Question 1 Not yet answered Marked out of 0.1 P Flag question The four basic par

Question

Question 1 Not yet answered Marked out of 0.1 P Flag question The four basic parts of a flower are? Select one a. Sepals, petals, stamen, carpels b. sepals, petals, tepals, carpels c. leaves, shoots, wood, flowers . stigma, style, carpels, petals Question 2 Not yet answered Marked out of 0.1 P Flag question Which best describes bryophytes Select one: a. vascular plants with a dominant sporophyte b. non-vascular plants with a dominant sporophyte c. vascular plants with dominant gametophyte d.non-vascular plants with a dominant gametophyte Question 3 Not yet answered Marked out of 0.1 P Flag question Grevillea spp. belong to the family Select one: a. Epacridaceae b. Magnoliaceae . Myrtaceae d. Proteaceae 10

Explanation / Answer

1. a. Sepals, petals, stamen, capels

Sepals are the outer green leaf-like structures.

petals are the colorful structures that mainly attract insects for pollination

Stamen is the male reproductive part consisting of anther and filament

The carpel is the female reproductive part consisting of Style, stigma and ovary.

option c is incorrect as the question asks for parts of a flower.

option B is incorrect as tepals occur in flowers where sepals and petals cant be distinguished properly.

option D is incorrect as style and stigma are included in the carpel.

2. Bryophytes are non-vascular plants. They do not have xylem like elements. They spend most of the life as haploid organisms and the gametes formed by mitosis after fertilization form a sporophyte. This diploid sporophyte then undergoes meiosis and another gametophyte organism is formed.

Therefore the dominant life is a gametophyte. The correct answer is, therefore (d)

3. the correct answer is (d) Proteaceae. It is s hrub which is endemic to Australia.

Related Questions

Navigate

• Browse (All)
• Browse Q
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.