Approximately how much of the solar energy that falls on the leaves of a plant is converted to chemical energy by photosynthesis?
During the process of ecological succession the changes that take place in communities are:
The sequence of communities of primary succession in water is:
If the carbon atoms fixed by producers already have passed through three species, the trophic level of the last species would be.
Which of the following is an ecosystem service provided by a natural ecosystem?
What parameters are used for tiger census in our country’s national parks and sanctuaries?
An inverted pyramid of biomass can be found in which ecosystem?
Where among the following will you find pitcher plant?
Which one of the following is not a major characteristic feature of biodiversity hot spots?
Match the animals given in column I with their location in column II:
Column I Column II
A. Dodo i. Africa
B. Quagga ii. Russia
C. Thylacine iii. Mauritius
D. Stellar's sea cow iv. Australia
Choose the correct match from the following:
The one-horned rhinoceros is specific to which of the following sanctuary
Amongst the animal groups given below, which one appears to be more vulnerable to extinction?
What is common to Lantana, Eichhornia and African catfish?
Among the ecosystem mentioned below, where can one find maximum biodiversity?
Which of the following forests is known as the ‘lungs of the planet Earth’?