Tag: zoology

Questions Related to zoology

A species spread over a large tract with varied environmental conditions will have

zoology biodiversity, classification and conservation levels of biodiversity environmental conservation and biodiversity biodiversity on earth and in india

  1. Higher genetic diversity

  2. Uniform gene pool

  3. Little genetic diversity

  4. Either B or C

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Correct Option: A
Explanation:

The variety and variability of living organisms (both plants and animals) are known as biodiversity. The variation measured by biodiversity is at the genetic, species, and ecosystem level. Gene-based diversity is known as genetic diversity. It is a way for populations to adapt to changing environments. A species spread over a large tract with varied environmental conditions will have higher genetic diversity.

So, the correct answer is 'Higher genetic diversity'.

In India, we find mangoes with different flavours, colours, fibre content, sugar content and shelf life. The large variation is due to 

zoology biodiversity, classification and conservation levels of biodiversity environmental conservation and biodiversity biodiversity on earth and in india

  1. Genetic diversity

  2. Species diversity

  3. Induced mutations

  4. Hybridisation

Show answer
Correct Option: A
Explanation:
Genetic diversity represents the total number of genetic characteristics in the genetic makeup of a species. Whereas, the genetic variability describes the tendency of genetic characteristics to vary. This diversity lets the population adapt to changing environments. For example, In India, we find mangoes with different flavors, colors, fiber content, sugar content and shelf life. The great variation is due to the genetic diversity.
So, the correct answer is 'Genetic diversity'.

Beta diversity is diversity

zoology biodiversity, classification and conservation levels of biodiversity environmental conservation and biodiversity biodiversity on earth and in india

  1. In a community

  2. Between communities

  3. In mountain gradient

  4. On a plain

Show answer
Correct Option: B
Explanation:

Beta diversity is the diversity present between the communities. It is also the rate of replacement of species along a gradient of habitats/communities. Whereas, the local species pool is known as alpha diversity and the diversity present in the ranges of communities is known as Gamma diversity.

In general, Gamma diversity=Alpha diversity x Beta diversity.
So, the correct answer is 'Between communities'.

The relation between species richness and area is correctly depicted by

zoology biodiversity, classification and conservation levels of biodiversity environmental conservation and biodiversity biodiversity on earth and in india

  1. log S = log C - Z log A

  2. log S = Z log A

  3. log S = log C + Z log A

  4. log S = log C

  5. log C = log S + Z log A

Show answer
Correct Option: C
Explanation:

The relationship between the area of a habitat, or of part of a habitat, and the number of species found within that area is described by the species-area curve. It says that log S = log C + Z log A. Here S is the number of species, A is the habitat area, and Z is the slope of the species-area relationship. Larger areas tend to contain larger numbers of species.
So, the correct answer is 'log S = log C + Z log A'.

Which scientist proposed alphaα types species diversity?

zoology biodiversity, classification and conservation levels of biodiversity environmental conservation and biodiversity biodiversity on earth and in india

  1. Bentham and Huxley

  2. Linnaeus

  3. Whittaker

  4. Eichler

Show answer
Correct Option: C
Explanation:

The local species pool is known as alpha diversity. It is also the diversity present within the community. The term was introduced by R. H. Whittaker. Example of such diversity includes high tree diversity throughout the Amazon Rainforests of Ecuador. Generally, gamma diversity = alpha diversity x beta diversity.

So, the correct answer is 'Whittaker'.

The number of taxa present within a particular area or an ecosystem is

zoology biodiversity, classification and conservation levels of biodiversity environmental conservation and biodiversity biodiversity on earth and in india

  1. $\alpha$ - diversity

  2. $\beta$ - diversity

  3. Gamma diversity

  4. Delta diversity

Show answer
Correct Option: A
Explanation:

The number of taxa present within a particular area or an ecosystem is called alpha diversity. It is also the diversity present within the community. The term was introduced by R. H. Whittaker. Example of such diversity includes high tree diversity throughout the Amazon Rainforests of Ecuador. Generally, gamma diversity = alpha diversity x beta diversity.

So, the correct answer is 'α - diversity'.

The species in which the evolutionary process has been influenced by man to meet his need is called.

zoology biodiversity, classification and conservation levels of biodiversity environmental conservation and biodiversity biodiversity on earth and in india

  1. Adventives species

  2. Introduced species

  3. Naturalized species

  4. Domesticated species

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Correct Option: A

Which one of the following has maximum genetic diversity in India ?

zoology biodiversity, classification and conservation levels of biodiversity environmental conservation and biodiversity biodiversity on earth and in india

  1. Tea

  2. Teak

  3. Mango

  4. Wheat

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Correct Option: D

Ten species (i) to (x) sampled in four areas  $A-D$ having $11-13$ habitats (given in brackets) possess populations (in thousands) given in the table. Which one has the maximum species diversity

(i) (ii) (iii) (iv) (v) (vi) (vii) (viii) (ix) (x)
A (11) 2.3 1.2 0.52 6.0 - 3.1 1.1 9.0 - 10.3
B (11) 10.2 - 0.62 - 1.5 3.0 - 8.2 1.1 11.2
C (13) 11.3 0.9 0.48 2.4 1.4 4.2 0.8 8.4 2.2 4.1
D (12) 3.2 10.2 11.1 4.8 0.4 3.3 0.8 7.3 11.3 2.1
zoology biodiversity, classification and conservation levels of biodiversity environmental conservation and biodiversity biodiversity on earth and in india

  1. A

  2. B

  3. C

  4. D

Show answer
Correct Option: D
Explanation:

A) The given region does not have much species richness. 

B) The given region has the least species richness. 
C) The region has the second largest (sum total) of species richness. 
D) The region has the most species richness (by adding up the columns). 
So the correct answer is 'D'. 

Select an incorrect statement about biodiversity.

zoology biodiversity, classification and conservation levels of biodiversity environmental conservation and biodiversity biodiversity on earth and in india

  1. Mountain peaks are more diverse than foot hills.

  2. Valley's are more diverse than mountain peaks.

  3. Shade sides are more diverse than sun sides of mountains.

  4. Western ghats are more diverse than eastern ghats.

Show answer
Correct Option: A
Explanation:

Valleys, shade side of mountains and western ghats have more trees and water resources where more diverse fauna and flora may be present due to the availability of their life-sustaining resources comparing with the others. Foothills, when compared with the mountain peak, are more diverse because mountain peaks are at higher altitude there is more sunlight, less water or we can say no water and also colder climate when compared to foothills so it will mostly be covered with either snow or there will exist a grassland.


So the correct option is 'A'.