Biology 2016 Jamb Examination
Biology 2016 Jamb Examination
Question 31
The importance of the mouth-brooding behaviour in Tilapia is that it
Mouth-brooding in Tilapia is a parental care strategy where the parent keeps eggs or young in its mouth to protect them from predators, increasing offspring survival rates in natural habitats.
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Question 32
The type of asexual reproduction that is common to both Paramecium and Protists is
Binary fission is a common method of asexual reproduction in unicellular organisms like Paramecium and other Protists. The cell divides into two genetically identical daughter cells, enabling rapid population growth.
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Question 33
The micro-organisms that causes Typhoid disease is
Typhoid fever is caused by the bacterium Salmonella typhi, which infects the intestines and bloodstream, leading to prolonged fever and gastrointestinal symptoms.
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Question 34
A collection of population of all living organisms that exist in a habitat is referred to as
A community is the term used to describe all populations of different species living and interacting in a particular habitat, forming the basis for ecological interactions and ecosystem dynamics.
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Question 35
The largest amount of yolk is found in the egg of
Bird eggs (Aves) have a large amount of yolk to provide nutrients to the developing embryo. The yolk is rich in proteins and lipids, supporting development until hatching.
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Question 36
Fibrinogen and prothrombin play important roles in the
Fibrinogen and prothrombin are essential blood plasma proteins involved in coagulation. Prothrombin converts to thrombin, which then transforms fibrinogen into fibrin, forming blood clots to prevent excessive bleeding.
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Question 37
The pathogen that causes smallpox is
Smallpox is caused by the Variola virus, a member of the poxvirus family. It is highly contagious and historically caused widespread epidemics before its eradication through vaccination.
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Question 38
The vector for the malaria parasite is a
The female Anopheles mosquito is the primary vector for Plasmodium species, the causative agents of malaria. It transmits the parasite during blood feeding, facilitating the malaria life cycle.
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Question 39
Which of the following pairs are social insects?
Termites and bees exhibit social behavior, living in colonies with division of labor, cooperative brood care, and overlapping generations. These characteristics define them as social insects.
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Question 40
Which of the following protects the essential parts of the flower at bud stage?
Sepals are modified leaves that enclose and protect the developing flower bud, shielding it from mechanical damage and desiccation until it opens for pollination.
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