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
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
1. Pick a plant genus from below that has the most bizarre sporophyte in having two...
1.All members of the plant kingdom have ______. Pick all applicable answers. At least two answers must be correct for a partial credit. Group of answer choices the male and female gametes presence of sori multicellular embryo both gametophytic and sporophytic generation haploid spores at some point in life cycle 2. Pick any two most relevant answers for this image. Both answers must be correct. Group of answer choices It is placed in Liliopsida Stamens are absent It belongs to...
1. Which of the following is / are NOT associated with conifers? Pick any two that apply for credit. Group of answer choices xylem vessel elements presence of an ovary wall hypodermis resin canals photosynthetic parts 2. In the life cycle of a typical conifer ______. Choose any two applicable answers. Both must be correct for credit. Group of answer choices sporophyte is dependent and short-lived gametophyte is the dominant generation one kind of spore is produced seeds are produced...
1. Match the terminology from the left to the most appropriate statement or description. Group of answer choices Fruits that develop without pollination of the ovules Canals filled with resin Secondary xylem of Pine tree Fruits that develop without fertilization of the ovules Layers of thickened cells in a pine needle Also known as transfusion tissue Parthenocarpy Hypodermis Softwood 2. Which of the...
1. A flower of a squash contains sepals, petals, pistils and no stamens. Pick any two terminologies that would describe this flower. Group of answer choices Bisexual Irregular Complete Unisexual Incomplete 2. Match each step in the development of a female gametophyte of an angiosperm to the changes that occur. Group of answer choices: Megaspore mothercell undergoes mitosis Megaspore divides by mitosis three times Megaspore mother cell undergoes meiosis Nuclei rearrange inside a 7-celled...
1. In this question, assume that the life cycle of a flowering plant begins with the germination of a seed and ends with the development of a fruit. Two events that occur in the life cycle are formation of a pollen tube and pollination. What would be the sequence in which they occur? Group of answer choices Both events occur more or less simultaneously. Formation of a pollen tube precedes pollination. pollination precedes the formation of a pollen tube 2....
1. Label the microphylls and strobili in the Figure 1 below. Figure 1. Lycopodium sp. Examine the prepared slide of a mature Lycopodium strobilus. (See text Figure 17-16, pages 406 and 407.) Note that Lycopodium, like most species in the Lycopodiaceae, is homosperous and only produces one type of spore 2. Label the spores in Figure 2 below. Figure 2. Lycopodium strobilus 1.s. 3. Given that Lycopodium is homosporaus, would you expect its gametophytes to be unisexual or bisexual? Explain...