JSS 2 Biology - First Term Exam
- 1. 1. The ways in which organisms survive in their various habitat is called --------
A) Development
B) Observation
C) Adaptation
D) Habitation
- 2. 2. Cricket and cancer resistant rat are some of the organisms that live on ------
A) Subterranean
B) Inside water
C) On the ground
D) On the tree
- 3. 3. The history of a family exposing how all the people are related to one another is called -----------
A) Palaeontology
B) Archaeology
C) Synecology
D) Genealogy
- 4. 4. The earliest scientist that presented an organized study on heredity was --------
A) T. Mendelev
B) John Dalton
C) Neils Bohr
D) Johann Gregor Mendel
- 5. 5. ---------- traits are the subjugated traits in a family which for a while remain dormant in a generation.
A) Recessive
B) Dormant
C) Dominant
D) Recession
- 6. 6. The following are importance of family trait except ----------
A) To predict genotype frequency
B) To detect crime
C) Find a lost family
D) Determine a future career
- 7. 7. One of the following is not a developmental stage in man.
A) Adulthood
B) Labouring stage
C) Adolescence
D) Infancy
- 8. 8. The following indicate changes in growth except ---------
A) Increase in weight
B) Increase in mindset
C) Increase in size
D) Increase in height
- 9. 9. The organism that provides food for all other organisms in the ecosystem is ---------
A) Consumer
B) Producer
C) Decomposer
D) Carnivore
- 10. 10. The organisms that feed on both plants and animals are referred to as --------
A) Producers
B) Herbivores
C) Omnivores
D) Carnivores
- 11. 11. Network of interconnected food chains in an ecosystem is called ---------
A) Energy level
B) Food tray
C) Food chain
D) Food web
- 12. 12. Periwinkles and lobsters are found in --------
A) Fresh water
B) Estuarine
C) Salt water
D) Marine habitat
- 13. 13. The freshwater habitats include the following except -------
A) Rivers
B) Ponds
C) Streams
D) Lakes
E) Oceans
- 14. 14. A region where freshwater meets the saltwater is known as -------
A) Lakes
B) Marine
C) Streams
D) Estuarine
- 15. 15. The webbed feet of duck is an adaptive feature for ---------
A) Jumping
B) Flying
C) Crawling
D) Swimming
- 16. 16. _________________ is defined as the increase in size and weight as a result of increase in the number of cells in the body.
- 17. 17. Cerebellum and medulla oblongata are found in which part of the brain?
- 18. 18. The basic unit of inheritance is called ________________________
- 19. 19. The part of brain that serves as the centre for intelligence and memory, speed and sense of smell is called ________________________
- 20. 20. Weak and fragile, very rapid growth are characteristics of ________________________.
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