Question
The diagram shows a flower.
In which structure do seeds develop?
Answer/Explanation
Ans
B
Question
A wind-pollinated plant has which features?
A large anthers, coloured petals and produces nectar
B large petals, small anthers and a sticky stigma
C small petals, large anthers and a feathery stigma
D small petals, produces nectar and has a strong scent
Answer/Explanation
Ans
C
Question
Which two statements are correct for the process of cross-pollination in plants?
1 increases potential for variation in offspring
2 pollen is transferred to a different flower on the same plant
3 reduces potential to respond to environmental change
4 pollen is transferred to a flower on a different plant of the same species
A 1 and 2 B 1 and 4 C 2 and 3 D 3 and 4
Answer/Explanation
Ans: B
Question
Which description of cross-pollination is correct?
A the transfer of pollen grains from the anther of one plant to the stigma on a different plant
B the transfer of pollen grains from the anther to the stigma on the same plant
C the transfer of pollen grains from the stigma of one plant to the anther on a different plant
D the transfer of pollen grains from the stigma to the anther on the same plant
Answer/Explanation
Ans: A