Ecology and Environment (NEET Biology): Questions 145 - 151 of 227

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Question number: 145

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

MCQ▾

Question

If the Bengal tiger becomes extinct,

Choices

Choice (4) Response

a.

Ecological imbalance will occur.

b.

Its gene pool will be lost for ever.

c.

The population of beautiful animals like deers of will be stabilized.

d.

Hyenas and wolves will become scarce.

Question number: 146

» Ecology and Environment » Biodiversity and Its Conservation » Extinction

MCQ▾

Question

Which of the following has become extinct in India?

Choices

Choice (4) Response

a.

Tiger

b.

Two horned Rhino

c.

Dodo

d.

Lion

Question number: 147

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

MCQ▾

Question

At which latitude, heat gain through insolation approximately equals heat loss through terrestrial radiation?

Choices

Choice (4) Response

a.

66 North and South.

b.

40 North and South

c.

42 North and South

d.

22 North and South

Question number: 148

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

Appeared in Year: 1998

MCQ▾

Question

Species separated by geographical barriers are [CBSE PM/PP]

Choices

Choice (4) Response

a.

Sibling

b.

Endemic

c.

Sympatric

d.

Allopatric

Question number: 149

» 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: 150

» 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

Question number: 151

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

Appeared in Year: 2001

MCQ▾

Question

Reason of diversity in living being [CBSE PM/PD]

Choices

Choice (4) Response

a.

Mutation

b.

Short term evolutionary change

c.

Gradual change

d.

Long term evolutionary change

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