Spermatozoa are produced in the

• A. penis
• B. testicles
• C. prostate grand
• D. cowper's gland

Joshua Hinson, director of the language revitalization program of the Chickasaw Nation in Oklahoma, helped produce the world’s first Indigenous-language instructional app, Chickasaw ______ Chickasaw TV, in 2010; and a Rosetta Stone language course in Chickasaw, in 2015. Which choice completes the text so that it conforms to the conventions of Standard English?

• A) Basic; in 2009, an online television network;
• B) Basic; in 2009, an online television network,
• C) Basic, in 2009; an online television network,
• D) Basic, in 2009, an online television network,

Which of the following class of compounds can exist as dipolar ions in solution?

• A) Alkanoic acid
• B) Fatty acids
• C) Dialkanoic acids
• D) Amino acids

(a) Explain the following terms:

(i) disease

(ii) symptoms of diseases.

(b)(i) List two physical and two chemical barriers that prevent pathogens from penetrating the body of an organism.

(ii) Explain how vaccination protects the body from contracting infectious diseases.

(c) Distinguish between an antibody and a antigen.

(d) Name the causative agents of:

(i) Malaria

(ii) Cholera

(iii) AIDS.

Choose the option opposite in meaning to the underlined word(s).

The members of the congregation wereinspired by the sermon?

• A. enthralled
• B. disenchanted
• C. disorientated
• D. bewitched

Why is breast milk superior to canned milk for a new baby?

• (a) It is warmer
• (b) It is very concentrated
• (c) It is balanced in body building requirements
• (d) It is what government recommends

A bag contains 5 black, 4 white and x red marbles. If the probability of picking a red marble is 2/3, find the value of x

• A. 8
• B. 10
• C. 4
• D. 6

If the difference in electronegativity of elements P and Q is 3.0. The bond that will be formed between them is

• A) metallic
• B) covalent
• C) co-ordinate
• D) ionic

Simplify (0.09)² and give your answer correct to 4 significant figures

• A. 0.81
• B. 0.081
• C. 0.0081
• D. 8.0001

Purchases can be ascertained through the preparation of a

• A. stock account
• B. sales account
• C. total debtors control account
• D. total creditors control account