Ecology and Environment-Ecosystem [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Biology]: Questions 74 - 80 of 153
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Question 74
Question MCQ▾
Biogeochemical cycles are of
Choices
Choice (4) | Response | |
---|---|---|
a. | Three types | |
b. | Four types | |
c. | Two types | |
d. | Five types |
Question 75
Question MCQ▾
Mr. X is eating curd/yoghurt. For this food intake in a food chain he should be considered as occupying
Choices
Choice (4) | Response | |
---|---|---|
a. | Second trophic level | |
b. | Fourth trophic level | |
c. | First trophic level | |
d. | Third trophic level |
Question 76
Question MCQ▾
Mycorrhiza, a relationship between fungi and roots of higher plants is
Choices
Choice (4) | Response | |
---|---|---|
a. | Symbiotic relationship | |
b. | Epiphytic relationship | |
c. | Saprophytic relationship | |
d. | Parasitic relationship |
Question 77
Question MCQ▾
Under what condition, the upright pyramid of biomass becomes inverted?
Choices
Choice (4) | Response | |
---|---|---|
a. | Grassland ecosystem | |
b. | Terrestrial ecosystem | |
c. | Three ecosystem | |
d. | Pond ecosystem |
Question 78
Question MCQ▾
The conversion of nitrate to nitrous oxide and nitrogen gas is termed as
Choices
Choice (4) | Response | |
---|---|---|
a. | Denitrification | |
b. | Nitrogen-fixation | |
c. | Nitrification | |
d. | None of the above |
Question 79
Appeared in Year: 1999
Question MCQ▾
Nitrogen fixing bacteria converts [CBSE PM/PD]
Choices
Choice (4) | Response | |
---|---|---|
a. | N02 ⇾ N03 | |
b. | N2 ⇾ NH3 | |
c. | N03 -+ N2 | |
d. | NH4+ ⇾ Nitrates |
Question 80
Appeared in Year: 1999
Question MCQ▾
Which one produces gas by decomposing the gobar (Dung) in gobar gas? [CBSE PM/PD]
Choices
Choice (4) | Response | |
---|---|---|
a. | Methanogenic bacteria | |
b. | Fungus | |
c. | Virus | |
d. | Algae |