Which of these is unique to flowering plants?

A double fertilization
B an embryo surrounded by nutritive tissue
C haploid gametophytes
D pollen production

Correct Answer: double fertilization

In flowering plants one sperm nucleus fertilizes the egg and the other sperm nucleus fuses with two other nuclei found within the ovule, thus forming triploid endosperm.

 

Hence, double fertilization is unique to flowering plants.

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Related Questions

Mrs. Jansen recently moved to Arizona. She wants to fill her new backyard with flowering plants. Although she is an experienced gardener, she isn't very well-versed in what plants will do well in the Arizona climate. Also, there is a big tree in her backyard making for shady conditions and she isn't sure what plants will thrive without much direct sunlight. Her favorite gardening catalog offers several backyard seed packages. Which one should Mrs. Jansen choose?
A The Rainbow Collection is ideal for North-east gardens. It includes a variety of colorful perennials that thrive in cool, moist conditions.
B The Greenhouse Collection will blossom year after year if planted in brightly lit locations and watered regularly.
C The Treehouse Collection will provide lush green plants with delicate colorful flowers that thrive in shady and partially shady locations.
D The Oasis Collection includes a variety of perennials that thrive in dry climates and bright sunlight.
নিম্নের কোন সপুস্পক উদ্ভিদটিতে আর্কিগোনিয়াম পাওয়া যায়? (In which of the following flowering plants archegonium is present?)
A Artocarpus
B Hibiscus
C Cycas
D Ficus
Which plants die after flowering?
A Lotus
B Bamboo
C Chrysanthemum
D Butea
পুষ্পক উদ্ভিদের মূলে কোন ধরনের ভাস্কুলার বান্ডল থাকে? (Which type of vascular bundle is present in the root of flowering plants?)
A সংযুক্ত (Conjoint)
B সমপার্শ্বীয় (Collateral)
C অরীয় (Radial)
D কেন্দ্রিক (Concentric)
‘Diversity and classification of flowering plants’ বইটির লেখক কে?
A Armen Takhtajan
B Theophrastus
C George Bentham
In a majority of flowering plants, out of the four megaspores, what is the ratio of functional and degenerate megaspores?
A 2:2
B 1:3
C 3:1
D 4:0
A garden has to plant tress in rows containing equal number of trees. If he plants in rows of 6,8,10 or 12. then five tress are ledt unplated. But if he plants in rows of 13 tress each, then no tress is left. What is the number of tress that the gardener plants?
A 485
B 854
C 725
D 625
Which city is called 'The City of Flowering Trees'?
A Switzerland
B Venice
C Harare
D Paris
Which city 'The city of flowering trees.
A Harare
B Tokyo
C Paris
D Venice
কোনটির পরিবহন তন্ত্র আছে কিন্তু ফুল হয় না? (Which one has vascular system but not flowering?)
A থ্যালোফাইটা Thallophyta)
B ব্রায়োফাইটা (Bryophyta)
C টেরিডোফাইটা (Pteridophyta)
D স্পারমাটফাইটা (Spermatophyta)

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