44. A person breeds rodent in a cage. After a few generation, the breeder observes that the rodents are more aggressive towards each other, the young are less healthy and more young rodents die. What do you think will happen to the population of the radents?


A. The population will remain the same
B. The population will increase.
C. The population will decrease.
D. The population is not affected.

45. Which of the following statements pertains to biodiversity?

A. It describes how varied living things are in the specific area
B. It is the ability to withstand changes in the environment.
C. It is the ability to survive the steady flow of the environment.
D. It is the ability of single specie to survive a natural disaster.

46. Why is biodiversity important for the stability of the ecosystem?

A. It resists the change in the corrying capacity.
B. It affects the sustainability of the limiting factor.
C. It withstands the changes in the environment.
D. It sustains the flow of energy from the food web.

47. How will you conserve the ecosystem?

A. Advertise it as a camping site.
B. Build a community among trees.
C. Cut the trees into logs and make timber.
D. Promote the importance of trees and living organism in our environment

48. What type of population growth in shown in the population size vs time graph?

A. Exponential growth
B. Logarithmic growth
C. Logistic Growth
D. Slow Growth

49. Which of the following statements probably happened if there is a decrease in the number of organisms in a populationa

A. The ecosystem has reached its limit.
B. The ecosystem has plenty of available resources.
C. The ecosystem experiences a loss of limiting factor
D. The ecosystem experiences a tear without natural calamities.

50. What is the result if the population of an organism is less than its carrying capacity?
A. The area will be congested.
B. There will be scarcity in food.
C. The number of houses will not be enough.
D. There will be enough resources for everyone.​