Leaf

  1. Attached to the stem by the leaf base
  2. Always bear two lateral small leaf like structures called stipules
  3. Monocots have small sheath like leaf base which covers the stem wholly
  4. All leguminous plants have swollen leaf base
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 parts of leaf has major role to hold the blade to light?

  1. Lamina
  2. Petiole
  3. Sheath
  4. Stipule
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


The fluttering of the leaf blade is facilitated by

  1. Swollen pulvinus
  2. Membranous sheath
  3. Long and thin Petiole
  4. Broad lamina
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Veins and veinlets are not present in

  1. Lamina
  2. Leaf blade
  3. Leaf broader surface
  4. Leaf base
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Midrib is usually not used in

  1. Middle
  2. Prominent vein
  3. A mean to provide rigidity
  4. transport only water, minerals, gases like carbon dioxide and food materials
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 relatively constant in all dicot leaves?

  1. Shape
  2. Margin, apex and surface
  3. Extent of incision
  4. Venation
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


The arrangement of veins and the veinlets in the lamina of leaf is termed as

  1. Venation
  2. Vernation
  3. Vernalization
  4. Phyllotaxy
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 correct?

  1. The leaves of all dicot plants show reticulate venation
  2. The leaves of all monocot plants show parallel venation
  3. The network of veinlets is termed as reticulate venation
  4. All of these
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Simple leaf

  1. Do not have any incisions
  2. Always intact lamina
  3. Incisions of the lamina reach to midrib
  4. Entire lamina or when incisions do not reach to midrib
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Compound leaf

  1. Has leaflets or incised lamina without leaflets
  2. Incisions reach to midrib
  3. Axils of leaflets have bud
  4. All of these
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level: