English
Karnataka Board PUCPUC Science 2nd PUC Class 12

Which of the following countries has the highest biodiversity?

Advertisements
Advertisements

Question

Which of the following countries has the highest biodiversity?

Options

  • South America

  • South Africa

  • Russia

  • India

MCQ
Advertisements

Solution

South America

shaalaa.com
  Is there an error in this question or solution?
Chapter 15: Biodiversity and Conservation - MULTIPLE CHOICE QUESTIONS [Page 106]

APPEARS IN

NCERT Exemplar Biology Exemplar [English] Class 12
Chapter 15 Biodiversity and Conservation
MULTIPLE CHOICE QUESTIONS | Q 1. | Page 106

Video TutorialsVIEW ALL [1]

RELATED QUESTIONS

The following graph shows the species-area relationship. Answer the following questions as directed.

(a) Name the naturalist who studied the kind of relationship shown in the graph. Write the observations made by him.

(b) Write the situations as discovered by the ecologists when the value of ‘Z’
(Slope of the line) lies between:

  1. 0.1 and 0.2
  2. 0.6 and 1.2

What does ‘Z’ stand for?

(c) When would the slope of the line ‘b’ become steeper?


Extent of global diversity of invertebrates is shown in the pie diagram below. Choose the most appropriate alternative that the four portions (a-d) represent.


In the equation: log S = log C + Z log A , S= species richness; Z = slope of line (regression coefficient); A = area; C = Y intercept. For smaller area, the value of Z ranges from ____________.


Select the correct alternative for x and y.


Which of these is true about tropical environments?


Which of these is true about tropical environments?


The pattern of biodiversity is affected by ______.


What does the term ‘Frugivorous’ mean?


There is greater biodiversity in tropical /subtropical regions than in temperate region. Explain.


The relation between species richness and area for a wide variety of taxa turns out to be a rectangular hyperbola. Give a brief explanation.


Write the inference drawn by Alexander von Humboldt after his extensive explorations of South American jungle.


Study the graph given below:

As per Alexander von Humboldt, what do the symbols S, A, Z and C in the graph stand for, in respect of a species and area relationship?


Distribution of diversity on earth shows that biodiversity from higher latitudes to lower latitudes ______.


For frugivorous (fruit-eating) birds and mammals in the tropical forests of different continents, the slope of the species-area relationship is found to be approximately ______.


Which of the following hypothesis suggests that ecosystems are like aeroplanes where flight safety (ecosystem functioning) may or may not be compromised, depending upon which species are being lost?


When pre-reproductive and post - reproductive age group is same in structure, the population is______.


Match the scientist in column I with their contribution in column II and choose the correct option.

  Column I   Column II
i. Alexander Van Humboldt a. Estimated 7 million species round the globe
ii. Robert May b. Rivet popper hypothesis
iii. David Tillman c. Species Area Relationship
iv. Paul Ehrlich d. Productivity stability hypothesis

Which of the following characteristics are seen in a stable community?

  1. It is strong enough to withstand environmental disturbance and recovers quickly.
  2. It is resistant to invasive species.
  3. It exhibits constant change in biomass production over a period of time.
  4. It has more species diversity.

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×