Biology Answers

Which of the following is NOT associated with marine environments?
1. Plasmolysis
2. Estuaries
3. Halotolerance
4. Blooms

Which of the following are NOT associated with aquatic environments?
1. Dissolved oxygen
2. Conjugants
3. Redfield ratio
4. Primary pro

. In the Winogradsky column the top part consists of ____.
1. O2 dominated mud
2. Rust- coloured zone
3. Anoxic H2S dominated zone
4. Red zone.

. All of the following are associated with microbial soil ecology except ____.
1. organic matter.
2. carbon to nitrogen ratio.
3. humus.
4. marine snow.

All of the following are most closely associated with the photic zone except ____.
1. element cycling
2. virioplankton
3. estuaries
4. pelagic

All of the following are examples of methods involved in microbial ecology except____.
1. viable counts
2. turnover
3. fimbria
4. ribosomal RNA

. Which of the following are NOT associated with aquatic environments?
1. Dissolved oxygen
2. Redfield ratio
3. Outer membrane
4. Oligotrophism

The flow of energy and matter in living organisms through a producer-consumer sequence is
known as ___.
1. the ecosystem
2. the food chain
3. commensalism
4. the food web

In the Winogradsky column the bottom part consists of ____..
1. O2 dominated mud
2. Rust- coloured zone
3. Anoxic H2S dominated zone
4. Red zone.

The formation of a cyst (dormant, low metabolic activity) is called ____.
1. syngamy
2. excystment
3. conjugation
4. encystment