Biodiversity MCQ Quiz - Multiple Choice Questions & Answers Page 2

11. The inherited material that is responsible for variation in all organisms is DNA, which stands for

1. delicate nucleus assist
2. denitro acetaminaphen
3. donornucleic acid
4. desoxyribonucleic acid

12. When a female cell (egg) is penetrated by a male cell (sperm) this occurs

1. cleavage
2. pollination
3. fertilization
4. specialization

13. Cross-fertilization occurs when a pollen grain

1. from one plant fertilizes the plant it belongs to
2. is not able to pollinate another plant
3. from one plant fertilizes a different plant
4. is carried by the wind, water or animal to another plant

14. To better understand variation; scientists explore the characteristics, which are passed on from generation to generation within a species. Those characteristics that are passed on from generation to generation are

1. inherited
2. non-inherited
3. genetic
4. non-genetic

15. This type of characteristic, eye color, is considered to be

1. inherited
2. non-inherited
3. genetic
4. non-genetic

16. Although the same species may have the same basic structure, variations exist within the same species. Variations among members of a population are referred to as

1. biotic diversity
2. species diversity
3. genetic diversity
4. living diversity

17. Biotic and abiotic things interact within the same environment. An example of an abiotic part of an environment is

1. flowers
2. water
3. grass
4. insects

18. Closely related species have the same genus name, but different species names. This makes for identification based on

1. structure
2. coloring
3. habitat
4. names

19. A single gene is an uninterrupted segment of DNA, which contains coded instructions for the cell. Genes are located in the

1. cytoplasm
2. globules
3. helical strands
4. chromosomes

20. The chromosome numbers vary from organism to organism. Dogs have 78 chromosomes and cats have 38. The different pairings of chromosomes outlines the blueprints, which are the source of

1. diversity
2. pigmentation
3. heredity
4. sexuality