Q. A relatively dense layer of band which is found in the thermosphere is known as?

View solution

Q. Which of the following parameter of light is NOT required by plants to grow?

View solution

Q. What is pedology?

View solution

Q. Name the term which is used for the water present in the soil that can be utilized by the plants.

View solution

Q. Name the type of water stored in the soil in the form of hydrated oxides of iron, silicon, and aluminium?

View solution

Q. Vegetation of tropical deciduous forest falls under which of the following categories?

View solution

Q. Genetically different population with the same physical features is known as ____________

View solution

Q. Niche is a place where particular organisms live.

View solution

Q. Name the group of species which exploit the abiotic and biotic resources in a similar way?

View solution

Q. Who proposed the term ecosystem?

View solution

Q. Name the organisms that manufacture organic compounds from simple inorganic compounds without using sunlight?

View solution

Q. Which of the following organism eats feces?

View solution

Q. Which of the following type of productivity counts the total fixation of energy by photosynthesis?

View solution

Q. Hekistotherm vegetation is found in which of the following region?

View solution

Q. Pyramid of numbers for grassland ecosystem is____________

View solution

Q. Pyramid of number defines the individuals of each species belonging to trophic level in an ecosystem.

View solution

Q. Which of the following statement is CORRECT about the pyramid of energy?

View solution

Q. Which of the following has a higher assimilation efficiency?

View solution

Q. Which of the following ecosystem consists of forest, grassland and deserts?

View solution

Q. Mark the one, which comes under a lotic ecosystem?

View solution