UPSC  Biology

1. Stem is modified into cladode

Casuarina Asparagus Opuntia Euphorbia

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2. Verticillaster type of inflorescence is found in

Cotton Datura Lilium Ocimum

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3. A simple one seeded fruit in which pericarp is fused with seed coat is

Achene Caryopsis Cypsela Nut

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4. The portion of DNA which contains information for an entire polypeptide is called

Cistron Muton Recon Operon

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5. bicarpellary, syncarpous ovary with axile placentation is seen in

Solanaceae Caesalpinaceae Asteraceae Malvaceae

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6. Alburnum is also called

Autumn wood Heart wood Sap wood Spring wood

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7. The entry of pollen tube into the ovule through micropyle is called

Porogamy Mesogamy Anisogamy Chalazogamy

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8. Type of pollination in Commelina is

Chasmogamy Geitonogamy Xenogamy Cleistogamy

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9. The process of embryo formation without fertilization is known as

Apospory Apogamy Parthenocarpy Polyembryony

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10. Which of the process Cholodny-Went theory is concerned with

Photomorphogenesis Photoperiodism Phototropism Photorespiration

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