Welcome to your Biodiversity
1.
Match Column-I (Organism) with Column-II (Number of species) Column-I: 1. Ants, 2. Orchids, 3. Fishes, 4. Beetles Column-II: A. 20,000 B. 25,000 C. 28,000 D. 3,00,000
2.
The term ‘Biodiversity’ was popularized by
3.
The term biodiversity was popularized by Edward O. Wilson.
4.
Which of the following shows maximum genetic diversity?
5.
Rauwolfia vomitoria shows high genetic variation in reserpine content.
6.
How many genetically different strains of rice are found in India?
7.
Choose the correct statement
8.
If the present rate of species loss continues, we will lose our biological wealth in
9.
Robert May placed the global species diversity at about
10.
More than ______ % of all species recorded are animals
11.
Which group has more number of species?
12.
choose the correct statement
13.
Find the false statement
14.
Arrange the following in decreasing order of number of species: Fishes, Birds, Reptiles, Amphibians
15.
Which of the following group has more number of species?
16.
Which order is correct with respect to number of species?
17.
Which of the following plant groups has the maximum number of species?
18.
Find the false statement
19.
Find the true statement
20.
Which group shows the highest number of species among vertebrates?
21.
Which of the following is the most dominant invertebrate group?
22.
How do ecologists estimate the total number of species present in the world?
23.
The species diversity of plants (22%) is much less than animals (72%). Reason?
24.
Animal mobility promotes adaptation, speciation and diversification.
25.
India has about what percent of the world’s total land area but contains nearly 8% of biodiversity?
26.
India is one of the ______ mega biodiversity countries of the world
27.
Which of the following is NOT a megadiverse country?
28.
The Amazon rainforest is referred to as the lungs of the planet because
29.
Which region shows maximum biodiversity on Earth?
30.
The tropical region of maximum biodiversity lies between
31.
Which tropics shows highest level of biodiversity?
32.
Why do tropics show greater species richness?
33.
Which of the following factors does NOT contribute to higher biodiversity in tropics?
34.
The relationship between species richness and area is called
35.
The species–area relationship on a logarithmic scale becomes
36.
The constant ‘Z’ in species–area relationship represents
37.
The value of Z for small areas (within a region) generally lies between
38.
The value of Z for large areas like continents is
39.
Species that are restricted to a particular geographical region are called
40.
Which of the following is an example of an endemic species of India?
41.
Which organisation publishes the Red Data Book?
42.
Which of the following category represents the highest risk of extinction?
43.
The present rate of species extinction is estimated to be ______ times the normal background rate
