Tag: eudicots family - fabaceae, sativum and solanaceae

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Multiple choice botany families of angiosperms family fabaceae eudicots family - fabaceae, sativum and solanaceae study of some important families

Which of the following family has plants with nodulated roots?

  1. Fabaceae

  2. Solanaceae

  3. Liliaceae

  4. All of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Plants that are in a symbiotic relationship with certain bacteria present in roots to carry out nitrogen fixation have nodules in their roots where bacteria are localized. This is the special adaptation found in pulses which belongs to the family Fabaceae to fulfill their nitrogen requirements.

So the correct option is 'Fabaceae'

Multiple choice botany families of angiosperms family fabaceae eudicots family - fabaceae, sativum and solanaceae study of some important families

Wood of Aschynomene is

  1. Lighter like cork

  2. Lighter than cork

  3. Heavier like iron wood

  4. Heavier than iron wood
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Aschynomene is a genus belonging to the family Fabaceae. The used part of Aschynomene is the wood of the stem (often mistaken as pith). The woods of Aschynomene species is one of the lightest woods in the world. The wood feels like a piece of thermacol or even lighter than the cork. The wood is bright-white to off-white in colour.

So, the correct answer is 'Lighter than cork'.

Multiple choice botany families of angiosperms family fabaceae eudicots family - fabaceae, sativum and solanaceae study of some important families

Soyabean is

  1. <p>Vicia faba</p>

  2. <p>Cicer arietinum</p>

  3. <p>Glycine max</p>

  4. <p>Cajanus cajan</p>
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Glycine max commonly known as soyabean or soybean is a species of legume native to East Asia, widely grown for its edible bean which has numerous uses. Soyabean meal is a significant and cheap source of proteins for animal feeds and many packaged meals.

So, the correct answer is 'Glycine max'.

Multiple choice botany families of angiosperms family fabaceae eudicots family - fabaceae, sativum and solanaceae study of some important families

Corolla is papilionaceous in

  1. Fabaceae

  2. Asteraceae

  3. Poaceae

  4. Solanaceae
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Corolla is the second axillary whorl composed of petals. Like calyx, corolla also protects essential stamens and carpels within. Papilionaceous corolla has five free petals resembling a butterfly. The posterior superior petal is larger than the others (vexillum or standard), two anterior inferior petals which are usually more or less united forming a boat-shaped structure (carina or keel), two lateral petals called wings which overlap the carina and are themselves overlapped with the vexillum. This is a characteristic of subfamily Papilionaceae (eg: pea flower) belonging to family Fabaceae.

So, the correct answer is 'Fabaceae'.