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Organisms And Populations

Question
CBSEENBI12002951
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Which of these is used to control human population?

  • Estrogen + progesterone

  • IUCD and MTP

  • Tubectomy and vasectomy

  •  All of the above

Solution

A.

Estrogen + progesterone

To control the human population many births control methods can be used, such as hormonal method, ie, use of contraceptive pills (estrogen and progesterone are main constituents), mechanical prevention method, i.e., use of IUCDs (Intrauterine Contraceptive Device), surgical sterilization methods, like tubectomy (surgical removal of fallopian tubules) or vasectomy (surgical removal of vas deferens).

Some More Questions From Organisms and Populations Chapter

Ants give information to their companions :

Population density is denoted by the symbol

The number of births during a given period in the
population that are added to the initial density is 

 :

The departure of a individual from a population is called :

In which interaction only one species is benefitted while the other species is neither harmed nor benefitted ?

Which of the following interaction both species suffer ?

In which of the following interaction both species are benefitted ?

Fill in the blanks with suitable words :

1. The optimal capacity of the organism to produce offspring is called........................

2. Rapid increase in human population is called........................

3. Mathematical expression of the growth of population is called........................

4. Yeast cells grown in a culture medium show........................growth curve.

5. Main cause of population explosion is........................

State true or false :

Coin one word for the following statements :

1.Organism that can tolerate only a narrow range of salinity.

2. Plants that can survive a wide range of temperature.

3. Interaction of two species in which one is benefited while other is neither benefited nor harmed.

4. Number of births during a given period in the population that are added to the initial density.

5. the process of maintaing a constant body temperature.

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