logo

CuriousTab

CuriousTab

Discussion

Home ‣ General Knowledge ‣ Biology Comments
  • Question

  • Monocot root differs from dicot root in having


  • Options
  • A. open vascular bundles
  • B. scattered vascular bundles
  • C. well developed pith
  • D. radially arranged vascular bundles

  • Correct Answer
  • well developed pith 

    • Biology problems

    Search Results

    • 1. Nitrogen is fixed in ecosystems in ways stated below. Which one of the statements below is false?

    • Options
    • A. By cyanobacteria
    • B. By electrical discharges in the atmosphere
    • C. By industrially synthesised fertilizer
    • D. By denitrification
      • Discuss
    • 2. Plants absorb most part of water needed by them through their

    • Options
    • A. embryonic zone
    • B. growing point
    • C. root hairs
    • D. zone of elongation
      • Discuss
    • 3. Other than spreading malaria, anopheles mosquitoes are also vectors of

    • Options
    • A. dengue fever
    • B. filariasis
    • C. encephalitis
    • D. yellow fever
      • Discuss
    • 4. Plant bends towards the source of light on account of the movement of curvature known as

    • Options
    • A. geotropism
    • B. thigmotropism
    • C. chemotropism
    • D. phototropism
      • Discuss
    • 5. Most of the red, blue and purple colours of plants are due to a pigment called

    • Options
    • A. anthocyanin
    • B. carotene
    • C. chlorophyll
    • D. xanthophylls
      • Discuss
    • 6. Plants that grow in saline water are called

    • Options
    • A. halophytes
    • B. hydrophytes
    • C. mesophytes
    • D. thallophytes
      • Discuss
    • 7. Plants wilt due to excess of

    • Options
    • A. transpiration
    • B. photosynthesis
    • C. absorption
    • D. None of these
      • Discuss
    • 8. O2 released in the process of photosynthesis comes from

    • Options
    • A. CO2
    • B. water
    • C. sugar
    • D. pyruvic acid
      • Discuss
    • 9. Photo-oxidation is

    • Options
    • A. photorespiration
    • B. photolysis
    • C. light and oxygen induced breakdown
    • D. All of the above
      • Discuss
    • 10. One of the following is not a function of bones.

    • Options
    • A. Place for muscle attachment
    • B. Protection of vital organs
    • C. Secretion of hormones for calcium regulation in blood and bones
    • D. Production of blood corpuscles
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.