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Question

The plant which opens during nights and closes in daytime is

A
Night queen
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B
Touch-me-not
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C
Vallisneria
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D
Jasmine
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Solution

The correct option is A Night queen
The plant which opens during nights and closes in daytime is night queen. It is called as raat ki rani in India. It is an evergreen woody shrub growing to 4 metres (13 ft) tall. The leaves are simple, narrow lanceolate, 6–20 centimetres (2.4–7.9 in) long and 2–4.5 centimetres (0.79–1.77 in) broad, smooth and glossy, with an entire margin.
The flowers are greenish-white, with a slender tubular corolla 2–2.5 centimetres (0.79–0.98 in) long with five acute lobes, 10–13 millimetres (0.39–0.51 in) diameter when open at night, and are produced in cymose inflorescences. A powerful, sweet perfume is released at night.
The fruit is a berry 10 millimetres (0.39 in) long by 5 millimetres (0.20 in) diameter, the colour of an aubergine. There is also a variety with yellowish flowers.
Night-blooming jasmine blooms when the weather is warm, and its narrow, tubular, greenish-white blossoms only open at night. The flowers produce a strong, sweet fragrance that attracts moths and butterflies. Glossy white berries follow the flowers. It works well as a specimen plant or as a border shrub, or as a fragrant addition to a butterfly garden.
Touch-me-not is a creeping annual or perennial herb of the pea family.
Vallisneria is a genus of freshwater aquatic plant, commonly called eelgrass, tape grass or vallis.
Therefore, the correct answer is option A.

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