BOTLAB

Angiosperm 1

100

It is a complete or perfect flower if it both has 

Stamen and Pistil 

200

Several flowers of an inflorescence crowded together on one stem

Multiple 

300

What are the three types of ovary position and what do they mean? 

1. Hypogynous - ovary superior
2. Perigynous - ovary half-inferior
3. Epigynous - ovary inferior

400

It is called the cluster of bracts

Involucre

500

What are the seven types of placentation?

1. Marginal
2. Axile
3. Parietal
4. Free-central
5. Basal
6. Basal
7. Apical  

Gymnosperm 1

100

All gymnosperm leaves including the needle-like leaves of conifers are called what?

Megaphylls

200

4 divisions of Gymnosperms 

1. Coniferophyta

2. Cycadophyta 

3. Ginkgophyta

4. Gnetophyta

300

[Pines] Short shoots: needle-like leaves; Long shoots: _______

Papery leaves

400

Three orders of Gnetophyta?

1. Welwitschiales

2. Ephedrales

3. Gnetales

500

longitudinal section cut parallel to the radius that passes through the center of the stem or parallel to the rays 

Radial section

Angiosperm 2

100

It is the food store providing energy for future cell divisions

tapetum

200

Increases genetic variation, population more resistant to environmental change 

Cross-pollination 

300

what are the 3 parts of a pericarp and where are they located? 

1. Endocarp - inner layer
2. Mesocarp - middle layer
3. Exocarp - outer layer

400

What do seeds contain? [three] 

1. Seed coat
2. embryonic plant
3. Nutrient reserve

500

The haploid nucleus of the surviving megaspore undergoes how many ____ divisions? 

three mitotic divisions

Gymnosperm 2

100

If gymnosperms lack sieve tube members, what cells do they only contain? 

Sieve cells and albuminous cells

200

What is the tallest organism on earth of pines

Sequoia semperivens

300

It is always dioecious and it produces pollen and seed cones

Cycads

400

Ginkgo females form fleshy seeds which contains? 

Butyric acid

500

It is monotypic, short, wide stems and only 2 leaves that grow from basal meristem 

Welwitschiales 

Random

100

What generation do gymnosperms exhibits and what generation is more dominant?

Alternation of heteromorphic generation; sporophyte

200

It is a small opening in the walls called ____; where do they enter? 

Micropyle; in pollen tubes 

300

The embryo sac divides by meiosis to form what?

4 haploid cells 

400

Scientific name of the Baguio pines?

Pinus kesiya

500

Why is gymnosperms more advanced than ferns? 

Because they don't have spores, they have seeds.