NABTEB

List FOUR components of ecosystem – NABTEB QUESTION

1. Water 2. Air 3. Soil 4. Plants 5. Animals 6. Micro-organisms 7. Mineral salts.

5 years ago

Explain the function and effect of over and under secretion of thyroxin and insulin. – NABTEB QUESTION

Function: Thyroxin: It controls growth and regulates cells functions. Effects of over secretion: 1. Cells become over active 2. Enlarge…

5 years ago

What parts of the eye are responsible for protection and vision? – NABTEB QUESTION

Protection: Conjunctiva, eyelids, eye lash, sclerotic layer. Vision: Conjunctiva, cornea, lens, retina, optic nerve.

5 years ago

Draw a large labelled diagram of the vertical section of mammalian eye. – NABTEB QUESTION

5 years ago

State ONE role each of the following in digestion: i. Teeth ii. Tongue iii. Saliva – NABTEB QUESTION

i. Teeth: Used for tearing or cutting, cracking or crushing and grinding or chewing of food. ii. Tongue: Used to…

5 years ago

What is balanced diet? – NABTEB QUESTION

Balanced diet is that which contains sufficient quantities or amount or right proportion of proteins, carbohydrates, fats and oil, vitamins,…

5 years ago

Describe how erosion can be controlled in a village community. – NABTEB QUESTION

1. Dig gutters/channels for run off after rainfall. 2. Clear drains regularly 3. Plant grass to control run off from…

5 years ago

State FOUR characteristics of fertile soil. – NABTEB QUESTION

1. Adequate mineral nutrients 2. active micro-organisms 3. well drained 4. sufficiently aerated 5. enough organic matter/humus 6. good structure…

5 years ago

List FOUR activities of man that can lead to soil losing its fertility. – NABTEB QUESTION

1. Continuous cropping, over-cropping, mixed cropping (without replenishing the soil) 2. Deforestation, overgrazing, using heavy machine. 3. Bush/crop residue burning.…

5 years ago

Name THREE storage structures in plants. – NABTEB QUESTION

1. Leaf 2. Stem 3. Roots 4. Tuber/Rhizome/Corm 5. Fruit 6. Seed

5 years ago
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