Ecology and Environment-Ecosystem (NEET Biology): Questions 74 - 80 of 108

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 3146 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 700.00 or

Question number: 74

» Ecology and Environment » Ecosystem » Nutrient Cycling

MCQ▾

Question

Biogeochemical cycles are of

Choices

Choice (4) Response

a.

Four types

b.

Two types

c.

Five types

d.

Three types

Question number: 75

» Ecology and Environment » Ecosystem » Pyramids of Number, Biomass, Energy

MCQ▾

Question

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.

Fourth trophic level

b.

Third trophic level

c.

First trophic level

d.

Second trophic level

Question number: 76

» Ecology and Environment » Ecosystem » Patterns, Components

MCQ▾

Question

Mycorrhiza, a relationship between fungi and roots of higher plants is

Choices

Choice (4) Response

a.

Parasitic relationship

b.

Epiphytic relationship

c.

Saprophytic relationship

d.

Symbiotic relationship

Question number: 77

» Ecology and Environment » Ecosystem » Patterns, Components

MCQ▾

Question

Under what condition, the upright pyramid of biomass becomes inverted?

Choices

Choice (4) Response

a.

Three ecosystem

b.

Terrestrial ecosystem

c.

Pond ecosystem

d.

Grassland ecosystem

Question number: 78

» Ecology and Environment » Ecosystem » Nutrient Cycling

MCQ▾

Question

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.

Question does not provide sufficient data or is vague

Question number: 79

» Ecology and Environment » Ecosystem » Nutrient Cycling

Appeared in Year: 1999

MCQ▾

Question

Nitrogen fixing bacteria converts [CBSE PM/PD]

Choices

Choice (4) Response

a.

N03-+ N2

b.

N02 - > N03

c.

N2 - > NH3

d.

NH4+ - > Nitrates

Question number: 80

» Ecology and Environment » Ecosystem » Pyramids of Number, Biomass, Energy

Appeared in Year: 1999

MCQ▾

Question

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.

Algae

d.

Virus

Sign In