GRADE 10: Punett Square

1. What is a punett square?

2. What are the kinds of punett square?

3. Research about the origin of the punett square.

4. Find and show worked examples using the punett square.

GRADE 10: GENETICS

1. Compare Mitosis and Meiosis completely with diagram.

2. Research about the structure of a gene.

3. How does DNA gets replicated?

4. List and explain hereditary diseases. As many as you can find.

5. What is co-dominance and incomplete dominance?

GRADE 9: Animal and Plant Nutrition

Research on the following for your portfolio:

1. What are mycoprotein?

2. Parts of a tooth. Search for a longitudinal section diagram of a tooth.

3. Research about food additives

a. What are the different types of food additives?
b. What food contains it.

c. What is the use or function of every food additive?

4. Research about the villus and its purpose in the body.

5. How do bile salts help in the digestion of fats?

6. What are the digestive juices that is secreted by the duodenum of the small intestine?

7. What is a sphincter muscle, where is it found and its function in the body?

8. What is a balanced diet? Prepare a balanced diet for one day.

9. How do digested food gets assimilated with the body?

10. How does fiber prevents constipation?

11. What is obesity? What are the risks or serious health problems that it causes?

12. What is kwashiorkor?

13. What are the limiting factors for a plant in manufacturing food?

14. What is a green house?

15. What is a biuret solution, benedict solution and iodine? How are they used?

16. Which plant has the largest leaf ever recorded?

17. How is glucose used in by plants?

18. What are the adaptations of leaves for photosynthesis?

19. What is a condensation reaction?

20. What is a hydrolictic reaction?

21. What is a gall stone and how does it affect the body?

22. How to prevent gallstones?

23. What is the difference between a fat and an oil?

24. What is Transpiration and its importance? How do big trees use it?

25. Research about humidity and its importance?

26. What is a potometer and how is it used?

27. Research about the carbon cycle.

28. What mineral salts are needed by the plants? Explain their use for the plant.

29. Research about the willow tree experiment by Joannes Baptista van Helmont.

30. How does a plant get destarched?

GRADE 9: YOGURT

1. DESCRIBE THE USE OF MICROORGANISM IN THE MANUFACTURE OF YOGURT.

2. SEARCH FOR THE RECIPE AND PROCEDURE ON HOW TO MAKE A YOGURT.

3. DESCRIBE DIFFERENT DEFICIENCY SYNDROMES. SUCH AS LACK IN VIT C OR PROTEIN...... ETC

GRADE 10: GENETICS

RESEARCH ON THE FOLLOWING:

1. Explain through an example how the two general sets of factors, heredity and environment determine characteristics of an organism.

2. Gregor Mendel's life and works.

3. Why did Mendel make a good choice with his peas?

4. What do the terms dominant and recessive mean?

5. What is the law of segregation?

6. What is a sex linked trait?

7. What is a sex influenced trait?

8. what is a sex limited trait?

9. What is a non-mendelian inheritance?

10. What causes mutation?

11. Who is Thomas Hunt Morgan?

12. How did Morgan's discovery differ from Mendel's?

13. How is blood type inherited?

14. Special cases of heredity.

15. Hybridization.

16. Selection and Inbreeding.

17. Genetic improvements on humans.

GRADE 9: NUTRIENTS

RESEARCH ON THE FOLLOWING:

1. What is food? explain its use in the body of an organism.

2. What is meant by essential and non essential amino acids? How do we get it?

3. In what way is a calorie related to a change in weight?

4. What vitamin deficiency will a pure vegetarian most likely suffer from?

5. People can survive a short time without most nutrients, but they must have water regularly. Why?

6. What is energy?

7. What is a flamingo milk?

8. How does the body control heat loss?

9. How do cholesterol lead to heart disease?

10. How is starch hydrolyzed by enzymes?

11. Explain the quality of proteins.

12. Problems of world food supply.

13. Balanced diet.

ENZYMES

Research on the following:

1. How do enzymes alter the rate of chemical reactions?

2. What are the industrial applications of enzymes?

3. How are enzymes affected by pH level?

4. What are co-enzymes?

5. How are enzymes affected by temperature?

NOTE: PORTFOLIO SUBMISSION IS ON SEPTEMBER 27 - OCTOBER 1