Utilisation of natural resources in moderate manner to remaining something for the next generation is termed as ______________.
A. Resettlement
B. Sustainable development
C. Rehabilitation
D. Mutual development
The 3 R principle in waste management involves _______________.
A. Reduce, Regain, Reuse
B. Reduce, Reuse, Recycle
C. Reduce, Reform, Reset
D. Reduce, Retain, Regain
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
