Correct Answer: A) all parts of the earth where life exists.

Correct Answer: B. mesophytes

Correct Answer: B. Roots of higher plants

Correct Answer: B) Exoskeleton

Explanation

The question is asking which type of skeleton is most appropriate for a cockroach. The options are hyrostatic, exoskeleton, endoskeleton, cartilaginous, and bonny skeleton. A skeleton is a framework that provides support and shape for an organism's body. The cockroach has an exoskeleton, which is a hard, protective outer covering that encases its body. This exoskeleton is made up of a tough material called chitin, which provides protection against predators and environmental factors. Hyrostatic skeletons, such as those found in worms, use fluid pressure to provide support and allow for movement. Endoskeletons, such as those found in humans, are internal skeletons that provide support for the body. Cartilaginous skeletons, such as those found in sharks, are made up of cartilage and provide support and flexibility. Bonny skeletons are not a type of skeleton, so option E is incorrect. Therefore, the most appropriate type of skeleton for a cockroach is an exoskeleton, which provides protection and support for the insect's body. Option B is the correct answer.

Correct Answer: A. IV

Correct Answer: D. Nigerian Red Cross Society

Correct Answer: D. converge light rays from far objects to focus their image on the retina

Correct Answer: C) golgi bodies

Explanation

The question is asking which organelle is not directly involved in the process of cell division. The four options provided are centromere, microtubules, golgi bodies, and spindle apparatus. Centromere is a structure that connects the two sister chromatids during cell division. Microtubules are important components of the spindle apparatus, which is responsible for separating the sister chromatids. The spindle apparatus is made up of microtubules and is directly involved in the cell division process. The correct answer is option C: golgi bodies. Golgi bodies are responsible for modifying, sorting, and packaging proteins and lipids for transport to their final destinations within or outside the cell. While they are important for the overall functioning of the cell, they are not directly involved in the process of cell division. It is important to understand the roles and functions of different organelles within the cell, as they all work together to maintain the viability and functioning of the cell. For more information, please see the recommended textbooks.

Correct Answer: B) Ribosome

Explanation

Proteins are important molecules that perform various functions in the body. The question is asking where protein synthesis takes place. Protein synthesis is the process of making new proteins. The correct answer is option B, ribosome. Ribosomes are small structures in the cell where protein synthesis occurs. They are found in both prokaryotic and eukaryotic cells. During protein synthesis, the ribosome reads the genetic code in messenger RNA (mRNA) and uses it to assemble amino acids into a polypeptide chain. The polypeptide chain then folds into a functional protein. Ribosomes can be found free in the cytoplasm or attached to the endoplasmic reticulum (ER). The ER is a network of membranes in the cell that is involved in protein processing and transport. The other options in the question, Golgi body, mitochondria, and nucleus, are all organelles in the cell, but they are not directly involved in protein synthesis. The Golgi body is involved in processing and packaging proteins for transport. Mitochondria are organelles that produce energy in the form of ATP. The nucleus contains genetic material (DNA) and is involved in gene expression, but protein synthesis occurs outside the nucleus. In summary, protein synthesis takes place in the ribosome, which is a small structure in the cell. The ribosome reads the genetic code in mRNA and uses it to assemble amino acids into a polypeptide chain, which then folds into a functional protein.

Explanation

(a) Explanation of terms

(i)Gene;Is a unit of heredity/genetic material; composed of DNA; located on the chromosome.

(ii)HybridIs an offspring; formed from a cross between parents that are genetically different but of same species.

(iii)Trait Is a feature/character; that is possessed by an organism; and can be transferred from parents to offspring.

(c) Transmittable characters in plants

• Type of seed
• Size of fruit
• Colour of flower
• Colour of leaf
• Height of plant
• Texture of seed coat
• Size of plant
• Leaf shape
• Any correctly named transmittable character