- Name the causative agents of the following diseases in humans
i) Candidiasis Candida albicans ii) Cholera Vibris cholerae RELATED SEARCHES Post Views: 8
- Give the meaning of the term binomial nomenclature
- Give the difference between Darwinian and Larmackian theories of evolution
Give the difference between Darwinian and Larmackian theories of evolution Larmarcician Darwinian RELATED SEARCHES Post Views: 10
- What is meant by the terms test-cross?
A cross made between a (homozygous) recessive parent and a parent of unknown genotype (to determine whether the unknown genotype in homozygous or heterozygous for dorminant gene RELATED QUESTIONS Post Views: 26
- What is meant by the term allele?
Allele refers to alternative form of a gene which occupy the cell loci which control the same characteristic RELATED QUESTIONS Post Views: 29
- State the functions of ribosomes and Golgi apparatus
a) Ribosomes Protein synthesis b) Golgi apparatus Post Views: 46
- A set up that was used to investigate a certain process in plants as shown in the diagram below.
a) What process was being investigated? (Rate of) transpiration b) i) State two precautions that should be taken when setting up the experiment. Cut shoot under water Apply petroleum jelly to cork-glass/Bung-glass/Bung-shoot connection Open reservoir tap ii) Give a reason for each precaution stated in b(i) above. To ensure no air enters leafy shoot/xylem To […]
- State how the following structures of the skin are adapted to their functions;
State how the following structures of the skin are adapted to their functions; i) Malphigian layer has actively dividing cells that give rise to new epidermal cells Epidermal cells contain Melanin that protects /prevents the skin against ultraviolet rays/UV light ii) Sebaceous glands Secrete sebum, an antiseptic/water repellent substance/prevent drying/cracking of skin/makes skin supple Post […]
- A certain animal has no incisors, no canines, 6 premolars and 6 molars in its upper jaw. It has 6 incisors, 2 canines, 6 premolars and 6 molars on the lower jaw. Write its dental formula
b) State the likely mode of feeding for the animal Herbivorous c) Give a reason for your answer in (b) above Lack of canines/incisors on the on the lower jaw/presence of canines / Incisors on the lower jaw only Post Views: 22
- Explain continental drift as an evidence of evolution
Post Views: 11
- The diagram below shows the position of an image formed in a defective eye
a) Name the defect. Hypermetropia/long sightedness b) Explain how the defect named in (a) above can be corrected. Post Views: 22
- State the aspects of light that affect the rate of photosynthesis
Post Views: 11
- Give the differences in products of anaerobic respiration in plants and animals
Plant Animal Post Views: 13
- What is oxygen debt?
The amount of oxygen required to convert (accumulated) lactic acid to water, carbon (IV) oxide and energy/amount of oxygen required to get rid of (accumulated) lactic acid (when supply of oxygen is less than demand)/anaerobic respiration. Post Views: 12
- State four ways in which the red blood cells are adapted to their function
Post Views: 15
- Other than sugars, name two compounds that are translocated in the phloem
Post Views: 22
- Name the structures in phloem that are involved in the translocation of sugars
Answers Post Views: 7
- A group of students from Awasi Boys High School set up an experiment to demonstrate a certain process. The experimental set up were as shown in the diagrams below.
A group of students from Awasi Boys High School set up an experiment to demonstrate a certain process. The experimental set up were as shown in the diagrams below. After 10 minutes the students recorded their observation in a table as shown below. a) Name the process being demonstrated by this experiment. (1mk) Diffusionb) Explain […]
- Name the fins that prevent the following movements of fish during swimming
Post Views: 18
- Name three forces that maintain transpiration stream
Post Views: 7
