Ecology and Environment (NEET Biology): Questions 40 - 47 of 227

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: 40

» Ecology and Environment » Ecosystem » Nutrient Cycling

MCQ▾

Question

Crystalline rocks are natural source of which biogenic element?

Choices

Choice (4) Response

a.

Sodium

b.

Magnesium

c.

Calcium

d.

Phosphorus

Question number: 41

» Ecology and Environment » Ecosystem » Patterns, Components

MCQ▾

Question

The trophic level of lion in a forest ecosystem is

Choices

Choice (4) Response

a.

T1

b.

T3

c.

T4

d.

T2

Question number: 42

» Ecology and Environment » Biodiversity and Its Conservation » Biosphere Reserves

MCQ▾

Question

Number of biosphere reserves in May 2002 was

Choices

Choice (4) Response

a.

217 in 65 countries

b.

449 in 103 countries

c.

381 in 74 countries

d.

408 in 94 countries

Question number: 43

» Ecology and Environment » Ecosystem » Patterns, Components

MCQ▾

Question

If carbon dioxide is withdrawn from the biosphere, which organism would first experience negative effects?

Choices

Choice (4) Response

a.

Primary producers

b.

Secondary consumers

c.

Producers

d.

Tertiary consumers

Question number: 44

» Ecology and Environment » Ecosystem » Ecological Succession

MCQ▾

Question

The sphere of living matter together with water, air and soil on the surface of earth is

Choices

Choice (4) Response

a.

Lithosphere

b.

Biosphere

c.

Atmosphere

d.

Hydrosphere

Question number: 45

» Ecology and Environment » Ecosystem » Patterns, Components

MCQ▾

Question

An ecosystem is a complex interacting system of

Choices

Choice (4) Response

a.

Communities and their soil conditions

b.

Communities and their physical environment

c.

Individual

d.

Population

Question number: 46

» Ecology and Environment » Ecosystem » Ecological Succession

MCQ▾

Question

Which one is not dangerous for life and atmosphere?

Choices

Choice (4) Response

a.

Ozone layer

b.

Deforestatior

c.

Biopollutants

d.

Nuclear blast

Question number: 47

» Ecology and Environment » Ecosystem » Productivity and Decomposition

MCQ▾

Question

The sun loving plants are referred to as

Choices

Choice (4) Response

a.

Heliophytes

b.

Heterotrophs

c.

Halophytes

d.

Sciophytes

Sign In