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