Anatomy of Flowering Plants

Q1.The outermost covering of the entire plant body is formed by which tissue system?

• AGround tissue system
• BVascular tissue system
• CEpidermal tissue system
• DMeristematic tissue system

Q2.If a plant lacks the ability to undergo secondary growth, its vascular bundles are most likely:

• AOpen
• BClosed
• CRadial
• DBicollateral

Q3.The waxy thick layer present on the outside of the epidermis that prevents water loss is called:

• ASuberin
• BCuticle
• CLignin
• DPectin

Q4.The spongy parenchyma in a dorsiventral leaf is characterised by:

• AElongated cells arranged vertically
• BOval or round cells with large air spaces between them
• CBarrel-shaped cells without intercellular spaces
• DThick-walled cells with lignin deposits

Q5.Why are vascular bundles in roots described as radial while those in stems are described as conjoint?

• AIn roots, xylem and phloem are on the same radius; in stems, they alternate
• BIn roots, xylem and phloem alternate along different radii; in stems, they are on the same radius
• CRoots have only xylem while stems have both xylem and phloem
• DThere is no real difference; the terms are interchangeable