Multiple Choice
Which of the following organisms can fix nitrogen?
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35. Soil
Nitrogen Fixation
Back35. Soil
Nitrogen Fixation
- Multiple ChoiceIn root nodules, the plants provide __________, and the bacteria provide __________.1014views
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- Multiple ChoiceWhich of these describes the initial interaction between Rhizobium and a soybean root?1026views
- Multiple ChoiceThe enzyme complex that catalyzes the conversion of atmospheric nitrogen to ammonia is __________.947views
- Multiple ChoiceNitrogen fixation is __________.1743views
- Multiple ChoiceThe most abundant gas in our atmosphere cannot be used by plants directly in its atmospheric form. Fortunately, this gas is made available to some plants by certain bacteria that live symbiotically in their roots. What is this gas?1205views
- Multiple ChoiceMycorrhizae develop __________.1197views
- Multiple ChoiceWhich of the following is true of mycorrhizae?1705views
- Multiple ChoiceBy trapping insects, carnivorous plants obtain __________, which they need __________.1476views1rank
- Textbook Question
Mycorrhizae enhance plant nutrition mainly by:
a. Absorbing water and minerals through the fungal hyphae
b. Providing sugar to root cells, which have no chloroplasts
c. Converting atmospheric nitrogen to ammonia
d. Enabling the roots to parasitize neighboring plants
1467views - Textbook Question
Which of the following activities of soil bacteria does not contribute to creating usable nitrogen supplies for plant use?
a. The fixation of atmospheric nitrogen
b. The conversion of ammonium ions to nitrate ions
c. The decomposition of dead animals
d. The assembly of amino acids into proteins
910views - Textbook Question
Epiphytes are:
a. Fungi that attack plants
b. Fungi that form mutualistic associations with roots
c. Nonphotosynthetic parasitic plants.
d. Plants that grow on other plants.
970views - Textbook Question
By trapping insects, carnivorous plants obtain ___________, which they need ___________ . (Choose the best answer.)
a. Water ... because they live in dry soil
b. Nitrogen ... to make sugar
c. Phosphorus ... to make protein
d. Nitrogen ... to make protein
916views - Textbook Question
The greatest difference in health between two groups of plants of the same species, one group with mycorrhizae and one group without mycorrhizae, would be in an environment
a. Where nitrogen-fixing bacteria are abundant
b. That has soil with poor drainage
c. That has hot summers and cold winters
d. In which the soil is relatively deficient in mineral nutrients
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