Podcast
Questions and Answers
What is the main function of spongy parenchyma in a leaf?
What is the main function of spongy parenchyma in a leaf?
- Photosynthesis
- Storage of water and food
- Structural support
- Exchange of gases (correct)
Where are phloem cells located in a leaf?
Where are phloem cells located in a leaf?
- In the spongy mesophyll
- Below the xylem towards the upper epidermis
- Around the intercellular spaces
- Above the xylem towards the lower epidermis (correct)
What is the function of veins (vascular bundles) in a leaf?
What is the function of veins (vascular bundles) in a leaf?
- Protection against herbivores
- Photosynthesis
- Storage of nutrients
- Distribution of water and food (correct)
How do monocot and dicot leaves differ in terms of mesophyll?
How do monocot and dicot leaves differ in terms of mesophyll?
What is the main difference between upper and lower epidermis in a leaf?
What is the main difference between upper and lower epidermis in a leaf?
Which characteristic is common to both xylem and phloem cells in a leaf?
Which characteristic is common to both xylem and phloem cells in a leaf?
What type of leaf venation is characteristic of dicots?
What type of leaf venation is characteristic of dicots?
What is the main function of the palisade parenchyma cells in the mesophyll?
What is the main function of the palisade parenchyma cells in the mesophyll?
What is the purpose of the waxy cuticle on the upper epidermis of the leaf?
What is the purpose of the waxy cuticle on the upper epidermis of the leaf?
Which of the following is an example of a palmately compound leaf?
Which of the following is an example of a palmately compound leaf?
What is the term used to describe the arrangement of veins and veinlets in a leaf?
What is the term used to describe the arrangement of veins and veinlets in a leaf?
Which type of leaf venation is characteristic of monocots?
Which type of leaf venation is characteristic of monocots?
What is the portion of the axis that lies immediately above the cotyledons known as?
What is the portion of the axis that lies immediately above the cotyledons known as?
Which hormone prevents germination of seeds?
Which hormone prevents germination of seeds?
How are some seeds dispersed by wind using a parachute mechanism?
How are some seeds dispersed by wind using a parachute mechanism?
Which type of appendages do some seeds develop to aid in dispersal by wind?
Which type of appendages do some seeds develop to aid in dispersal by wind?
What external agents help in fruit and seed dispersal?
What external agents help in fruit and seed dispersal?
In seed dormancy, what can create cracks in the seed coat to initiate germination?
In seed dormancy, what can create cracks in the seed coat to initiate germination?
What is the primary function of the vascular cambium?
What is the primary function of the vascular cambium?
What is the primary function of the stele in a stem?
What is the primary function of the stele in a stem?
Which of the following is NOT a component of the stem cross-section?
Which of the following is NOT a component of the stem cross-section?
What is the primary function of the cuticle in a stem?
What is the primary function of the cuticle in a stem?
Which of the following tissues can be found in the cortex of a stem?
Which of the following tissues can be found in the cortex of a stem?
Which statement about stems is true?
Which statement about stems is true?
What is a catkin?
What is a catkin?
Which inflorescence type has flowers with pedicels of more or less equal lengths?
Which inflorescence type has flowers with pedicels of more or less equal lengths?
What is the defining characteristic of a corymb inflorescence?
What is the defining characteristic of a corymb inflorescence?
Which inflorescence type has a suppressed main axis with flowers crowded on a flat receptacle?
Which inflorescence type has a suppressed main axis with flowers crowded on a flat receptacle?
What is the defining characteristic of a cyme inflorescence?
What is the defining characteristic of a cyme inflorescence?
Which inflorescence type has stalked flowers on a branched main axis?
Which inflorescence type has stalked flowers on a branched main axis?