16. | An internal factor that influences growth in plants is |
a. | hormones |
b. | water |
c. | nutrition |
d. | all of the above |
View Answer Report Discuss 50-50! |
Answer: (d).all of the above
|
17. | Synthesis of cytoplasm and cell wall material takes place during |
a. | maturation |
b. | cell division |
c. | elongation |
d. | differentiation |
View Answer Report Discuss 50-50! |
Answer: (b).cell division
|
18. | Acetabularia is a kind of |
a. | fungi |
b. | protist |
c. | multicellular alga |
d. | unicellular alga |
View Answer Report Discuss 50-50! |
Answer: (d).unicellular alga
|
19. | Phenomena that some cells evoke a specific developmental response in other cells is |
a. | embryonic influence |
b. | embryonic induction |
c. | embryonic stimulation |
d. | embryonic dominance |
View Answer Report Discuss 50-50! |
Answer: (b).embryonic induction
|
20. | Notochord is one of few prominent structural features in chick embryo of about |
a. | 15 hours |
b. | 18 hours |
c. | 13 hours |
d. | 10 hours |
View Answer Report Discuss 50-50! |
Answer: (b).18 hours
|