Lab exam

Question 1

What is a compound leaf?

Answer 1

A compound leaf is a leaf that has multiple distinct leaflets attached to a common petiole, or middle vein.

Question 2

Explain the 2 types of inflourescence

Answer 2

There are two main forms of inflorescences:
1. Racemose: monopodial branching; main axis continues to grow, and flowers are
borne on side branches, open in succession from below upwards (or, if
inflorescence is short and flattened, from outside inwards).
2. Cymose: sympodial branching; main axis ends in a flower (first to open) and
further growth occurs by one or more lateral branches, each of which behaves in
the same way, i.e. eventually forms a flower, and so on.

Question 3

In the life cycle of bryophyte which phase is dominant?

Answer 3

Gametophyte

Question 4

Gemma cup is found in

Answer 4

Marchantia

Question 5

The thallus of volvox is known as….

Answer 5

Coenobium

The coenobium in Volvox consists of many individual cells embedded in a gelatinous matrix.
It maintains a specific spherical shape, which aids in movement and survival.

Volvox has a haplontic life cycle (haploid-dominant).

Question 6

Cycas circinalis has branches

Answer 6

c.
Stout and same size as stem

Question 7

Hypogeal germination is…

Answer 7

when the cotyledons remain below ground as the seed germinates.

Question 8

What is the collective term used for the petals of a flower?

Answer 8

Corolla

Question 9

Connate describes:

Answer 9

Which term best describes when members of the same floral whorl (e.g. petals) are fused together?
Question 9Select one:

Question 11

Define perfect flower

Answer 11

A flower that has both androecium and gynoecium is described as a perfect flower.