and function of TWO eukaryotic membrane bound organellesother than the nucleus.

b. Prokaryotic and eukaryotic cells have some non-membrane bound components incommon. Describe the function of TWO of the following and discuss how eachcli Crcrs in prokaryotes and eukmyotes.

,1. DN/\

c. Explain the endosymbiotic theory of the origin ofeukaryotic cells and discuss al1example of evidence supporting the theory.