Tag: families of angiosperms

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Questions Related to families of angiosperms

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

Which of the following is not correctly paired?

  1. Fabaceae- Legume family

  2. Liliaceae- Sunflower family

  3. Solanaceae- Potato family

  4. Brassicaceae- Mustard family
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

  • Liliaceae, also known as Lily family consists of species of an economically important family of flowering plants within the order Liliales. They are monocotyledonous, perennial, herbaceous and often bulbous geophytes.
  • Asteraceae, also known as Sunflower family is a very large and widespread family of flowering plants Most members of Asteraceae are annual or perennial herbs, but a significant number are also shrubs, vines, or trees. The family has a worldwide distribution, from the polar regions to the tropics, colonizing a wide variety of habitats.
So, the correct answer is 'Liliaceae-Sunflower family'.

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

Lightest wood is

  1. Hardwichia albino

  2. Ochromoa lagopus balsa

  3. Cereus giganteus

  4. Cycas
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Ochromoa is the genus of flowering plants and is commonly called balsa tree. Balsa wood is the lightweight material. These  trees are found in Brazil, Mexico and northern Bolivia.

Hence the answer is B.

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

Indian rose wood tree is common name of

  1. Acacia

  2. Shorea

  3. Dalbergia

  4. Eucalyptus
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
The answer is C - Dalbergia
North Indian rose wood tree is the common name of Dalbergia sissoo. It is hardy, deciduous and fast-growing tree found in the Indian subcontinent and in Southern Iran. It has white or pinkish flowers.  It is used in the timber industry, as fuel wood and as in some the extracts as used as a pesticide.
Multiple choice botany families of angiosperms family fabaceae eudicots family - fabaceae, sativum and solanaceae study of some important families

Vexillum is found in

  1. Rosaceae

  2. Papilionaceae

  3. Cruciferae

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

Fabaceae or Papilionaceae is a large and economically important family of flowering plants. Vexillary aestivation is seen in members of Fabaceae. In vexillary aestivation, the outermost posterior petal is large which is known as the vexillum or standard, two lateral petals are known as the wings or alae, and the two anterior and innermost petals are united to form a boat-shaped structure known as the keel or carina. Hence, vexillum is found in Papilionaceae.

So, the correct answer is 'Papilionaceae'.

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

Which is correct arrangement of corolla in family papilionaceae?

  1. $C _{1+(2)+2}$
  2. $C _{1+2+(2)}$
  3. $C _{1+2+2}$

  4. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Fabaceae or Papilionaceae is a large and economically important family of flowering plants. It includes trees, annual or perennial herbaceous plants and shrubs. In Papilionaceae, the petals are 5 - outermost posterior petal is large which is known as the vexillum or standard, two lateral petals are known as the wings or alae, and the two anterior and innermost petals are united to form a boat-shaped structure known as the keel or carina. Hence, the correct arrangement of the corolla is 1+2+(2).

So, the correct answer is 'B'.

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

The distinct features of fabaceae are

  1. Zygomorphic, diadelphous and monocarpellary

  2. Actinomorphic, monadelphous and monocarpellary

  3. Zygomorphic, monadelphous and pentacarpellary

  4. Zygomorphic, polyadephous and tricarpellary

  5. Zygomorphic, diadephous and bicarpellary
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Fabaceae or Leguminosae is a large and economically important family of flowering plants. In Fabaceae, the flowers are zygomorphic (radial symmetry), bisexual. The stamens are 10, diadelphous (stamens united by their filaments so as to form two groups). The gynoecium is monocarpellary, syncarpous, superior ovary.

So, the correct answer is 'Zygomorphic, diadelphous and monocarpellary'.

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

Among the following which one is the richest source of protein

  1. Soybean (Glycine max)

  2. Wheat

  3. Rice

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

Soybean is the richest in protein.  36-56% of the dried weight in soybean is protein in nature. Glycine and conglycine are the main proteins which make upto 80% of the total protein.

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

Arachis hypogea exhibits

  1. Epicarpy

  2. Apocarpy

  3. Geocarpy

  4. Syncarpy
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Members of the genus Arachis exhibit geocarpy. This is a rare form of plant reproduction which involves the plant to plant its own seeds. After fertilization, the flower stalk elongates and bends towards the ground. Geocarpic plants like peanuts increase the opportunity of their offspring to survive long enough to germinate and grow.

So the correct option is C.