Light energy is transformed into chemical energy by ____________.
A. Photosynthesis
B. Respiration
C. Recycling
D. Productivity
How do red and blue light differ?
A. Blue light has a higher speed of propagation.
B. The wavelength of red light is longer.
C. Red light has a higher intensity.
D. Red and blue light have different directions of polarization.
Ecology deals with the study of ____________.
A. Living beings
B. Living and non living components
C. Reciprocal relationship between living and non living components
D. Environment
The effects of radioactive pollutants depends upon ____________.
A. Rate of diffusion
B. Energy releasing capacity
C. Rate of deposition of the contaminant
D. All of these
Blue whale is placed under _______________.
A. Endangered
B. Critically endangered
C. Rare
D. Extinct
What is edge species?
A. The species which occur abundantly in the ecotone
B. Species on the verge of extinction
C. Rare species
D. Endemic species
The phenomenon of occurrence of additional species found in the ecotone or transitional zone between adjoining ecosystems is known as ___________________.
A. Edge effect
B. Root effect
C. Raman effect
D. Coolidge effect
Dodo is ______________.
A. Endangered
B. Critically endangered
C. Rare
D. Extinct
Who had stated in the Stockholm Conference in 1972 that poverty was the greatest polluter?
A. Indira Gandhi
B. Mahatma Gandhi
C. Rajiv Gandhi
D. Jawaharlal Nehru
A strong radiation inversion is more likely to occur on a ______________.
A. Warm, windy night.
B. Cool, windy night.
C. Rainy night with light winds.
D. Clear night with light winds.
