DHS 2020 Dresser, Storekeeper, Field Worker, Social Worker, Field Evaluation Worker

The spleen belongs to the lymphatic/immune system, not the digestive, nervous or excretory system; therefore option D is correct.

A nephron is the structural and functional unit of the kidney. Option B is the closest description; it is not technically a ‘kidney cell’.

The thyroid belongs to the endocrine system, which is not listed; hence ‘none of the above’.

Urine is formed in the kidneys by filtration, reabsorption and secretion in nephrons.

Iron deficiency can reduce haemoglobin synthesis and cause iron-deficiency anaemia.

Palaeontology is the scientific study of fossils and ancient life, including plants and animals.

The decibel (dB) is a logarithmic unit used to express sound level; it is not strictly a unit of perceived loudness.

Insulin, produced by pancreatic beta cells, lowers blood glucose.

Vitamin A deficiency can cause night blindness (difficulty seeing in dim light) and xerophthalmia.

The female gamete is the ovum; the ovary is the organ that produces ova.

Abhor means to hate or detest intensely.

Despise means to regard with contempt and is an antonym of admire.

The proverb is “A penny saved is a penny earned.”

The feminine title corresponding to a duke is duchess.

Some is the appropriate determiner in the phrase ‘for some personal reasons’.

The scan’s sentence/option alignment is not fully clear enough to establish both blanks reliably; answer left unresolved rather than inferred.

Datum is the traditional singular form of data, though ‘data’ is also commonly used as a mass noun in modern English.

The irregular forms are little → less → least.

The idiom is “kill two birds with one stone”, meaning achieve two aims with one action.

The adverb form of loud is loudly.