Bio 102 Exam 2 salihu Latest Update -

Bio 102 Exam 2 salihu Latest Update - Actual Exam 120 Questions and 100% Verified Correct Answers Guaranteed A+

3 Types of Cells in Ground Tissue PCL - CORRECT ANSWER: Parenchyma,

Collenchyma, Sclerenchyma (lignin)

A chloroplast has a fluid filled space called what? - CORRECT ANSWER: Stroma

Angiosperms (flowers) - CORRECT ANSWER: Distribute water and nutrients

throughout the plant w a circulatory system of vascular tissue, produce flowers which produce gamete's, seeds are encoded within an ovule, release pollen, fruit development

Anther - CORRECT ANSWER: Produces pollen, is at the tip of the filament

Apical Meristem - CORRECT ANSWER: At the tips of the roots and shoots, cells divide and allow the plant to grow taller

Are spores always diploid or haploid? - CORRECT ANSWER: HAPLOID

Are spores involved in both kinds of reproduction? - CORRECT ANSWER: Yes

Bryophytes (moss) - CORRECT ANSWER: Non-vascular, plants that grow in shady

areas, water and nutrients are absorbed by projections from the outermost layer of cells that penetrate a few micrometers into the soil, adult moss plants are HAPLOIDS

C3 Plants - CORRECT ANSWER: - 3 C compound

• no bundle sheath
• high photorespiration
• wide distribution
• Ex. evergreen trees, barley, rice

C4 Plants - CORRECT ANSWER: - 4C malate

• bundle sheath
• Low photorespiration
• Small distribution
• Uses PEP to combine with CO2
• Ex. Corn and sugarcane

CAM Plants - CORRECT ANSWER: - Open stomata at night

• 4C Malate
• No bundle sheath
• Low photorespiration
• Small distribution
• Ex. Cacti and pineapples 1 / 2

Can fungi reproduce asexually? - CORRECT ANSWER: Yes

Can fungi reproduce sexually? - CORRECT ANSWER: Yes

Carpel - CORRECT ANSWER: Female reproductive structure

Collenchyma - CORRECT ANSWER: Elongated, stringy cells with thickened cell walls.Give the plant the flexibility enabling it to twist and bend

Compare dispersal of dry fruits (dandelions, burrs) to fleshy fruits (apples, berries) - CORRECT ANSWER: Dry fruits like dandelions will be spread by wind, water, and the burrs will be spread by sticking on to animal fun, or clothing. Fleshy fruits are usually eaten by animals and the seeds will pass through the digestive system and will be spread through feces

Cork Cambium - CORRECT ANSWER: A lateral meristem that produces cork (outer

bark)

Cuticle - CORRECT ANSWER: The protective film covering the epidermis of leaves,

prevents water loss

Dermal Tissue (Outer Cover) - CORRECT ANSWER: Covers and protects the surface

of the plant

Describe the general life cycle of a plant. (hint: generation 1 n 2)

(SMGMF)

(ZMSM) - CORRECT ANSWER: Generation 1: Spores (n), mitosis, gametophyte plant (n), mitosis, fertilization, repeat

Generation 2: Zygote (2n), mitosis, sporophyte plant (2n), meiosis, repeat

Dikaryotic - CORRECT ANSWER: Referring to a fungal mycelium with two haploid

nuclei per cell, one from each parent.. wall between 2 compatible cells is dissolved and their cytoplasms join while the nuclei remain separate

Diploid - CORRECT ANSWER: 2 sets of chromosomes (ex. human and animal cells)

Do all plants have vascular tissues and seeds? - CORRECT ANSWER: No

Does chloroplast have a double membrane? - CORRECT ANSWER: Yes

Explain the three steps - CORRECT ANSWER: 1. Fixation- Rubisco plucks carbon

atoms from CO2 molecules in the air. The carbon atoms are attached to an organic molecule

• Sugar Creation- The organic molecule is modified into a sugar called G3P using

energy from ATP and NADPH

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