Bacteria and Archaea Notes Questions with Answers PDF Download – Test 171

MCQ 851: What adaptations do most thermophile archaea have to protect their DNA from extreme heat?

1. biochemical modification in DNA
2. fragmented DNA
3. sheared DNA
4. larger DNA

MCQ 852: Which of the following is the second most common cancer in the United States?

1. colorectal cancer
2. lung cancer
3. breast cancer
4. blood cancer

MCQ 853: The reductional division is another name for which of the following processes?

1. mitosis
2. meiosis
3. binary fission
4. splitting

MCQ 854: After the first cross, if the F1 generation looks exactly like one of the parents, it means that the inherited gene shows:

1. semi dominance
2. total dominance
3. multi dominance
4. complete dominance

MCQ 855: Plants that have been inbred for many generations and have the same characters as their parents are called:

1. pure breeding
2. non breeding
3. self breeding
4. true breeding