grade 10 objective 2. 1the illustration above shows a cell model with starch solutions both inside...
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Grade 10
Objective 2
1 The illustration above shows a cell model with starch solutions both inside and outside the cell. In which of the following situations will the solution rise highest in
the tube?
A B C D
2 Which would most likely cause the liquid in Tube A to rise?
F Starch concentrations being equal on each side of the membraneG Water passing from a region of lower starch concentration to one of higher starch concentrationH Water and starch volumes being the sameJ Solute in the tubes changing from a higher temperature to a lower temperature
3 Energy conversion within an animal cell would be severely limited by removal of the cell’s —
A mitochondriaB chloroplastsC plastidsD lysosomes
4 Food provides the human body with all of the following except —
F caloriesG amino acidH hydrochloric acidJ lipids
5 The diagram shows different parts of a human sperm cell. Which part of the cell is most likely specialized for mobility?
A QB RC SD T
6 Which of these is a function of the cell membrane in all cells?
A Producing cellular nutrientsB Preserving cellular wastesC Neutralizing chemicalsD Maintaining homeostasis
7 The structures marked 3 in the diagram are responsible for —
A absorbing oxygenB carrying genetic codesC lining up amino acidsD serving as an anticodon
8 DNA molecules separate into single strands, which are then used to construct two identical strands of DNA. This process ensures that the —
A cytoplasm is in equilibriumB mitochondria are genetically identical to the chloroplastsC parent cells use little ATPD daughter cells are genetically identical to the parent cells
3′ AATCGC 5′
9 Which of the following nucleotide base sequences complements the section of DNA modeled above?
F 5′ UTCGCA 3′
G 5′ TTAGCG 3′
H 5′ GCGATT 3′
J 5′ TTUCGC 3′
10 The information in the box identifies some of the organs of the kitten. Which of the following is identical for every cell in each of the four organs?
A Amount of ATPB Function of cellC Size of cellsD Genes in DNA
11 Which molecule resembles the shape of a twisted ladder?
A DNAB SugarC ATPD Lipid
12 The diagram represents the chromosomes of a person with a genetic disorder caused by nondisjunction, in which the
chromosomes fail to separate properly. Which chromosome set displays nondisjunction?
F 2G 8H 21J 23
13 The chain above represents three codons. Which of the following changes would be expected in the amino acid chain if the mutation shown above occurred?
F The amino acid sequence would be shorter than expected.G The identity of one amino acid would change.H The amino acid sequence would remain unchanged.J The identities of more than one amino acid would change.
14 Ultraviolet radiation can cause mutations in the DNA of skin cells that have been overexposed to the sun. This mutated DNAhas no effect on future offspring because —
F changes in skin cell DNA are homozygous recessiveG mutations must occur within the RNA codonsH offspring reject parental skin cellsJ only changes to gamete DNA can be inherited
15 The diagram shows three generations of cells produced by a single cell through mitosis. In the process, a single mutation occurred at the point indicated. The mutation caused changes within a dominant allele. How many of the 15 cells contain the mutation? Record and bubble in your answer on the answer document.
16 This illustration is an example of a normal DNA sequence. Which of the following represents a single base change in the sequence?
17 In order for a species to survive, it must be able to —
F consume a wide variety of foodG reproduce successfullyH maintain a constant body temperatureJ destroy competing species
18 If an organism has the genotype RrSsTtUu, what proportion of its gametes will be RSTU?
A
B
C
D
21
41
81
161
19 Dogs (Canis familiaris) are most closely related genetically to which of the following organisms?
A African hunting dog (Lycaon pictus)B Gray wolf (Canis lupus)C Grizzly bear (Ursus arctos)D Domestic cat (Felis catus)
20 What trait will most likely be observed in all offspring of the above set of parents?
A Green feathersB Yellow feathersC Long beakD Short beak
Bird TraitsBird Traits
GeneGene TraitTrait
GG Green feathers (dominant)Green feathers (dominant)
gg Yellow feathers (recessive)Yellow feathers (recessive)
LL Long beak (dominant)Long beak (dominant)
ll Short beak (recessive)Short beak (recessive)
GGLl (male) x Ggll (female)GGLl (male) x Ggll (female)
21 According to the table, which of the following phenotypes would probably occur in all the offspring from the parents shown above?
F Solid gray furG Striped gray furH Green eyesJ Blue eyes
AlleleAllele TraitTrait TypeType
GG Solid gray furSolid gray fur DominantDominant
gg Striped gray furStriped gray fur RecessiveRecessive
BB Green eyesGreen eyes DominantDominant
bb Blue eyesBlue eyes RecessiveRecessive
GgBb (male) x ggBB (female)GgBb (male) x ggBB (female)
22 A pea plant with the genotype TtWW is crossed with a pea plant with the genotype ttWw. How many different genotypes can beexpressed in the offspring?
F 1G 2H 3J 4
23 If a plant that is homozygous tall and wrinkled is crossed with a short, wrinkled plant, which percentage of genotypes would most likely be found in the first-generation offspring?
F 50% TTss, 50% ttSSG 100% TtSsH 100% TtssJ 50% TtSS, 50% ttSS
T tall
t short
S smooth
s wrinkled
California Sea Lions
24 Male sea lions can be twice the size of female sea lions. Which best explains the difference in size between male and female sea lions?
A Orcas and sharks prey on sea lions.B Male and female sea lions hunt on land and at sea.C Sea lions hold their breath while diving.D Males compete with one another for females.
• Mammals• Hold breath while diving• Can dive as deep as 250 m• Hunt on land and at sea• Preyed on by orcas and great white sharks• Establish large communities• Males compete for females• Males can reach a mass of 300 kg• Females can reach a mass of 150 kg
Punnett Square for Corn Height
25 Square 4 of this Punnett square represents the genotype of the offspring if —
F ovule T is fertilized by pollen grain TG ovule t is fertilized by pollen grain TH ovule T is fertilized by pollen grain tJ ovule t is fertilized by pollen grain t
26 Which two kingdoms have members that are photosynthetic?
A Eubacteria and FungiB Protista and AnimaliaC Plantae and ProtistaD Animalia and Fungi
27 In this food web, how many organisms are in kingdom Animalia?
A 8 B 7 C 6 D 5
28 A laboratory investigation included examining prepared slides of pond water. Single-celled organisms with a nucleus and either cilia or flagella were visible. These organisms probably belong to the kingdom —
F AnimaliaG FungiH PlantaeJ Protista
29 Multicellular eukaryotes that are usually mobile and obtain food from other organisms probably belong to the kingdom —
A PlantaeB FungiC AnimaliaD Protista
30 Some zooplankton belong to the kingdom Protista. Members of this kingdom are characterized as —
A having segmented bodies with jointed appendagesB containing one or more eukaryotic cellsC laying eggs with a leathery protective shellD having a four-chambered heart
31 The cell above most likely belongs to an organism of the kingdom —
F AnimaliaG PlantaeH FungiJ Eubacteria
32 Which is a characteristic of members of the plant kingdom that distinguishes them from members of the animal kingdom?
A Storage of energy in chemical bondsB Exchange of H2O with the environmentC Use of mRNA during protein productionD Use of chlorophyll for solar-energy transformation
Characteristics of a NewlyDiscovered Organism
33 Knowledge of which of these is most important in classifying this new organism into a kingdom?
F The color of light absorbed by the organismG The type of radiation emittedH The use of photosynthesisJ The color of the organism
• Absorbs blue light• Emits infrared radiation• Contains RNA in nucleus• Appears as a red organism in full daylight• Can obtain nutrition through photosynthesis
34 Which of these statements describes the vertebrate circulatory system and its primary function?
A A web of structures that provide support while protecting vital organs
B A series of ductless glands that secrete hormones directly into the bloodC A network of tissues that carry nutrients and oxygen through the bodyD A complex of cytoplasmic cell membranes that transport materials made by the cell
35 Which structure in the upper arm is responsible for raising the lower arm?
A 1B 2C 3D 4
36 The medulla, part of the brain stem, reacts quickly to increased levels of CO2 in the blood and stimulates a response from the —
A excretory systemB immune systemC respiratory systemD integumentary system
37 Which system is responsible for producing enzymes that aid in breaking down substances to be absorbed for the body’s growth and repair?
F Digestive systemG Reproductive systemH Respiratory systemJ Skeletal system
38 Which of the following is directly caused by muscle action?
F Regeneration of nervesG Healing of woundsH Release of hormonesJ Extension of limbs
39 Which system of the body would be directly affected if a large number of T cells were attacked by a virus?
A Cardiovascular systemB Immune systemC Endocrine systemD Respiratory system
40 In the diagram above, one cell creates and releases chemicals that travel to a second cell and quickly induce that cell into action. This diagram represents part of the —
A endocrine systemB skeletal systemC muscular systemD nervous system
41 Hemoglobin carries oxygen to body cells. Which body system contains hemoglobin?
A Circulatory systemB Respiratory systemC Endocrine systemD Nervous system
42 Pelicans prevent serious wing damage by entering the water in the manner shown above. Which two organ systems in the pelican work together the most to accomplish this maneuver?
A Circulatory and nervous systemsB Nervous and muscular systemsC Muscular and digestive systemsD Digestive and circulatory systems
Grade 10
Objective 2
Answer Key
Grade 10 Objective 2 Answer Key
QuestionCorrect Answer
Objective Measured
Student Expectation Source - item number
1 D 2 BIO 4B 2004 Info Booklet – 9
2 G 2 BIO 4B 2003 TAKS – 14
3 A 2 BIO 4B 2003 TAKS – 27
4 H 2 BIO 4B 2004 TAKS – 8
5 D 2 BIO 4B 2006 TAKS – 5
6 D 2 BIO 4B 2006 TAKS – 13
7 B 2 BIO 6A 2004 Info Booklet – 10
8 D 2 BIO 6A 2004 TAKS – 21
9 G 2 BIO 6A 2004 TAKS – 36
10 D 2 BIO 6A 2006 TAKS – 41
11 A 2 BIO 6A 2002 Biology EOC – 39
12 H 2 BIO 6C 2003 TAKS – 22
13 G 2 BIO 6C 2003 TAKS – 26
14 J 2 BIO 6C 2004 TAKS - 26
15 7 2 BIO 6C 2004 TAKS - 20
16 D 2 BIO 6C 2006 TAKS – 39
17 G 2 BIO 6C 2002 Biology EOC – 22
18 D 2 BIO 6D 2004 Info Booklet – 6
19 B 2 BIO 6D 2003 TAKS – 1
20 A 2 BIO 6D 2003 TAKS – 53
21 H 2 BIO 6D 2004 TAKS - 40
Grade 10 Objective 2 Answer Key
QuestionCorrect Answer
Objective Measured
Student Expectation Source - item number
22 J 2 BIO 6D 2004 TAKS – 46
23 H 2 BIO 6D 2006 TAKS – 34
24 D 2 BIO 6D 2006 TAKS – 55
25 J 2 BIO 6D 2002 Biology EOC – 34
26 C 2 BIO 8C 2004 Info Booklet – 7
27 A 2 BIO 8C 2004 Info Booklet – 26
28 J 2 BIO 8C 2003 TAKS – 4
29 C 2 BIO 8C 2003 TAKS – 37
30 B 2 BIO 8C 2004 TAKS – 17
31 G 2 BIO 8C 2004 TAKS – 38
32 D 2 BIO 8C 2006 TAKS – 31
33 H 2 BIO 8C 2006 TAKS – 52
34 C 2 BIO 10A 2004 Info Booklet – 8
35 C 2 BIO 10A 2003 TAKS – 17
36 C 2 BIO 10A 2003 TAKS – 25
37 F 2 BIO 10A 2003 TAKS – 48
38 J 2 BIO 10A 2004 TAKS – 6
39 B 2 BIO 10A 2004 TAKS – 41
40 D 2 BIO 10A 2004 TAKS – 51
41 A 2 BIO 10A 2006 TAKS - 15
42 B 2 BIO 10A 2006 TAKS - 47