Jamb Biology Questions - Animalia
Question 226:
The butterfly is of great economic importance because
- A Of it's use in scientific studies
- B It sucks nectar from flowers
- C It adds to the beauty of the environment
- D It pollinates flowers of crops and other plants
View Answer & ExplanationQuestion 227:
The bright colours of the comb and feathers in the peacock are for?
- A Sex differentiation
- B Beauty
- C Courtship
- D Defence
View Answer & ExplanationQuestion 228:
I. Rattus rattus.
Il. Agama agama
III. Bufo regularis
IV. Tilapia zillii
The order of evolutionary advancement of the above vertebrates is?
- A I, II, III, IV
- B I, IV, III, II
- C II, III, IV, I
- D IV, III, II, I
View Answer & ExplanationQuestion 229:
The correct sequence for the perception of smell in mammals is?
- A Chemicals --> olfactory nerve endings --> brain
- B Dissolved chemicals --> nasal sensory cells --> brain
- C Chemicals --> mucus membrane sensory cells --> brain
- D Dissolved chemicals --> sensory cells --> olfactory nerve --> brain
View Answer & ExplanationQuestion 230:
When a marine fish was taken from the ocean and put in a tank of fresh water, it died after a short period because?
- A The tank was too small compared to the large-ocean
- B The body cells of the fish swelled and burst as a result of the hypotonic fresh water
- C The body cells of the fish shrank as their sap was hypertonic to the freshwater
- D There was no food in the tank, so the fish starved
View Answer & Explanation