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Class 11 Biology MCQ Chapter 5 Morphology of Flowering Plants
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Morphology of Flowering Plants
Chapter – 5
| UNIT – (II) STRUCTURAL ORGANISATION IN PLANTS AND ANIMALS |
| MCQ |
1. The main function of the root in a flowering plant is to:
(a) Absorb water.
(b) Synthesize food.
(c) Carry out reproduction.
(d) Provide support.
Ans: (a) Absorb water.
2. Which part of the plant is responsible for the process of photosynthesis?
(a) Root.
(b) Stem.
(c) Leaf.
(d) Flower.
Ans: (c) Leaf.
3. The male reproductive organ of a flower is called:
(a) Pistil.
(b) Stigma.
(c) Stamen.
(d) Style.
Ans: (c) Stamen.
4. Which of the following is a modified stem?
(a) Tuber.
(b) Leaf.
(c) Root.
(d) Flower.
Ans: (a) Tuber.
5. The part of the flower that attracts pollinators is:
(a) Sepal.
(b) Petal.
(c) Stigma.
(d) Anther.
Ans: (b) Petal.
6. In a dicot plant, the number of seed leaves (cotyledons) is:
(a) One.
(b) Two.
(c) Three.
(d) Four.
Ans: (b) Two.
7. The part of the flower that develops into the fruit is:
(a) Stigma.
(b) Ovule.
(c) Style.
(d) Ovary.
Ans: (d) Ovary.
8. Which of the following is not a type of inflorescence?
(a) Racemose.
(b) Cymose.
(c) Unicellular.
(d) Compound.
Ans: (c) Unicellular.
9. Which structure helps in the transport of water in plants?
(a) Phloem.
(b) Xylem.
(c) Stomata.
(d) Chloroplast.
Ans: (b) Xylem.
10. The root modification found in mangrove plants is:
(a) Taproot.
(b) Prop root.
(c) Pneumatophores.
(d) Adventitious root.
Ans: (c) Pneumatophores.
11. In the majority of the dicotyledonous plants, the direct elongation of the radicle leads to the formation of:
(a) Primary root.
(b) Secondary root.
(c) Tertiary root.
(d) None of the above.
Ans: (a) Primary root.
12. The cells of this region are very small, thin-walled and with dense protoplasm. They divide repeatedly.
(a) Region of meristematic.
(b) Region of elongation.
(c) Root cap.
(d) Region of maturation.
Ans: (a) Region of meristematic.
13. Which one is the green expanded part of the leaf with veins and veinlets.
(a) Lamina.
(b) Leaf blade.
(c) None of the above.
(d) Both and b.
Ans: (d) Both and b.
14. The pattern of arrangement of leaves on the stem or branch.
(a) Venation.
(b) Inflorescence.
(c) Phyllotaxy.
(d) None of the above.
Ans: (c) Phyllotaxy.
15. Actinomorphic is the term used for flowers with
(a) Bilateral symmetry.
(b) Radial symmetry.
(c) Irregular.
(d) Oval.
Ans: (b) Radial symmetry.
