In the pine, microsporangia form _____ microspores by _____.
a) diploid ... mitosis
b) haploid ... meiosis
c) diploid ... meiosis
d) haploid ... mitosis
e) triploid ... fertilization
Ans: b) haploid ... meiosis
You might also like to view...
Which of the following is most likely to be the source of most of the oxygen in the atmosphere?
A) weathering of rocks B) UV radiation C) photosynthesis D) macroevolution
Which hypothalamic hormone contributes to the regulation of the male reproductive system?:
a. luteinizing hormone b. gonadotropin-releasing hormone c. follicle-stimulating hormone d. androgens
In which of the following respects is measles similar to German measles (rubella)?
A) They have a similar type of rash. B) They are caused by the same virus. C) Encephalitis is a possible complication. D) Congenital complications may occur. E) They can be controlled by vaccination.
The cytoplasmic membranes of ________ contain unbranched phospholipids and proteins.
A. archaeal cells B. bacterial cells C. eukaryotic cells D. both bacterial and eukaryotic cells E. archaeal, bacterial, and eukaryotic cells