| 1 |
Who proposed the term 'Niche' in ecology. |
- A. Haeckel
- B. Grinnell
- C. Elton
- D. Darwin
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| 2 |
The random loss of alleles in a population is called: |
- A. Mutation
- B. Selection
- C. Gene flow
- D. Genetic drift
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| 3 |
In grassland ecosystem annual rainfall is about 250 to |
- A. 350 mm
- B. 450 mm
- C. 650 mm
- D. 750 mm
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| 4 |
Symbiotic association of analgia living within fungus mycelium is known as. |
- A. Mycorrhiza
- B. Lichen
- C. Parasitism
- D. Root Nodules
|
| 5 |
The remoras benefit from this relationship the shark is not affected at all. |
- A. symbiosis
- B. Mycorrhiza
- C. Mutualism
- D. Commercialism
|
| 6 |
Which of the following is macronutrient. |
- A. Zinc
- B. Iron
- C. Sulphur
- D. Iodine
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| 7 |
In each case succession is initiated by a few hardy invaders called. |
- A. Starters
- B. Pioneers
- C. Decomposers
- D. Climax community
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| 8 |
The existing species are the modified descendants of pre-existing ones according to: |
- A. Theory of special creation
- B. Theory of organic evolution
- C. Uniformitarianism
- D. Theory of catatrophe
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| 9 |
Once nitrate enters the plant cell it is reduced to. |
- A. Nitrite
- B. Ammonia
- C. Carbohydrate
- D. Proteins
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| 10 |
The term niche was first proposedly joseph Grinnell an American. |
- A. Embryologist
- B. Ecologist
- C. Ornithologist
- D. Physiologist
|