Jamb Biology Questions - Sexual reproduction in flowering plants
Question 6:
The figure above is a section of a drupe. The part numbered 2 is
- A Epicarp
- B Endocarp
- C Mesocarp
- D Seed
- E Pericarp
View Answer & ExplanationQuestion 7:
The filament of spirogyra were put into equal volumes of sugar solutions X and Y. After 5 minutes, filaments from solution X had their cells contents rounded up while those from Y were unaffected. The experiment shows that
- A Solution X was stronger than Y
- B Solution Y was stronger than X
- C Spirogyra used up the sugar in solution X
- D Solution X is good for stimulating sexual reproduction in Spirogyra
- E Solution Y was less contaminated than X
View Answer & ExplanationQuestion 8:
Why is the part labelled 5 thicker than 6?
- A 5 is the left ventricle and 6 the right ventricle
- B 6 is the left ventricle and 5 the right ventricle
- C 5 receives blood from the left auricle and 6 from the right
- D 5 pumps blood round the body and 6 pumps blood into the lungs
- E 5 deals with oxygenated blood and 6 deals with deoxygenated blood
View Answer & ExplanationQuestion 9:
The testa
- A Is normally absent
- B Is included in the part numbered (1)
- C Is fused in the part numbered (3)
- D Is the part numbered (1)
- E Surrounds the part numbered (4) and (5)
View Answer & ExplanationQuestion 10:
The correct figure sequence for the following labeled parts (stigma, ovary wall, embryo sac, integument and micropyle) is
- A 12453
- B 24135
- C 21435
- D 14325
- E 31425
View Answer & Explanation