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

Edit

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

Edit

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

Edit

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

Edit

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

Edit

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

Edit

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

Edit