Unity and Diversity

1) The kingdom considered most primitive is

1. Animals
2. Fungi
3. Monera
4. Plants

2) Two cytoplasmic organelles that are capable of reproducing semiautonomously are

1. Viruses and mitochondria
2. Ribosomes and mitochondria
3. Chloroplasts and mitochondria
4. Viruses and chloroplasts

3) Which of the following cytoplasmic organelles is common in animals but rare in plants?

1. Centriole
2. Chloroplasts
3. Endoplasmic reticulum
4. Golgi apparatus

4) Which factor is least likely to influence the rate of enzyme activity in cells?

1. the pH at the reaction site
2. the number of Golgi complexes near the reaction site
3. the concentration of the substrate at the reaction site
4. the concentration of the enzyme at the reaction site

5) A white blood cell ingests, then digests, a number of bacteria. Which cell organelles were directly responsible for the digestion of the bacteria?

1. centrioles
2. lysosomes
3. ribosomes
4. mitochondria

6) Denaturation of human enzymes usually occurs above what temperature?

1. 0° Celsius
2. 10° Celsius
3. 27° Celsius
4. 40° Celsius

7) Animals with chitimous exoskeletons and jointed appendages are classified as

1. coelenterates
2. annelids
3. arthropods
4. chordates

8) An inorganic compound essential to the survival of animals is

1. glucose
2. salt
3. maltase
4. cellulose

9) The passage of salts into and out of cells is most closely associated with the life process of

1. transport
2. respiration
3. reproduction
4. digestion

10) The development of the cell theory was most directly related to the

1. improvement of the microscope and microscopic techniques
2. use of a five-kingdom classification system
3. development of the gene-chromosome theory
4. discovery of bacteria and viruses