Biology Practice Test 1
The bodies of all insects have _______ major divisions. a. 2 b. 3 c. 4 d. 5
3
A cell uses which of the following to accelerate chemical reactions enabling its metabolic machinery to operate? a. Centrasome b. Lysosome c. Golgi apparatus d. Enzymes
Enzymes
Which of the following is not part of the metabolic sequence? a. Photosynthesis b. Respiration c. Hydoplasm d. Digestion
Hydoplasm
True or False The frog is a vertebrate.
True
Sterile female honey bees are called _________________. a. drones b. queen c. guards d. workers
Workers
DNA exists in the form of __________ strands of DNA coiled about each other. a. double b. triple c. quadruple d. quintuple
Double
A cell membrane is ______________? a. permeable b. semipermeable c. nonpermeable d. None of the above
Semipermeable
Cells contain which of the following to carry out specific functions like providing engergy and producing hormones? a. Mitiosis b. Apoptosis c. Archaeans d. Organelles
Organelles
All of the following are similarities between unicellular organisms and multicellular organisms, except _____________. a. internal complexity b. division of labor c. size d. ecological relationships
Size
Algae and fungi, without specialized organs such as leaves, stems and roots, are considered types of ________________. a. Thalllophyta b. Embryophyta c. Bryophyta d. Tracheophyta
Thalllophyta
True or False Hybridization of animals from different species cannot occur.
False
Which of the following represents the largest group of biological classification? a. Kingdom b. Species c. Class d. Genus
Kingdom
The major parts of a cell are the ______________? a. surrounding membrane b. surrounding membrane and cytoplasm c. surrounding membrane, cytoplasm and nucleus d. surrounding membrane, cytoplasm, nucleus and mitochondria
surrounding membrane, cytoplasm and nucleus
Changes in the genetic constitution of an organism may be due to which of the following? a. New combinations of chromosomes b. Chromosome mutation c. Gene mututation d. All of the above.
All of the above
One celled animals are of the phyla ______________. a. Metazoa b. Porifera c. Protozoa d. Mollusca
Protzoa
True or False The net effect of photosynthesis, chemically, is reduction, leading to the formation of simple carbohydrates and accompanied by a release of oxygen.
True
True or False There are two types of cells, eukaryotic and prokaryotic.
True
How many chromosomes does an individual human person have? a. 23 b. 46 c. 64 d. 82
46
Many animals protect themselves with an exoskeleton. Which of the following is not such an animal? a. mollusk b. bird c. turtle d. snake
Bird
Locomotion in Metazoa is usually due to the contraction of what? a. Skeleton b. Muscle c. Skin d. Nerves
Muscles
When sexual reproduction occurs in multicellular organisms, a process takes place before cells fuse whereby a cell is left with half of its chromosomes, enabling the creation of a cell with a charactteristic chromosome number. What is this process called? a. osmosis b. meiosis c. analbolism d. differentiation
Meiosis
DNA functions in the transfer of information from nucleus to cytoplasm by way of _______________. a. hydrochloric acid b. dexyribonucleic acid c. ribonucleic acid d. amino acid
Ribonucleic acid
Which of the following directly (as opposed to indirectly) supports Charles Darwin's theory of evolution? a. Evidence from Paleontology b. Evidence from Geographical Distribution c. Evidence from Physiology d. Evidence from Genetics
Evidence from Genetics
The phrase "survival of the fittest" is an alternate phrase expressing which of the following principles? a. Natural Selection b. Inheritance of Acquired Characteristics c. Mutation d. Mendelian Inheritance
Natural Selection
True or False In homo sapiens, the constitution of cells of the chromosome differs between the sexes, with females having two X chromosomes and males having one X chromosome and one Y chromosome.
True
In normal sexual reproduction, two mature germ cells fuse to form a _____________. a. gonad b. ovary c. embryogeny d. zygote
Zygote
True or False A multicellular organism is a colony of indepdendant cells.
False
The functional unit of heredity is the _____________. a. gene b. chromosome c. protein d. nucleus
Gene