BANGLADESH INTERNATIONAL SCHOOL & COLLEGE DOHS, Mohakhali, Dhaka Cantonment

Ramadan Vacation Home Work

Class: Std. IX (Int’l)

SL Name of

the

subjects

Home Work

1. Bangla a. Read about historical places and about famous Bangladeshi

personalities for section-A

b. Read Bangla news paper articles and Blog post for Section-B

c. Read O level Bangla bhasha porichoy for Section-C

2. Eng Lang Test Paper-May 2018-May 2016 Question Answer, Directed Writing,

Creative Writing

3. Maths B Review Ex 1A-Pg-43-No: 1-11, 13-21, 22(a-e)

Ex 2A: Pg-87-No: All; Ex 3A: Pg-117-No: 1-18,20

Ex 4A: Pg-156-No: All

Ex 5A: Pg-187-All

4. F.P. Math Chapter: 1, 2, 3, 4, 5

Ex: 1 (a,b,c), 2 (a,b,c), 3 (a,b,c), 4 (a,b), 5 (a,b)

5. Physics Unit-8 Question (Page-55)

Chapter-10: Exercise question

Chapter-11: Exercise question

6. Chemistry Ex: 3, 6 (Page: 12-13)

Ex: 4, 12, 17, 18 (c) (Page: 72-74)

Ex: 6 (Page: 23)

Ex: 3.4 (Page: 129)

Ex: 5,6,7 (Page: 37)

Ex: 2,3 (Page: 136)

Ex: 9,15,19(b),17,11 (Page: 61-63)

7. Biology Chapter-I: Question (Page: 23-24)

Chapter-II: Question (Page: 33-37)

Chapter-III: Question (Page: 49-51)

Chapter-IV: Question (Page: 67-69)

Chapter-V: Question (Page: 81-83) and Revise class notes.

8. H. Biology Revise: Chapter-1 to Chapter-5

1.Mark the correct answer by (√) mark from the multiple choice.

. The pentose sugar present in RNA? (i)Ribose (ii)Deoxyribose (iii)Hexose . The pentose sugar present in DNA? (i)Ribose (ii)Deoxyribose (iii)Hexose . Formation of DNA to DNA is called:(i)Transcription (ii)Replication (iii)translation . Formation of DNA to RNA is called: (i)Transcription (ii)Replication (iii)translation

. Formatio. of RNA to protein called:(i)Transcription (ii)Replication (iii)translation . Since DNA is made by many nucleotide , it is called? (i)Poly-nucleotide (ii)Di-nucleotide (iii)Mono-nucleotide. .Nucleotide have sugar base and phosphate. But nucleoside have sugar and base . Part of bacteria which act as a genetic tool for genetic engineering? (i) Bacterial DNA (ii)Bactrial cell wall (iii)Bacterial extracircularDNA(Plasmid) . A segment of DNA contain 30% adenine. What the % of guanine present in this sample of DNA? (i)20% (ii)30% (iii)70% . A segment of DNA contain 30% guanine. What the % of thymin present in this sample of DNA? (i)20% (ii)30% (iii)70% .If you place a RBC cell in concentrated salt solution , after 30 minutes the cell will………………… (i) Increase in size & burst out. (ii) Cell will lose water and shrink (iii) Cell will remain unchanged .If you place a RBC cell in distilled water , after 30 minutes the cell will………………… (i) Increase in size & burst out. (ii) Cell will lose water and shrink (iii) Cell will remain unchanged .Surface area/volume ratio of a cube having 4 cm each of the 6 side is (i) 1.5 (ii) 0.25 (iii) 1.0 . Which of the following process need semi-permeable membrane? (i)Active transport (ii)Diffusion (iii)Osmosis . Which of the following process need concentration difference? (i)Active transport (ii)Diffusion (iii)Osmosis . Which of the following process need difference in water potential? (i)Active transport (ii)Diffusion (iii)Osmosis . Which one is the basic unit of Carbohydrate? (i)Glucose (ii)starch (iii)Glycogen . Which one is the basic unit of protein? (i)Glucose (ii)amino acid (iii)Glycogen . Which one is the basic unit of Lipid or fat? (i)Glucose (ii)amino acid (iii)Fatty acid . Which one of the following carbohydrate is not polysaccharide? (i)Starch (ii)glucose (iii)glycogen . The chemical used for protein test is- (i)Benedict reagent (ii) Biuret reagent (iii)Ethanol . The chemical used for glucose test is- (i)Benedict reagent (ii) Biuret reagent (iii)Ethanol

. The chemical used for lipid test is- (i)Benedict reagent (ii) Biuret reagent (iii)Ethanol . Which of the following affect the activity of enzyme? (i)Temperature (ii)pH (iii)substrate concentration . A chemical named catalase which present in plants and animal tissue (potatos,liver,muscle) is an- (i)Enzyme (ii)Hormone (iii)substrate . Which of the following is a protein deficiency disease? (i) Scurvy (ii) Rickets (iii) Kwashiorkor . Which of the following is vit-C deficiency disease? (i) Scurvy (ii) Rickets (iii) Kwashiorkor . Which of the following is Vit-D deficiency disease? (i) Scurvy (ii) Rickets (iii) Kwashiorkor . The chemical used for vitamin C estimation is : (i)DCP (ii)DCCP (iii)DCPIP . Pepsin, trypsin and peptidase are a group of enzyme . And the group is- (i) Carbohydrase (ii)lipase (iii)protease . Amylase,maltase are a group of enzyme . And the group is- (i) Carbohydrase (ii)lipase (iii)protease . Glucose→ Lactate(+some energy) is the example of (i)Aerobic respiration (ii)Anaerobic(Lactate fermentation) (iii) Anaerobic(Ethanol fermentation) . Which of the following statement is correct? (i)Trachea→ Bronchus → Bronchiole →Alveoli (ii)Trachea→ Alveoli →Bronchiole→ Bronchus (iii) Bronchiole →Alveoli→ Trachea →Bronchus . The heart, blood vessels and blood comprises a system in human body called (i)Respiratory system (ii)Circulatory system (iii)Excretory system . The lungs, trachea, ribcage & diaphragm makes a system in human body called (i)Respiratory system (ii)Circulatory system (iii)Excretory system . Which of the following blood vessels have thicker wall, narrow lumen with no valve : (i)Artery (ii)Vein (iii)capillary . Which of the following blood vessels have thin wall, wider lumen with valve : (i)Artery (ii)Vein (iii)capillary . Which of the following blood vessels are one cell thick : (i)Artery (ii)Vein (iii)capillary Answer the following question a. Write the name of 4 RNA bases. b. Describe the structure of a DNA segment. Describe DNA replication. c. Draw Structure of a nucleotide and nucleoside. d. Write two difference between DNA & RNA e. Cut the segment of DNA by restriction enzyme .

Define transcription. Describe the process of transcription with drawing. f.Define translation. Describe the process of translation with drawing .How will you join DNA by DNA ligase . .How will you produce transgenic bacteria by using human insulin gene. Show by genetic engeneering. g. How will you do genetic engineering to make transgenic bacteria using bacterial plasmid as genetic tool with the help of human insulin gene? h. Complete the table related to the specialized cell.

Specialized cell Description Function Nerve cell (Neuron)

Wire like with elongated Axon.

……………………………………………… ………………………………………………

……………………….. ……………………….

Form the wall of inyestine, Elongated

Contract to move food through the gut.

Ciliated epithelial cell.

Hair like cilia present in trachea.

…………………………………………….. …………………………………………….

Red blood cell

……………………………………….. ………………………………………..

Carry oxygen around the body

Sperm cell

………………………………………… ………………………………………..

contain genetic message . Help in fertilization .

……………………….. ………………………..

Have lobed/spherical nucleus.

Can change its shape to enclose & destroy bacteria.

i. Define mutation. Write the name of different types of mutation. How mutation occur by duplication and inversion? j.Draw and label animal cell. Write the function of the following part of cell. Cell membrane, Nucleus, Mitochondria, Cytoplasm. k.In the experiment Demonstrating diffusion in a jelly where three block (smaller, medium and bigger) are used. Each of the side of smaller block was 2cm,medium block was 5 cm and the bigger block was 7cm. (i)By which process dilute HCl entered into the block? Write the surface area of smaller and bigger block. Why HCl entered the smaller block faster than the bigger block l.Write the name of 3 main types of biological molecules m.Complete the table relating to the biological molecules and their basic unit with chemical composition. n.Draw the structure of lipid showing glycerin and 3 fatty acid. Draw the structure of starch showing glucose molecule. o.How will you test the presence of starch ,protein, fat and glucose in food? p. Define active site with drawing ?What is substrate? What is enzyme substrate complex? q. shows the effect of temperature & pH on the action of enzyme. Describe graphically? r.How presence of an inhibitor causes an enzyme to be less active? s.Why food is called complex chemical? t. Define food. Write 3 main function of food. Composition of food

u.Write the source and role of the following vitamins and minerals. Ca,Fe,P, Vit-A,C,D,B v.How will you measure the vitamin C content present in a biological sample/orange juice/lemon juice. (using 1% DCPIP solution ) w.Draw and Label the tooth .Draw different types of teeth +function. x.How will you measure the energy content of food? Write the formula used to measure the energy content (in joul) per gram. y.What is the functional difference between canine and molar teeth? What is the functional difference between canine and incissor? z. Why breathing and respiration is not same?.Show the conversion of ATP and ADP . .Compare the table of mechanism of breathing in & out. With drawing Draw trachea and show the position of ciliated cell and mucus secreting cell. write the role of cilia and mucus to keep the airways clean .Write the composition of air. .How gas exchange occur between alveolus and blood capillaries? Answer using the own idea+ drawing. Write short notes on :Emphysema ,bronchitis ,lung cancer. Draw and

label respiratory system.

aa. Write the name of various types of digestive enzyme .

bb.Describe the digestion in stomach.

cc.Label various part of heart.

Write the difference between artery and vein. Write the composition of

blood.Write the function of blood cells. Draw and label the circulatory

system. Draw /Label section of artery and vein.

9. ICT a. Revise chapter 1 to 5.

b. Solve the relevant Questions from past paper 2011-2017.

c. Do the activities given in chapters.

d. Solve MS Word part of past papers 2015, 2016 & mail/ send over

viber to the subject teacher.

10. Economics All the case studies from the book (Chapter: 16 to 25)

11. B. Studies All the case studies from the book (Chapter: 1 to 11)

12. Accounting F/A, Control A/C, Partnership (5)

Partnership

Solutions: 01

Soulation:03