Packaging Tissue: Study Guide
1 Which animal tissue is commonly known as packaging tissue? 1
2. Calculate the formula unit mass of CaCO3 (given at masses: Ca = 40. 0µ, c=12 0µ, 0 = 16.0µ . determines ‘pitch’ of sound. 1
5. How does the speed of sound change on increasing the temperature? 1
6.What do you mean by photoperiod? Name two processes that are dependent on photoperiod. 2
7. What will happen if: i) The skin epithelium is not stratified. ii) Stratified squamous epithelium lines blood vessels. 2
8. Name the target organ/organ system of AIDS virus. What is the cause of death in case of people …show more content…
(i) State ‘Law of constant proportions’. (ii) Taking the example of water, explain the law of constant proportions. (iii) Which postulate of Daltons’ atomic theory explains this law? 3
20. (i) Write the names of the compounds represented by the following formulae: a) Na 2S b) KNO 3 (ii) Write the chemical formulae of :
Aluminum Chloride
Magnesium oxide
(iii) Find out the mass of 12.044 × 10 23 atoms of magnesium (Given at mass of Mg = 24.0µ) 3
21. A stone is dropped from the edge of the roof. a) How long does it take to fall 4.9 m? b) How fast does it move at the end of the fall? c) What is its acceleration after 1s and 2s? (given that g = 9.8 m/s2) 3
22. A boy weighing 50 kg climbs up a vertical height of 100 m in 200 seconds. Calculate the – amount of work done by him potential energy gained by him
Power of the boy
(given that g = 10 m/s2) 3
23. i) In a tug of war, one team (team A) wins and the other team (team B) loses. Which of these two teams does a) positive work b) negative
2. Calculate the formula unit mass of CaCO3 (given at masses: Ca = 40. 0µ, c=12 0µ, 0 = 16.0µ . determines ‘pitch’ of sound. 1
5. How does the speed of sound change on increasing the temperature? 1
6.What do you mean by photoperiod? Name two processes that are dependent on photoperiod. 2
7. What will happen if: i) The skin epithelium is not stratified. ii) Stratified squamous epithelium lines blood vessels. 2
8. Name the target organ/organ system of AIDS virus. What is the cause of death in case of people …show more content…
(i) State ‘Law of constant proportions’. (ii) Taking the example of water, explain the law of constant proportions. (iii) Which postulate of Daltons’ atomic theory explains this law? 3
20. (i) Write the names of the compounds represented by the following formulae: a) Na 2S b) KNO 3 (ii) Write the chemical formulae of :
Aluminum Chloride
Magnesium oxide
(iii) Find out the mass of 12.044 × 10 23 atoms of magnesium (Given at mass of Mg = 24.0µ) 3
21. A stone is dropped from the edge of the roof. a) How long does it take to fall 4.9 m? b) How fast does it move at the end of the fall? c) What is its acceleration after 1s and 2s? (given that g = 9.8 m/s2) 3
22. A boy weighing 50 kg climbs up a vertical height of 100 m in 200 seconds. Calculate the – amount of work done by him potential energy gained by him
Power of the boy
(given that g = 10 m/s2) 3
23. i) In a tug of war, one team (team A) wins and the other team (team B) loses. Which of these two teams does a) positive work b) negative