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  • Question
  • The later (second) formed primary xylem elements are called _____________.


  • Options
  • A. Protoxylem
  • B. Metaxylem
  • C. Xylem parenchyma
  • D. Xylem fibres

  • Correct Answer
  • Metaxylem 

  • Tags: Bank Exams

    Biology problems


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    • 1. RBCs are formed in the ____________ in the adults.

    • Options
    • A. blue bone marrow
    • B. red bone marrow
    • C. white bone marrow
    • D. black bone marrow
    • Discuss
    • 2. In humans, the sound is produced by the ________.

    • Options
    • A. oesophagus
    • B. larynx
    • C. medulla
    • D. epiglottis
    • Discuss
    • 3. Nereis, Pheretima (Earthworm) and Hirudinaria (blood sucking leech) are examples of which Phylum?

    • Options
    • A. Coelenterata
    • B. Aschelminthes
    • C. Annelida
    • D. Arthropoda
    • Discuss
    • 4. The first formed primary xylem elements are called ___________.

    • Options
    • A. Metaxylem
    • B. Protoxylem
    • C. Xylem fibres
    • D. Xylem parenchyma
    • Discuss
    • 5. Potato, tomato and brinjal are three different species but all belong to which genus?

    • Options
    • A. Solanum
    • B. Panthera
    • C. Felis
    • D. Tigris
    • Discuss
    • 6. There are how many vocal cords in the human voice box?

    • Options
    • A. One
    • B. Two
    • C. Three
    • D. Four
    • Discuss
    • 7. The scientific name of human being is?

    • Options
    • A. Homo Nigrum
    • B. Melongena Sapiens
    • C. Homo Sapiens
    • D. Tigris Solanum
    • Discuss
    • 8. How many facial bones are there?

    • Options
    • A. 34
    • B. 24
    • C. 14
    • D. 4
    • Discuss
    • 9. Insects that transmit diseases are known as

    • Options
    • A. Pathogens
    • B. Vectors
    • C. Drones
    • D. Scalars
    • Discuss
    • 10. The somatosensory receptors in human beings detect ______.

    • Options
    • A. taste
    • B. smell
    • C. touch
    • D. hear
    • Discuss


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