Multiple Choice Questions

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Ginger is the modification of

  • root

  • leaf

  • stem

  • fruit


C.

stem

Ginger is an underground stem. It has nodes, internodes and the axillary bud. It gets modified to store food. As it remains buried underground in soil, it also saves a plant from adverse climatic conditions. Thus, it is also a perennating structure and forms a new plant, when favourable conditions set in.


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Which of the following is not a micronutrient?

  • Sodium

  • Copper

  • Silicon

  • Calcium


The element, essential for synthesis of protein in plants, is

  • copper

  • nitrogen

  • magnesium

  • iron


Plant which reproduces by means of spores instead of seeds is

  • coriander

  • fern

  • mustard

  • petunia


Which one of the following is not a source of energy?

  • Protein

  • Fat

  • Vitamin

  • Carbohydrate


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True fruits develop from

  • thalamus

  • petal

  • ovary

  • sepal


The coding segment of DNA is called

  • muton

  • intron

  • codon

  • exon


Which one of the following is not a non-communicable disease?

  • Hypertension

  • Arthritis

  • Rickets

  • Cholera


Penicillin antibiotic is obtained from

  • fungi

  • algae

  • bacteria

  • blue-green algae


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Which one of the following is not a natural fibre?

  • Silk

  • Acrylic

  • Cotton

  • Jute