The double fertilization event unique to angiosperms results in the formation of:
A diploid zygote and a triploid endosperm
Two diploid zygotes
A haploid zygote and a diploid endosperm
Two haploid zygotes
Related Questions
Which of the following is an example of an invertebrate animal?
Fish
Butterfly
Lizard
Bird
Which of the given statement best describes the gametophytic in the alternation of generation life cycle?
Generation that produces the gametes
Generation that produces the spores
Generation that has xylem and phloem
The diploid generation
The heterosporous nature of Selaginella is considered an evolutionary advancement because it:
Leads to the development of seeds
Increases the number of spores produced
Allows for asexual reproduction
Simplifies the gametophyte generation
Insectivorous plants are principally
Autotrophic
Heterotrophic
Parasitic
Pathogenic
In Phycomycetes, asexual reproduction takes place by zoospores or by aplanospores. Regarding these spores, consider the following statements and choose the correct option I. Zoospores are motile and aplanospores are non-motile in nature II. These spores are endogenously produced in sporangium Which of the statements are true and false?
I is true, but II is false
I is false, but II is true
I and II are true
I and II are false
Kingdom-Animalia includes
Heterotrophic organisms
Eukaryotic organisms
Multicellular organism
All of these
Which is not a characteristic of plant cell walls?
Found only in the sporophyte phase of life cycle
Among other compounds contains compounds built of simple sugars
May contain enzymes that are biologically active
Often contain strengthening polymers
Which of these best describes the sporophytic generation in plant’s life cycle?
The haploid generation
Generation that produces the gametes
Generation that produces spores
Generation that has xylem and phloem
Which of the following is NOT a characteristic of the members of the phylum Chordata?
Open circulatory system
Notochord
Dorsal hollow nerve cord
Pharyngeal gill slits
Cellulose is the major component of cell wall of
Pythium
Xanthomonas
Pseudomonas
Saccharomyces
