Question

1. Pick a plant genus from below that has the most bizarre sporophyte in having two strap-like leaves.

Group of answer choices

Gnetum

Ginkgo

Cycas

Welwitschia

Psilotum

2. Which of the following does not possess vascular tissue?

Group of answer choices

Club moss

Equisetum

Spike moss

True moss

Ferns

3. The primary source of paper in the United States is the wood pulp of:

Group of answer choices

Magnolia and other dicots

Tree ferns

Pine and other conifers

Ferns and related Seedless vascular plants

3. Pollination in flowering plants ____. Choose any two applicable answers. Both must be correct for credit.

Group of answer choices

refers to the transfer of pollen from anther to stigma.

does not guarantee fertilization

involves the fusion of egg and sperm.

involves the division of a tube nucleus, forming two sperms.

is the transfer of pollen to the pollen chamber

4. The unique products of double fertilization in angiosperms are ________.

Group of answer choices

a seed with a diploid embryo and a triploid endosperm

the seeds with a layer of integuments

a fruit without seeds

polar nuclei within a central cell

a seed with the food reserve stored in the nucellus.

Among the included phyla of the plant kingdom, the advanced plant groups are known for ________.

5. Pick any two most relevant answers for full credit.

Group of answer choices

having a cuticle

having independent gametophytes

having non- flagellated sperms

having both xylem and phloem

having dependent gametophytes

Answer 1

QUESTION 1

In this case, the welwitschia is a genus which is composed by only one specie called W. mirabilis. It is mainly located in deserts of Africa and posses two strap-like leaves which are able to grow continuously. The correct answer is Welwitschia