Niche is:

1.	All the biological factors in the organism environment
2.	The physical space where an organism lives
3.	The range of temperature that the organism needs to live
4.	The functional role played by the organism where it lives

Natality refers to:
1. Death rate
2. Birth rate
3. Number of individuals leaving the habitat
4. Number of individuals entering the habitat

According to Darwin, organic evolution is due to:

What type of human population is represented by the following age pyramid? 

  
1.  Stable population
2.  Declining population
3.  Expanding population
4.  Vanishing population

Geometric representation of age structure is a characteristic of:

1. Biotic community

2. Population

3. Landscape

4. Ecosystem

Parasites evolved special adaptations in accordance with their life styles. Choose odd one out with respect to these adaptations.

1. High reproductive capacity

2. Simple life cycle and complex morphological, anatomical features

3. Loss of unnecessary sense organs

4. Loss of digestive system

Which of the following factors increases population density more significantly if new habitat is colonized?

1. Natality 

2. Mortality

3. Immigration 

4. Emigration

“Sexual deceit” is employed by

1. Ophrys to get pollinated.

2. Orchids on mango for shelter.

3. Cuckoo on crow.

4. Abingdon torgoise in Galapagos island.

Statement - 1 : Herbivores and plants appears to be more adversely affected by competition than carnivores.
Statement - 2 : Competition is a process in which fitness of one species is significantly lower in the presence of another species.
 

Options
1.  Both statements are correct.

2.  Both statements are incorrect.

3.  1 is incorrect.

4.  2 is incorrect.