O) NAME Cos College Spring 201 re megting to charcterice it You begin with its g
ID: 214298 • Letter: O
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O) NAME Cos College Spring 201 re megting to charcterice it You begin with its gemome. You irst isolate the feuited with the vius. When you compare this mRNA to the viral gmome, you find . Yow have iselaled a newly discovered vis and What does this tell you? E. This virus has d. The vius does use DNA or RNA 24 Upon discovery of an unknows species of fungus, you decide to series of experiments to test what pon In one study, you type of fungas you have stumbiled u plants in soid that has been inoculated with the hyphae of your mystery fungas and compare ia to mustard plants growm wihout grow mustand (Brasice nigra) the fungus. Acconding to the plant growth data presented in the graph (righe) you conclude the fungus is most likely b. A species of mycorrhizal fungi G. A saprobic fungus d. A parasitic ug e Both a and b are correct 25. Which of the following plant structures is prodaced by vascular cambium? a Leaf primordia Roots hairs Primary phloem d. Secondary xylem e. Palisade mesophyl b.Explanation / Answer
1. Male gametophyte can be found
on a mature anther
Reason: Male gametophyte is the pollen grain containing gamete. They are produced into the anther & are liberated from mature anther.
2. The diagram on right represents:
T.S of Monocot Stem
Reason: Presence of scattered vascular bundles.
3. Mycorrhiza help in absorption of
Phosphorus
they are association of fungus with higher plants.
24 We can observe from graph that more leaves are present when fungus is present. This means fungus is beneficial. So can be
Mycorrhizal fungus.
25.
Vascularwhat cambium helps in increasing diameter of plant by producing:
secondary xylem &phloem
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