Static Quiz 29 July 2023 (Environment)
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Static Quiz 29 July 2023 (Environment)
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- Question 1 of 5
1. Question
Azospirilium and Azotobacter are the examples of
CorrectTypes and features of biofertilizers Based on type of microorganism, the bio-fertilizer can also be classified as follows:
Bacterial Biofertilizers: e.g. Rhizobium, Azospirilium, Azotobacter, Phosphobacteria.
Fungal Biofertilizers: e.g. Mycorhiza
Algal Biofertilizers: e.g. Blue Green Algae (BGA) and Azolla. Actinimycetes Biofertilizer: e.g. FrankiaIncorrectTypes and features of biofertilizers Based on type of microorganism, the bio-fertilizer can also be classified as follows:
Bacterial Biofertilizers: e.g. Rhizobium, Azospirilium, Azotobacter, Phosphobacteria.
Fungal Biofertilizers: e.g. Mycorhiza
Algal Biofertilizers: e.g. Blue Green Algae (BGA) and Azolla. Actinimycetes Biofertilizer: e.g. Frankia - Question 2 of 5
2. Question
With reference to concepts of ecology, consider the following statements:
1. A species that is able to tolerate a wide range of the environmental conditions is said to have a high ecological amplitude.
2. Ecological tolerance is the degree of adaptation of a living organism to the change in its environment.
Which of the statements given above is/ are correct?CorrectEcological amplitude was recognized by Shelford (1937) as the Law of Tolerance. It is the degree of adaptation of a living organism to the change in its environment. A species that is able to tolerate a wide range of environmental conditions is said to have a high ecological tolerance
IncorrectEcological amplitude was recognized by Shelford (1937) as the Law of Tolerance. It is the degree of adaptation of a living organism to the change in its environment. A species that is able to tolerate a wide range of environmental conditions is said to have a high ecological tolerance
- Question 3 of 5
3. Question
Which of the following are called ‘benthos’?
CorrectThe term benthic refers to anything associated with or occurring on the bottom of a body of water. The animals and plants that live on or in the bottom are known as the benthos.
IncorrectThe term benthic refers to anything associated with or occurring on the bottom of a body of water. The animals and plants that live on or in the bottom are known as the benthos.
- Question 4 of 5
4. Question
With reference to the species of Rhino, which of the following statement is incorrect?
CorrectRhino:
• There are five species of rhino – white and black rhinos in Africa, and the greater one-horned, Javan and Sumatran rhino species in Asia.
• Only the Great One-Horned Rhino is found in India.
• Also known as Indian rhino, it is the largest of the rhino species.
• It is identified by a single black horn and a grey-brown hide with skin folds.
• They primarily graze, with a diet consisting almost entirely of grasses as well as leaves, branches of shrubs and trees, fruit, and aquatic plants.
• Habitat:
• The species is restricted to small habitats in Indo-Nepal terai and northern West Bengal and Assam.
• Manas National Park was selected as the first site for translocation of rhinos.
• Ten rhinos have been released into Manas since 2008. Ten more rhinos will be moved from Kaziranga National Park before the end of the year.IncorrectRhino:
• There are five species of rhino – white and black rhinos in Africa, and the greater one-horned, Javan and Sumatran rhino species in Asia.
• Only the Great One-Horned Rhino is found in India.
• Also known as Indian rhino, it is the largest of the rhino species.
• It is identified by a single black horn and a grey-brown hide with skin folds.
• They primarily graze, with a diet consisting almost entirely of grasses as well as leaves, branches of shrubs and trees, fruit, and aquatic plants.
• Habitat:
• The species is restricted to small habitats in Indo-Nepal terai and northern West Bengal and Assam.
• Manas National Park was selected as the first site for translocation of rhinos.
• Ten rhinos have been released into Manas since 2008. Ten more rhinos will be moved from Kaziranga National Park before the end of the year. - Question 5 of 5
5. Question
With reference to ecological niche, which of the following statements is/are correct?
1. It represents the range of conditions that it can tolerate, the resources it utilizes and its functional role in the ecological system.
2. Each species has a distinct niche.
Select the correct answer from the code given below:CorrectThe term ecological niche was developed by Charles Elton. Ecological niche may be defined as ‘the functional role and position (micro-habitat) of species in its ecosystem, including what resources it uses, how and when it uses the resources, and how it interacts with other species. The ecosystem stability depends upon the diversity of the niche.
IncorrectThe term ecological niche was developed by Charles Elton. Ecological niche may be defined as ‘the functional role and position (micro-habitat) of species in its ecosystem, including what resources it uses, how and when it uses the resources, and how it interacts with other species. The ecosystem stability depends upon the diversity of the niche.
