JAMB Biology Past Questions & Answers - Page 136

676.

Proboscis is a structure that is mostly found in

A.

insects

B.

tapeworms

C.

amphibians

D.

molluses

Correct answer is A

No explanation has been provided for this answer.

677.

Which of the following is the simplest living organism?

A.

Paramecium

B.

Virus

C.

Amoeba

D.

Chlamydomonas

Correct answer is B

If viruses, prions, satellites, nanobes, nanobacteria (non-free-living sub-bacterial organisms) are excluded, the simplest free-living organism known is Mycoplasma genitalium, with a genome of only 580,000 base pairs and 482 protein-coding genes.

678.

The plants that grow in deserts or very dry areas are referred to as

A.

mesophytes

B.

hydrophytes

C.

epiphytes

D.

xerophytes

Correct answer is D

No explanation has been provided for this answer.

679.

Which of the following types of feathers is used for flight in birds?

A.

Quill

B.

Filoplume

C.

covert

D.

Down

Correct answer is A

No explanation has been provided for this answer.

680.

Which of the following distinguishes a butterfly from a moth?

A.

the wings of butterfly rest horizontally but those of moth rest vertically

B.

Both are active during the day

C.

they have similar antennae

D.

the abdomen of a moth is fatter than that of a butterfly

Correct answer is D

No explanation has been provided for this answer.