CBSE Questions for Class 11 Medical Biology Morphology Of Flowering Plants Quiz 1 - MCQExams.com

• The Fabaceae or Leguminosae, commonly known as the legume, pea, or bean family, are a large and economically important family of flowering plants. It includes trees, shrubs, and perennial or annual herbaceous plants.
• The green gram is a small, round olive green bean with a sweet flavour and soft texture belonging to family Leguminosae
  
• Saraca indica, commonly known as Asoka-tree, Ashok or simply Asoca, is a plant belonging to the family Leguminosae.
  
• Paddy also called rice paddy which belongs to the family Gramineae (grass family).
  
• Tamarind (Tamarindus indica) is a leguminous tree which belongs to the family Fabaceae or Leguminosae bearing edible fruit that is indigenous to tropical Africa.
  
• So, the correct answer is 'Paddy'

• Groundnut produces lomentum fruits which s a type of indehiscent legume fruit that breaks apart at constrictions occurring between segments so that each segment contains one seed. It is a type of schizocarp. 

• So, the correct answer is 'Fruit'

• A stem is one of the two main structural axes of a vascular plant, the other being root. 
• The primary function of the stem is to bear nodes that hold one or more leaves, as well as buds that can grow into branches bearing leaves that get exposed to sunlight and helps the leaves perform photosynthesis.

Liquorice is the root of Glycyrrhiza glabra from which sweet flavour can be extracted. The liquorice plant is a herbaceous, perennial legume native to southern Europe and parts of Asia such as India. Liquorice root extracts are used in herbal and traditional medicine. It is used as an expectorant (promotes the secretion of sputum from air passages) in the treatment of coughs. So, the correct answer is 'Root'.

• The roots give out fine hair-like outgrowths called the root hairs that absorb water and minerals

• Avicennia is a mangrove flowering tree that suffers from a lack of oxygen because it commonly grows in saline marshes and water is logged here. 
• Roots of such plants become negatively geotropic with minute pores called pneumathodes towards the upper end and are called breathing roots or pneumatophores that help the adequate supply of oxygen to the plant. 

• A saw is a tool consisting of a tough blade, wire, or chain with a hard toothed edge. The saw is used to cut stems from the plants.
• Mortar and pestle is a set of two simple tools used since the stone age to prepare ingredients or substances by crushing and grinding them into a fine paste or powder in the kitchen, laboratory, and pharmacy.
  
• Thus, option D is correct.

• The gynoecium is the female reproductive organ present in a flower.
• The unit of gynoecium is pistil or carpel. 
• The carpel is differentiated into three distinct regions -  (1) stigma (2)style (3) ovary.
• In some species, stigma is feathery, which is known as plumose stigma, e.g., in grasses.

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