Which of the following is not a tissue found in plants?
Epidermis
Phloem
Xylem
Dermis
Mesophyll
Correct answer is D
No explanation has been provided for this answer.
Which of the following pairs of tissues is responsible for strengthening the plant?
Phloem and Epidermis
Parenchyma and Cambium
Collenchyma and Sclerenchyma
Collenchyma and Cambium
Xylem and Cambium
Correct answer is C
Collenchyma cells have thin primary walls with some areas of secondary thickening. Collenchyma provides extra mechanical and structural support, particularly in regions of new growth.
Sclerenchyma cells have thick lignified secondary walls and often die when mature. Sclerenchyma provides the main structural support to a plant.
Which of the following statements is correct?
The biceps muscles originates on the head of the humerus
The biceps muscle is inserted at the ulna
The triceps muscle originates at the scapula and at head of the humerus
The ulna is pulled up when the biceps are relaxed
The radius is the point where the triceps muscle is inserted
Correct answer is C
No explanation has been provided for this answer.
Which of the following groups carry out similar functions in living things?
Vertebral column, chitin, and guard cells
Sclerenchyma, cartilage, and chitin
Tendon, chitin, and neuron
Collenchyma, Intercellular spaces, and blood vessels
Blood vessels, lymph, and shell
Correct answer is B
No explanation has been provided for this answer.
Carbondioxide enters the stomata during photosynthesis through the process known as
osmosis
active transport
diffusion
inhalation
ventilation
Correct answer is C
No explanation has been provided for this answer.