How biodiversity is measured and where it is highest — NEET & JEE Questions

Question 1 · difficulty L1 · recall

The classic relationship between species richness S and area A:

• A. S = A/CZ
• B. S = Z/A
• C. S = C A^Z
• D. S = C + A + Z

Question 2 · difficulty L1 · recall

The log form of the species-area relationship:

• A. S = log C only
• B. log S = C - Z log A
• C. log A = 0 always
• D. log S = log C + Z log A

Question 3 · difficulty L1 · recall

Variation in genes within a species or population:

• A. ecological diversity
• B. genetic diversity
• C. trophic diversity only
• D. species diversity

Question 4 · difficulty L1 · recall

Variety of ecosystems or habitats in a region:

• A. genetic diversity
• B. allelic diversity only
• C. species diversity
• D. ecological diversity

Question 5 · difficulty L1 · recall

Variety of species in a region:

• A. genetic diversity
• B. ecological diversity
• C. species diversity
• D. molecular diversity only

Question 6 · difficulty L2 · understanding

The general global pattern of species richness from equator toward poles:

• A. remains identical at all latitudes
• B. decreases toward the poles
• C. is zero in tropics
• D. increases steadily toward the poles

Question 7 · difficulty L2 · understanding

How does species richness generally change from the poles toward the tropics?

• A. It decreases toward the tropics
• B. It increases toward the tropics
• C. It remains identical at all latitudes
• D. It depends only on altitude

Question 8 · difficulty L2 · understanding

Species richness refers to

• A. the number of species present in an area
• B. the number of individuals of one species only
• C. the biomass of the largest species
• D. the number of trophic levels

Question 9 · difficulty L3 · application

In the species-area relationship S = CA^Z, what does an increase in area generally predict?

• A. No change in species number
• B. A decrease in species richness to zero
• C. An increase in species richness
• D. Loss of all endemic species

Question 10 · difficulty L3 · understanding

Exploring molecular, genetic and species-level diversity for products of economic importance is called

• A. Biofortification
• B. Bioremediation
• C. Bioprospecting
• D. Biomagnification