During mid 1960s, the purification and chemical characterisation of which of the following PGR was performed?

  1. ABA
  2. GA
  3. Auxin
  4. Cytokinins
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Cousins confirmed the release of a volatile substance from ripened oranges that

  1. Hastened the ripening of already ripened bananas
  2. Hastened the ripening of unripened banana
  3. Slowed the ripening of unripened bananas
  4. Slowed the ripening of oranges
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Auxein means

  1. To escape
  2. To slow
  3. To grow
  4. To fasten
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Auxins was first isolated from

  1. Human serum
  2. Human urine
  3. Human stool
  4. Human saliva
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Which of the following is not isolated from plants?

  1. NAA
  2. IAA
  3. IBA
  4. GA3
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


For all natural and synthetic compounds involved in growth, which of the following term is used

  1. Auxein
  2. Auxin
  3. GA3
  4. GAs
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Auxins

Find the odd one.

  1. Initiate rooting in stem cuttings
  2. Promote flowering e.g. Pineapples
  3. Prevent fruit and leaf drop at early stages
  4. Prevent the abscission of older mature leaves and fruits
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


In most higher plants, the growing apical bud inhibits the growth of …….. or axillary buds, a phenomenon called………….

  1. Lateral, lateral Dominance
  2. Lateral, Apical Dominance
  3. Apical, Lateral Dominance
  4. Apical, Apical Dominance
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


For tea plantations, hedge-making which of the following PGR is used?

  1. Auxins
  2. Cytokinins
  3. GA3
  4. ABA
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Parthenocarpy in tomatoes is induced by

  1. GA3
  2. ABA
  3. Auxin
  4. Cytokinins
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level: