Multiple Choice
The structure at the tip of a stamen that contains pollen sacs is called the ____.
A) filament
B) carpel
C) anther
D) receptacle
E) stigma
Correct Answer:

Verified
Correct Answer:
Verified
Q14: Phytochrome is the pigment responsible for _.<br>A)thigmotropism<br>B)phototropism<br>C)gravitropism<br>D)photoperiodism<br>E)heliotropism
Q15: Most of an apple fruit is derived
Q16: What plant hormone has a central role
Q17: On a hot, dry day a plant
Q18: Match the plant hormone with its description.
Q20: In a eudicot seed, which structure emerges
Q21: Gibberellin induces _.<br>A)plants to bend toward the
Q22: What is the principal substance that mediates
Q23: In a phototropism, auxin moves to the
Q24: The corolla is made up of _.<br>A)sepals<br>B)petals<br>C)carpels<br>D)stamens<br>E)anthers