HARD
Earn 100

Value of Z (regression coefficient) is considered for measuring the species richness of an area. If the value of Z is 0.7 for area A, and 0.15 for area B, which area has higher species richness and a steeper slope?

Important Questions on Biodiversity and Conservation

EASY
Which of the following is the most important cause for animals and plants being driven to extinction?
EASY
'Higher species diversity is reported in tropical region'. Give reason.
MEDIUM
Which of the following is correctly matched?
MEDIUM
Statement I: Amazon rain forest is called the lungs of our planet.
Statement II: The number of species per unit area is called species richness.
EASY
The red list contains data or information on
EASY
The regression co-efficient for frugivorous birds in tropical forests of different continents is
EASY
Which of the following is the most important cause for animals and plants being driven to extinction?
EASY
Organisms living in constant environmental conditions get
EASY
In a comparative analogy between the aeroplane and ecosystem the Rivet Popper hypothesis used by Stanford ecologist Paul Ehrlich's, identify the correct matching?
Column I Column II
i) Rivets a) Ecosystem
ii) Aeroplane b) Species
iii) Popping of a rivet c) Key species
iv) Rivets on the wings d) Proper functioning of ecosystem
v) Flight safety e) A species to become extinct
EASY
Which one of the following class of animals constitutes the largest biomass on earth?
EASY
An ecologist samples trees in multiple forest plots to determine species richness. Which ONE of the following can help determine the adequacy of sampling effort?
EASY
Biological diversity increases with the productivity of an ecosystem. In which of the following habitats do we see the greatest diversity of species?
EASY
A graph of species richness vs area on log-log axis is:
EASY
Alexander Von Humboldt described for the first time:
MEDIUM
The difference between the Red List and Red Data Book is
EASY

Given below is the representation of the extent of the global diversity of invertebrates. What groups the four portions (A-D) represent respectively?
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HARD
The tropical Amazonian rainforest in South America has the greatest biodiversity on earth. Do you agree with this? Explain.
MEDIUM
Identify the incorrect statement
1. Speciation is generally a function of time
2. Tropical environment is less seasonal, relatively more constant and predictable
3. Solar energy contributes to high productivity
4. Temperate regions have remained relatively undisturbed for millions of years.
EASY

Match for M and N with the species-area relationship shown in the graphic representation below and choose the correct option.

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