Practice Question and Answer

Q: Some species of which of the below kinds of organisms are employed as biopesticides? 1.Bacteria          2. Fungi       3. Flowering plants 2710 0

  • 1
    1 only
    Correct
    Wrong
  • 2
    2 and 3 only
    Correct
    Wrong
  • 3
    1 and 3 only
    Correct
    Wrong
  • 4
    1, 2 and 3
    Correct
    Wrong
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Answer : 1. "1 only"
Explanation :

Answer: A) 1 only Explanation:

Q: Function of Leghaemoglobin in nitrogen fixation _____ 1373 0

  • 1
    Absorption of oxygen
    Correct
    Wrong
  • 2
    Nutrion of bacteria
    Correct
    Wrong
  • 3
    Absorption of light
    Correct
    Wrong
  • 4
    All
    Correct
    Wrong
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Answer : 1. "Absorption of oxygen"
Explanation :

Answer: A) Absorption of oxygen Explanation:

Q: The leaves used as wrappers for bides are obtained from which one of the following ? 1403 0

  • 1
    Shikakai
    Correct
    Wrong
  • 2
    Rudraksha
    Correct
    Wrong
  • 3
    Tendu
    Correct
    Wrong
  • 4
    Lemon grass
    Correct
    Wrong
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Answer : 3. "Tendu"
Explanation :

Answer: C) Tendu Explanation:

Q: The plant dye Henna imparts orangered colour to skin and hairs due to its reaction with which of the following? 1664 0

  • 1
    Protein and amino acids
    Correct
    Wrong
  • 2
    Lipids
    Correct
    Wrong
  • 3
    Carbohydrates
    Correct
    Wrong
  • 4
    Amino acids
    Correct
    Wrong
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Answer : 1. "Protein and amino acids"
Explanation :

Answer: A) Protein and amino acids Explanation:

Q: In plant body, the water and minerals are transported by _______ 1252 0

  • 1
    Bast
    Correct
    Wrong
  • 2
    Collenchyma
    Correct
    Wrong
  • 3
    parenchyma
    Correct
    Wrong
  • 4
    Xylum
    Correct
    Wrong
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Answer : 4. "Xylum"
Explanation :

Answer: D) Xylum Explanation:

Q: The corner of the cells of collenchyma tissue in plant are thickened due to deposition of _____ 1240 0

  • 1
    Lignin and suberin
    Correct
    Wrong
  • 2
    Suberin and cutin
    Correct
    Wrong
  • 3
    Cellulose and pectin
    Correct
    Wrong
  • 4
    Chitin and lignin
    Correct
    Wrong
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Answer : 3. "Cellulose and pectin"
Explanation :

Answer: C) Cellulose and pectin Explanation:

Q: Only male frog produce croacking sound because ____ 3526 0

  • 1
    Female frog have no larynx
    Correct
    Wrong
  • 2
    Female frog have larynx but no vocal cord
    Correct
    Wrong
  • 3
    Male frog have three pair of vocal cord
    Correct
    Wrong
  • 4
    Male frog can magnify their voice with the help of sound box
    Correct
    Wrong
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Answer : 1. "Female frog have no larynx"
Explanation :

Answer: A) Female frog have no larynx Explanation:

Q: Which of the following is the largest phyllum in the animal kingdom in respect of number of species 1058 0

  • 1
    Annalida
    Correct
    Wrong
  • 2
    Platyhelminthes
    Correct
    Wrong
  • 3
    Chordata
    Correct
    Wrong
  • 4
    Arthropoda
    Correct
    Wrong
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Answer : 4. "Arthropoda"
Explanation :

Answer: D) Arthropoda Explanation:

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