1) In many tree species, the wood and annual rings are actually layers of ______
ID: 204438 • Letter: 1
Question
1) In many tree species, the wood and annual rings are actually layers of __________ grown by the vascular cambium
A) xylem
B) bark
C) cuticle
D) endoderm
2) The mutualistic associations, or symbiotic relationship, between plant roots and fungi are called ____________.
A) mycorrhizae
B) endosymbiosis
C) lichens
D) hyphae
3) Which statement about seeds is incorrect?
A) Seeds allow for increased dispersal as they can be carried by wind and animals.
B) Seeds allow plants to postpone development and avoid unfavorable conditions such as drought.
C) Seeds provide nourishment for the plant during a critical growth phase.
D) All statements are correct.
4) The _________ uses translocation to transport the carbohydrates produced during photosynthesis throughout the plant.
A) cotyledon
B) xylem
C) stomata
D) phloem
5) Plant leaves have specialized pores which allow for gas exchange and control the loss of water. These pores are called ____________
A) cuticles
B) vascular tissue
C) pollen
D) stomata
6 ) Before plants evolved pollen and seeds, they all required ________ for the fertlization of their gametes.
A) wind
B) insects
C) animals
D) water
Explanation / Answer
Answer:
1). A) xylem
Explanation:
Differential growth levels in xylem due to difference in seasons in a year occurs. This differential growth levels appear as rings, which are called as annual rings.
2). A) mycorrhizae
A symbiotic relationship between fungi and higher plants roots is called mycorrhizae.
3). A) Seeds allow for increased dispersal as they can be carried by wind and animals.
4). D) phloem
Explanation: Xylem conducts water whereas phloem conducts carbohydrates.
5). D) stomata
Explanation:
Stoma (stomata-plural) is a pore that present in aerial parts of the plant body especially leaf. It helps in diffusion of O2, CO2 and also transpirtion of water
6). D) water
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