Grace Quiz #3 in GenBio2

What type of root system is seen in grass?

• fibrous roots

• adventitious roots

• ground roots

• tap roots

This structure is used for the gas exchange in the stem

• buds

• lenticels

• internodes

• node

What do you call to the structure in the vascular system that conducts water?

• bark

• phloem

• pith

• xylem

Gabi or taro is an example of what type of modified stem?

• bulb

• rhizome

• corms

• tubers

This structure of the leaf serves as the main structure or backbone.

• blade

• petiole

• midrib

• veins

This structure regulates the opening of the stomata.

• epidermis

• mesophyll

• guard cells

• spongy layer

The primary function of this organ for anchorage and absorption of food.

• branches

• roots

• leaves

• stem

What type of cell does the dermal tissue have?

• sclerenchyma

• parenchyma

• collenchyma

• all of the above

What plant hormone is responsible for the ripening of fruit?

• auxin

• cytokinin

• ethylene

• none of the above

What response does the Venus fly trap have when it grasps a certain object touches it?

• geotropism

• thigmotropism

• phototropism

• none of the above