Ecology and Environment (NEET Biology): Questions 226 - 230 of 230

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Question number: 226

» Ecology and Environment » Biodiversity and Its Conservation » Loss of Biodiversity

Appeared in Year: 2016

MCQ▾

Question

The highest DDT concentration in aquatic food chain shall occur in

Choices

Choice (4) Response

a.

Seagull

b.

Phytoplankton

c.

Crab

d.

Eel

Question number: 227

» Ecology and Environment » Ecosystem » Productivity and Decomposition

Appeared in Year: 2016

MCQ▾

Question

The principle of competitive exclusion was stated by

Choices

Choice (4) Response

a.

MacArthur

b.

C Darwin

c.

Verhulst and Pearl

d.

G F Gause

Question number: 228

» Ecology and Environment » Organisms and Environment » Habitat and Niche

Appeared in Year: 2004

MCQ▾

Question

Which organism was used by Beadle and Tatum to proposed one gene-one enzyme hypothesis? [UP CPMT]

Choices

Choice (4) Response

a.

Nostoc

b.

Drosophila

c.

E. coli

d.

Neurospora

Question number: 229

» Ecology and Environment » Environmental Issues » Air Pollution and Its Control

Appeared in Year: 2002

MCQ▾

Question

5th June is celebrated as [UP CPMT]

Choices

Choice (4) Response

a.

World Red Cross day

b.

World forest day

c.

World environment day

d.

World food day

Question number: 230

» Ecology and Environment » Ecosystem » Ecological Services-Carbon Fixation, Pollination, Oxygen Release

Appeared in Year: 2002

MCQ▾

Question

Study of environment and animal relation is [UP CPMT]

Choices

Choice (4) Response

a.

Biotic community

b.

Ecosystem

c.

Ecology

d.

Phytosociology

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