CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III): Questions 225 - 229 of 385

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 385 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 250.00 or

Question number: 225

» Ecosystems » Population

Appeared in Year: 2015

MCQ▾

Question

If K is carrying capacity of a population N in an ecosystem following the logistic growth, its growth rate becomes zero when (June)

Choices

Choice (4) Response

a.

N = Half of the carrying capacity of the habitat

b.

Mortality > Natality

c.

NK=1

d.

NK=0

Question number: 226

» Introduction of Environmental Science » Geographical Classification and Zones

Appeared in Year: 2015

MCQ▾

Question

An endotherm’s basal metabolic rate stays constant throughout a range of environmental temperatures known as the:

(I) Lower critical temperature zone

(II) Thermoneutral zone

(III) Higher critical temperature zone

Choose the correct answer: - (June)

Choices

Choice (4) Response

a.

(I) and (II) only

b.

(II) and (III) only

c.

(II) only

d.

(I) only

Question number: 227

» Ecology and Evolution » Human Ecology and Human Settlement

Appeared in Year: 2015

MCQ▾

Question

Individual organism responds to environmental change through short-term adjustment (s) by: (June)

Choices

Choice (4) Response

a.

Cytological changes

b.

Genetic changes

c.

Physiological changes

d.

Phytochemical and genetic alterations

Question number: 228

» Environment Impact Assessment » Environmental Impact Statement and Environmental Management Plan

Appeared in Year: 2015

MCQ▾

Question

ISO 14000 is connected with. (June)

Choices

Choice (4) Response

a.

Adoption of environmental safety guideline

b.

Energy audit in Industries

c.

Adoption oean development

d.

Adoption of environmental management system in industry/organization

Question number: 229

» Soil » Physico - Chemical as Bacteriological Sampling as Soil Quality Analysis

Appeared in Year: 2015

MCQ▾

Question

Most common soil borne bacterial pathogen that manipulates plant by injecting its DNA segment into plant cell is (June)

Choices

Choice (4) Response

a.

Rhizobium leguminosarum

b.

Clostridium thermoacetium

c.

Agrobacterium tumefaciens

d.

Acidaminococcus fermentans

Sign In