Anti tobacco campaign---Advocacy policies

WORKSHOP ON TOBACCO CONTROLTHEME___ INTERFERENCE OF TOBACCO INDUSTRY CLASSES--- 9TH -11TH VENUE  ---MULTI  MEDIA  LAB---1

     

           

Students engrossed in developing strategies to shun tobacco tragedy

Presentation about the harmful effects of tobacco

 

Interaction about the plan of action to curb this menace

 

Discussion about the latest theme of tobacco control -"-Interference of tobacco industry"

Anti tobacco campaign

Notice     ( anti tobacco campaign)

tomorrow at 12 noon there is a presentation for the antitobacco squad of the school to learn more about latest theme of tobacco control (2012-2013) and collect the worksheets for the same .

Theme -"-Interfence of tobacco industry " venue---multi media room 1

School Celebrates Environment Day

Humble efforts towards a great cause

The school witnessed  the most genuine and sincere efforts of students of allmost all the classes .The aesthetics of Rangoli from class 12th ,the environment newspaper from class 11th , the sustainable development CD from class 10th , the  intricate collage from class 9th ,the real life projects and street plays from rest of the classes left no stone unturned to shake the inner core of one and all in and around the school to contribute their share towards this noble and urgent cause .
HATS OFF TO OUR SCHOOL  

School's anti Tobacco Campaign




  Soon there is an orientation  about the action plan of the latest theme of tobacco control for year 2012-2013 ie
"Interference of tobacco industry ".The interested students may contact me for the same.

Congratulations for the Highest Award



Another feather on DAV 'S cap!!!!

 


Hard work always pays

 

Regarding holidays assignments

All the 9th class students are advised to go through the holidays' assignments and discuss if you come across any difficulty .Moreover during your break you must go through the current science news in the newspaper and find out the latest developments / research articles appearing in the newspapers and paste some relevant cuttings in the notebook.

Tress passers will be dissolved !!!(ha ha ha....... )

Holidays' assignments for 9th

Enjoy while you work

 

Holidays’ Home Work 

                                       Class –9^th                                             Subject ----

Biology 

Q1   Which one of the following can be made into crystals?

(a)    A bacterium

(b)   An Amoeba

(c)    A Virus

(d)   A sperm

Q2   Chromosomes are made up of

(a)    DNA

(b)   Protein

(c)    DNA and protein

(d)   RNA

Q3   Plasmolysis in plant cell is defined as

(a)     Break down of plasma membrane in hypotonic solution

(b)   Shrinkage of cytoplasm in hypertonic solution

(c)    Shrinkage of nucleoplasm

(d)   Swelling of plant cell in hypotonic solution

Q4  Which of the following are covered by a single membrane?

(a)    Mitochondria

(b)   Vacuole

(c)    Nucleus

(d)   Plastid

Q5 Which cell organelle plays important role in detoxifying many poisons and drugs in a cell

(a)Golgi apparatus

(b) endoplasmic reticulum

(c)plasma membrane

(d)mitochondria

Q6 The undefined region of prokaryotic cell is known as

(a)    Nucleus

(b)   Nucleoid

(c)    Nucleic acid

(d)   Nucleolus

Q7  The cell organelle involved in forming complex sugars from  simple sugars are

(a)endoplasmic reticulum

(b)  ribosomes

(c) plastids

(d) golgi apparatus

Q8 Which of the following is not the function of vacuole?

(a)Storage

(b)providing turgidity to the cell

(c) Waste excretion

(d) Locomotion

Q9 Amoeba acquires food by

(a)Exocytosis

(b)endocytosis

(c) plasmolysis

(d) exocytosis and endocytosis both

Q10 The cell wall of which one of the following is not made up of cellulose?

(a)Bacteria

(b)Hydrilla

(c) Mango tree

(d) Cactus

      Short answers

Q1   Why are lysosomes known as suicidal bags of the cell?

Q2  Why is endocytosis found only in animals only?

Q3 Why do plant cells possess large sized vacuole?

Q4 How is a bacterial cell different from onion peel?

Q5 Name any cell organelle which is non membranous.

Diagrams

Draw labeled diagrams of :

--Animal cell

--Prokaryotic cell

High order thinking questions

Q1 Why does the skin of your finger shrink when you wash clothes for a long time?

Q2 A person takes concentrated solution of salt ,after sometime ,he starts vomiting .What is the phenomenon responsible for such a situation ?Explain.

Q3 In brief state what happens when

(a)    Dry apricots are left for sometime in pure water and later transferred to sugar solution ?

(b)   A red blood cell is kept in concentrated saline solution ?

(c)    The plasma membrane of a cell breaks down?

(d)   Rheo leaves are boiled in water first and then a drop of sugar syrup is put on it?

(e)   Golgi apparatus is removed from the cell ?

Q4 How are chromatin ,chromatid and chromosomes related to each other ?

Q5 Which kind of plastid is more common in

(a)    Roots of the plant

(b)   Leaves of the plant

(c)    Flowers and fruits 

Note—Develop habit of  newspaper reading   regularly and search any article /latest development or any research  appearing in the newspaper and paste the cutting .