2019 - JAMB Biology Past Questions and Answers - page 2

Agglutination or clumping is one of the ways in which the blood is able to defend against disease.

Haemophilia is a mostly inherited genetic disorder that impairs the body's ability to make blood clots, a process needed to stop bleeding. This results in people bleeding for a longer time after an injury, easy bruising, and an increased risk of bleeding inside joints or the brain.

wikipedia

Transmittable Characters In Plants: Size or weight of Fruit. Size of Leaf. Taste of Fruit. Food content of Fruit.

Trait is an inheritable character possessed by an organism.

The characteristics or traits of parents are transmitted to their progeny (offsprings) through genes present on their chromosomes during the process of sexual reproduction

more

Implantation is a process in which a developing embryo, moving as a blastocyst through a uterus, makes contact with the uterine wall and remains attached to it until birth. The lining of the uterus (endometrium) prepares for the developing blastocyst to attach to it via many internal changes

more

The Cowper's gland (also called Bulbourethral gland) is a reproductive system in male which secretes a part of the seminal fluid which raises the pH of the fluid in the female reproductive system.

The operculum is a series of bones found in bony fish that serves as a facial support structure and a protective covering for the gills; it is also used for respiration and feeding.

wikipedia

The tilapia fish belongs to the class Chordata phylum in the animal kingdom.

One of the important characteristics of green plants their ability to manufacture their food through autotrophic modes of nutrition)

Autotrophs:

those organisms that can make food themselves from simple substances like carbon dioxide and water are called autotrophs. Their mode of nutrition is referred to as autotrophic.

Characteristics of Plants

• Photosynthesis
• Cuticle
• Cell Walls
• Reproduction

Because a virus can reproduce in living cells. Viruses can also be inanimate when not in living cells.