JAMB Biology Past Questions & Answers - Page 234

1,166.

The most common characteristic of the fungal hyphae is the possession of

A.

cell-like compartment with one nucleus each

B.

cell walls that are both rigid and chitinous

C.

a multicellular mycelium in the substrate

D.

cell-like partitions formed by cross-walls

Correct answer is D

Fungal Hyphae Cells 1- Hyphal wall 2- Septum 3- Mitochondrion 4- Vacuole 5- Ergosterol crystal 6- Ribosome 7- Nucleus 8- Endoplasmic reticulum 9- Lipid body 10- Plasma membrane 11- Spitzenkorper 12- Golgi apparatus

- A hypha has cross-walls which divide it into cell-like compartments that contain several nuclei

NB: A rigid cell wall is not present in slime moulds.

1,167.

A plant-like feature in Euglena is the

A.

pellicle

B.

pigment spot

C.

large spot

D.

gullet

Correct answer is B

No explanation has been provided for this answer.

1,168.

The absence of special food and water-conducting systems restricts the body size in

A.

algae, liverworts, and mosses

B.

liverworts, mosses, and ferns

C.

the bryophytes and the pteridophytes

D.

the thallophytes and pteridophytes

Correct answer is A

No explanation has been provided for this answer.

1,169.

The rods in the retina of the eyes are examples of

A.

cells

B.

tissues

C.

organs

D.

systems

Correct answer is A

No explanation has been provided for this answer.

1,170.

the inactive state exhibited by an animal during hot dry seasons is termed

A.

Aestivation

B.

Dormancy

C.

Resting

D.

Hibernation

Correct answer is A

No explanation has been provided for this answer.