Leaf
A leaf consists of a thin flattened lamina attached to the plant by (.............).
A) Midrib
B) Lamina
C) Internode
D) Petiole
D) Petiole
What is the main function of the stem?
A) To prevent the plant wiggle against wind
B) To transport water and minerals
C) To connect the leaves and the roots
B) To transport water and minerals
Which of the following is not a part of the leaf?
A) Pith
B) Cuticle
C) Spongy parenchyma
D) Palisade parenchyma
A) Pith
Dicot and monocot stems differ in the (.........) of their vascular bundles.
A) Number
B) Type
C) Organisation
D) Space
C) Organisation
What is the primary photosynthetic organ of a plant?
A) Vascular bundle
B) Stem
C) Leaf
D) Root
C) Leaf
Areas between the leaf and stem are called?
Petiole and nodes
In any given plant, the majority of grana may ultimately be found in the .
A) Palisade mesophyll
B) Upper epidermis
C) Bundle sheath
D) Spongy mesophyll
A) Palisade mesophyll
What part of a woody stem forms rings that indicate a tree's age?
Cambium
Veins form a network for a support and transport of water and food.
A) True
B) False
A) True
Visual contrast between summer and spring xylem. Used to predict a plant's age.
A) Pith ray
B) Phellogen
C) Annual ring
C) Annual ring
The lower epidermis does not have chloroplast.
A) True
B) False
A) True
Meristematic tissue between the xylem and phloem in herbaceous woody stems. Is the source of secondary xylem and phloem.
Vascular cambium
What are the raw materials used by plants for photosynthesis?
I. Carbon dioxide
II. Water
III. Chlorophyll
IV. Nitrogen
A) I, II
B) I, II, IV
C) I, II, III
D) All of the above
C) I, II, III
Older xylem clogged with resin, dark, no longer conducts water, but supports weight of tree. What is the name of this xylem?
A) Sapwood
B) Heartwood
C) Hardwood
D) Softwood
B) Heartwood
Most of the stomata are located on the lower epidermis. Why?
A) To cool the leaves when temperature is high
B) To control the gaseous exchange and transpiration rate
C) To provide mechanical support for the plant
D) To harvest light energy
B) To control the gaseous exchange and transpiration rate
This part of the stem disappears in older stems. What is it called?
A) Cortex
B) Epidermis
C) Pith
D) Vascular Cambium
C) Pith
Name each diagram, whether simple leaf or compound leaf.
1) http://plant-structure.weebly.com/uploads/3/8/1/7/38170739/published/simple-leaves.jpg?1487102158
2) http://www-saps.plantsci.cam.ac.uk/trees/images/eldertwig.jpg
1) simple leaf
2) compound leaf
The image represents what part of the stem?
A) Auxillary Bud
B) Node
C) Internode
D) Cambium
A) Auxillary Bud
What are the differences between simple leaves and leaflets?
Simple leaves have axillary bus while leaflets don’t.
In monocot stems, the vascular tissue is (________), while in dicot stems, the vascular tissue is (________)
https://images.app.goo.gl/UWxKSo7u1ZcfvQLA7
A) Arranged in a ring, Scattered
B) Scattered, Arranged in a ring
B) Scattered, Arranged in a ring