Get premium membership and access questions with answers, video lessons as well as revision papers.
-Over secretion is termed hyperthyroidism this causes:
• Increased Basal Metabolic Rate (BMR) hence increased temperature.
Person becomes very angry, nervous and hands may shake.
• Increased heartbeat which lead to cardiac failure.
-Under secretion is termed hypothyroidism:
• Poor growth and mental retardation (cretinism).
• Reduced metabolic rate hence decreased temperature.
• Person becomes inactive and slothful.
• Eyes and face become puffy as fluid gets stored under skin.
• In extreme cases the tongue is swollen and skin becomes rough.
• Enlarged thyroid gland.
Wilfykil answered the question on February 28, 2019 at 12:08
- State the Hormones produced in humans and their effects on the body.(Solved)
State the Hormones produced in humans and their effects on the body.
Date posted: February 28, 2019. Answers (1)
- Give the Components of the nervous system in humans(Solved)
Give the Components of the nervous system in humans
Date posted: February 28, 2019. Answers (1)
- Define the following:
1. Phototaxis
2. Osmotaxis
3. Chemotaxis(Solved)
Define the following:
1. Phototaxis
2. Osmotaxis
3. Chemotaxis
Date posted: February 28, 2019. Answers (1)
- Define the following terms as used in Genetics:
(Solved)
Define the following terms as used in Genetics:
1. Genotype
2. Phenotype
3. Alleles
4. Homozygous
5. Heterozygous
6. Hybrid
7. Hybrid vigour or Heterosis
Date posted: February 28, 2019. Answers (1)
- What are the Components of DNA?(Solved)
What are the Components of DNA?
Date posted: February 28, 2019. Answers (1)
- What are the Properties of Chromosomes?(Solved)
What are the Properties of Chromosomes?
Date posted: February 28, 2019. Answers (1)
- What is Genetic Engineering?(Solved)
What is Genetic Engineering?
Date posted: February 28, 2019. Answers (1)
- Define the term "Gene therapy"(Solved)
Define the term "Gene therapy"
Date posted: February 28, 2019. Answers (1)
- Define the term "cloning"(Solved)
Define the term "cloning"
Date posted: February 28, 2019. Answers (1)
- Discuss baculoviruses as bio control agents(Solved)
Discuss baculoviruses as bio control agents
Date posted: February 25, 2019. Answers (1)
- Describe how the human kidneys are structurally adapted to perform their functions.(Solved)
Describe how the human kidneys are structurally adapted to perform their functions.
Date posted: February 24, 2019. Answers (1)
- (a)(i)Explain why skeletal muscles are said to be antagonistic.
(ii)State two characteristics of skeletal muscles.
(b)State the role of flexor muscle in movement.
(Solved)
(a)(i)Explain why skeletal muscles are said to be antagonistic.
(ii)State two characteristics of skeletal muscles.
(b)State the role of flexor muscle in movement.
Date posted: February 24, 2019. Answers (1)
- How are the following structures of a leaf adapted to their functions:
(i)Petiole?
(ii)Veins?
(iii)Palisade mesophyll?
(iv)Guard cells?(Solved)
How are the following structures of a leaf adapted to their functions:
(i)Petiole?
(ii)Veins?
(iii)Palisade mesophyll?
(iv)Guard cells?
Date posted: February 24, 2019. Answers (1)
- What are the stages of pathogenesis of diseases?(Solved)
What are the stages of pathogenesis of diseases?
Date posted: February 23, 2019. Answers (1)
- State the 2 types of micro organism and give their features.(Solved)
State the 2 types of micro organism and give their features.
Date posted: February 23, 2019. Answers (1)
- What are the clinical importance of micro organism?(Solved)
What are the clinical importance of micro organism?
Date posted: February 23, 2019. Answers (1)
- Explain how viruses differ from bacteria.(Solved)
Explain how viruses differ from bacteria.
Date posted: February 23, 2019. Answers (1)
- State the role of oxytocin in parturition.(Solved)
State the role of oxytocin in parturition.
Date posted: February 23, 2019. Answers (1)
- Name the two bones that articulate with the femur at its distal end.(Solved)
Name the two bones that articulate with the femur at its distal end.
Date posted: February 23, 2019. Answers (1)
- (a)With a reason,state the structure responsible for intermittent growth in an insect.
Structure.......
Reason......
(b)What is the hormone responsible for growth in an insect?(Solved)
(a)With a reason,state the structure responsible for intermittent growth in an insect.
Structure......
Reason......
(b)What is the hormone responsible for growth in an insect?
Date posted: February 23, 2019. Answers (1)