1. The natural place of an organism or community is known as?
   Question grade : 1

1/30
Niche
Biome
Habitat
Habit

2. Plants growing under direct sunlight are known as?
   Question grade : 1

2/30
Heliophytes
Sciophytes
Psamophytes
Dicots

3. An orchid living on a tree exhibits?
   Question grade : 1

3/30
Predator
Mutualism
Commensalism
Parasitism

4. Which of the following requires maximum energy??
   Question grade : 1

4/30
Secondary consumer
Decomposer
Primary consumer
Primary producer

5. Which is not the characteristic of a population??
   Question grade : 1

5/30
Natality
Mortality
Stratification
Sex ratio

6,In an ecosystem, the energy flow is always?
Question grade : 1

6/30
Always unidirectional
Always bidirectional
In any direction
Always down directional

7. Select a non-denitrifying bacteria?
   Question grade : 1

7/30
Pseudomonas aeruginosa
Thiobacillus
Thiobacillus denitrificans
Bacillus ramosus

8. Identify the mismatched pair?
   Question grade : 1

8/30
Tundra – Permafrost
Savanna – Acacia trees
Prairie – Epiphytes
Coniferous forest – Evergreen trees

9. The pyramid of energy is always upright” states that?
   Question grade : 1

9/30
The energy conversion efficiency of herbivores is better than carnivores
The energy conversion efficiency of carnivores is better than herbivores
Producers have the lowest energy conversion efficiency
Energy conversion efficiency is the same in all trophic levels

10. Shelford’s law of tolerance is named after:?
    Question grade : 1

10/30
James Shelford.
Jacob Shelford
Ernest Shelford
None of these

11. Animal adopts a similar state like sleep to reduce their metabolic rate, it is called:?
    Question grade : 1

11/30
Migration
Transpiration
Hibernating
None of these

12. The term ecosystem was proposed by ____ .?
    Question grade : 1

12/30
Lindeman
AG Tansley
Grinnel
Turesson

13. The force that initiates evolution is __?
    Question grade : 1

13/30
Variation
Mutation
Extinction
Adaptation

14. On the Origin of Species was written by _?
    Question grade : 1

14/30
Charles Darwin
Ludmila Kuprianova
Mikhail A. Fedonkin
None of the above

15. Which condition can be explained by Lamarckism??
    Question grade : 1

15/30
How giraffes got their long neck
How humans lost their tail
How humans became bipedal
All of the above