Biology JAMB - Page 20 Of 161 - Erudites Academy

A certain savanna grasshopper changes colour from green during the rainy season to brown during the dry season and black after dry season bush fires. The reason for these colour changes is that the?

A certain savanna grasshopper changes colour from green during the rainy season to brown during the dry season and black after dry season bush fires. The reason for these colour changes is that the?

by Sunday | Sep 12 | Biology JAMB

A. grasshopper is getting older B. environmental temperature is changing C. grasshopper is avoiding predation D. grasshopper is frequently moulting Correct Answer: Option C – grasshopper is avoiding predation

A certain savanna grasshopper changes colour from green during the rainy season to brown during the dry season and black after dry season bush fires. The reason for these colour changes is that the?

The mutation theory of organic evolution was propounded by?

by Sunday | Sep 12 | Biology JAMB

A. Gregor Mendel B. Hugo de Vries C. Jean Lamarck D. Charles Darwin Correct Answer: Option B – Hugo de Vries

A certain savanna grasshopper changes colour from green during the rainy season to brown during the dry season and black after dry season bush fires. The reason for these colour changes is that the?

Example of water-borne and sex linked diseases are?

by Sunday | Sep 12 | Biology JAMB

A. taeniasis and malaria B. cholera and gonorrhoea C. typhoid and syphilis D. dracunculiasis and haemophilia Correct Answer: Option C – typhoid and syphilis Explanation Syphilis is a bacterial infection usually spread by sexual contact. The disease starts as a...

A certain savanna grasshopper changes colour from green during the rainy season to brown during the dry season and black after dry season bush fires. The reason for these colour changes is that the?

The surest way to combine the best qualities of both parents in the offspring is by?

by Sunday | Sep 12 | Biology JAMB

A. cross-breeding B. inbreeding C. selective breeding D. pure breeding Correct Answer: Option A – cross-breeding

A certain savanna grasshopper changes colour from green during the rainy season to brown during the dry season and black after dry season bush fires. The reason for these colour changes is that the?

The pollutants that contribute to the depletion of the ozone layer in the atmosphere are?

by Sunday | Sep 12 | Biology JAMB

A. radioactive materials B. oxides of sulphur C. oxides of carbon D. chlorofluorocarbons Correct Answer: Option D – chlorofluorocarbons

A certain savanna grasshopper changes colour from green during the rainy season to brown during the dry season and black after dry season bush fires. The reason for these colour changes is that the?

A cross between an albino female and a genetically normal male will result in offspring that are?

by Sunday | Sep 12 | Biology JAMB

A. all albino B. all phenotypically normal C. all genetically normal D. half albino and half normal Correct Answer: Option B – all phenotypically normal

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