BOP CHAPTER 18 TEST QUESTIONS AND ANSWERS ALL CORRECT 2024/2025 LATEST UPDATED
2 views 0 purchase
Course
BOP
Institution
BOP
BOP CHAPTER 18 TEST QUESTIONS AND ANSWERS ALL CORRECT 2024/2025 LATEST UPDATED
The daughter cells produced by a microsporocyte are:
a. microspore mother cells.
b. microspores.
c. pollen grains.
d. prothallial cells.
e. generative cells. - Answer- B
In pines, the immature male gametophy...
BOP CHAPTER 18 TEST QUESTIONS
AND ANSWERS ALL CORRECT
2024/2025 LATEST UPDATED
The daughter cells produced by a microsporocyte are:
a. microspore mother cells.
b. microspores.
c. pollen grains.
d. prothallial cells.
e. generative cells. - Answer- B
In pines, the immature male gametophyte consists of:
a. two prothallial cells, one generative cell, and one tube cell.
b. one prothallial cell, two generative cells, and one tube cell.
c. one prothallial cell, one generative cell, and two tube cells.
d. two prothallial cells, two generative cells, and one tube cell.
e. one prothallial cell, one generative cell, and one tube cell. - Answer- A
The seed-scale complex of an ovulate cone consists of:
a. a megasporophyll and two ovules.
b. a megasporophyll and one bract.
c. an ovuliferous scale and two ovules.
d. two ovules and two bracts.
e. an ovuliferous scale, two ovules, and one bract. - Answer- E
In pines, a megaspore mother cell divides to give rise to four ______, of which ______
disintegrate(s).
a. megaspores; one
b. megaspores; two
c. megaspores; three
d. megasporocytes; two
e. megasporocytes; three - Answer- C
In the pine life cycle, a pollen grain germinates shortly after it:
, a. enters the pollen tube.
b. undergoes meiosis.
c. forms microspores.
d. comes in contact with the nucellus.
e. comes in contact with an archegonium. - Answer- D
In pines, the generative cell of the male gametophyte divides to produce:
a. two sperm cells.
b. one sterile cell and one spermatogenous cell.
c. one sterile cell and one sperm cell.
d. two spermatogenous cells.
e. two sterile cells. - Answer- B
In pines, the mature male gametophyte consists of:
a. one tube cell and one generative cell.
b. one tube cell, one sterile cell, and one spermatogenous cell.
c. two prothallial cells, one tube cell, and one generative cell.
d. two prothallial cells, one tube cell, one sterile cell, and one spermatogenous cell.
e. two prothallial cells, one tube cell, one sterile cell, and two sperm. - Answer- E
Which of the following statements about the embryogeny of pine is FALSE?
a. Three types of polyembryony occur in most species.
b. Four tiers of embryonic cells form at the lower end of the archegonium.
c. Suspensor cells force the embryos through the wall of the archegonium.
d. An embryo begins to develop from each of the four cells farthest from the micropyle.
e. The integument develops into a seed coat. - Answer- A
In a conifer seed, the three different generations are represented by the:
a. integument, nucellus, and egg.
b. seed coat, embryo, and food supply.
c. seed coat, archegonium, and food supply.
d. integument, ovule, and embryo.
e. integument, megasporangium, and archegonium - Answer- B
Which of the following statements about pine seeds is FALSE?
a. They are often shed from the cones during the first year following pollination.
b. They are often dispersed by the wind.
c. Some are dispersed only after the cones are scorched by fire.
d. Some are dispersed by birds.
e. Some are winged. - Answer- A
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Scholarsstudyguide. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
