Plant Kingdom Test MCQs For NUST, MCAT, NTS
Plant Kingdom Test MCQs: Kingdom plantae consist of vast quantity and a large variety of species, different types, forms, and different types of organisms. Many of them are autotrophs, those who can prepare their own food. the plants play great and crucial role in environment and survival of mankind and other living beings. Even in deep waters. Because of the production of oxygen, which is the main component of human and animal body for survival.
Plant Kingdom Test MCQs
While enlisting the different breeds of plants, their are important MCQs for Entry Test Preparation of NUST, MCAT, NTS and different other universities. Students can prepare their exams by studying the important questions.
IMPORTANCE OF FAMILY SOLANANCEAE
This family has about 90 genera and 2000 species. It is worldwide in distribution. Nasir (1985) has reported 14 genera and 52 species in Pakistan.
Solanum tuberosum (Potato), Nicotiana tabacum (Tobacco), Lycopersicum esculentum (Tomato), Capsicum frutescens (Red pepper).
Members of this family provide drugs, and food, some are weedy, some are poisonous, and others are ornamentals.
The most important plant in the family is Solanum tuberosum (Potato-white or Irish Potato). In Ireland people are completely dependent on Potatoes.
Lycopersicum esculentum (tomato) is a favorite home garden vegetable. It was once believed to be poisonous.
Solanum melangena (egg plant or brinjal) is also used as food.
The fruit of Capsicum annum and Capsicum frutenscens which are rich in vitamin C and A, are used as condiment.
Physalis (Ground-Cherry) produces an edible fruit enclosed in a bladder like persistent calyx (the husk). Therefore it is called the husk tomato.
The leaves of Nicotiana tabacum are dried to form tobacco which is used in making cigarettes.
Many members produce powerful alkaloids. For example Atropa belladonna produces atropine while Datura produces daturine.
Many plants are cultivated in the gardens for their beautiful flowers. For example Petunia, Nicotiana, Cestrum and Solanum etc.
IMPORTANCE OF CAESALPINIACEAE (CASSIA FAMILY)
This family has about 152 genera and 2300 species. There are 16 genera and 60 species in Pakistan.
Tamarindus indica, Cassia fistula, Bauhinia verigata.
The family is of great importance. Some plants are ornamental, some are medicinal, a few have food and other values.
The leaves of Cassia alata are used to cure ringworm and skin diseases.
Cassia senna and C. obovata are cultivated for the leaves which produce the drug Senna. It is the base for a laxative.
Oil extracted from the seeds of Cynometera cauliflora is used externally for skin diseases.
Bauhinia variegate (Kachnar), Cassia fistula (Amaltas), Parkinsonia etc.
The leaves and flower buds of Bauhinia variegata (kachnar) are used as vegetable.
The acidic fruit of Tamarindus indica are edible and are rich in tartaric acid.
The barks of Bauhinia and Tamarindus indica are used in tanning.
The heartwood of Haematoxylon (Longwood) yield the dye Haematoxylin.
IMPORTANCE OF FAMILY POACEAE (GRAMINEAE) GRASS FAMILY
Triticum vulgare (Wheat), Zea mays (Corn), Avena sativa (Oats), Oryza sativa (Rice), Bambusa (Bamboo), Saccharam officinarum (Sugar Cane) etc are familiar plants.
It has greater importance than any other family of flowering plants.
Cereals and millets are main source of food for man. Food providing plants include: Triticum sp. (wheat), Avena sativa (Oats), Zea mays (Corn, Maize), Oryza sativa (Rice), Hordeum vulgare (Barley), Secale cereale (Rye), Penisetum typhoideum; Sorghum vulgare etc.
Most of the fodder crops, which are equally important to domestic animals, also belong to this family. The dried stem and leaves of the cereal crops are used as fodder for the cattle.
Sugar is obtained from the juice of Saccharum officinarum (Sugar Cane).
Many grasses are used in the lawns (e.g., Agrostis, Poa, Festuca etc).
Bambusa (Bamboo) are used as building material for making huts, boats, carts, pipes etc. Its split stem are used to make mats, baskets, fans, hats, course umbrella etc. Young bamboos are used as food.
Leaves of bamboos are given to horses as a cure of cough and cold etc.
Certain grasses yield aromatic oils, e.g. Cymbopogon citratus (lemon grass) which yield lemon grass oil is used in perfumes and soap industry and for making infusions.
Some species of the grasses are used in making papers.
Ethyl alcohol and many other kind of beverages are also prepared from cereals. For example whisky from Rye, barley and corn. Similarly rum from sugar cane molasses.
Fibers obtained from the leaves of Saccharum munja are used in making ropes.