Term I - Assessment of Practical Skills in Science class IX
1. Name the male cattle that are used for tilling and carting.
a. Diary animals
b. Milch animals
c. Draught animals
d. Dual purpose animals
2. There has been low rainfall throughout the year in a village. What measures should the farmer take for better cropping?
a. Reduce tilling
b. Enrich the soil with humus to increase its water-holding capacity
c. Use drought-sensitive crops
d. Use early maturing varieties of crops
3. A mixture of oil and water can be separated by:
a. Sublimation
b. Crystallisation
c. Chromatography
d. Separating funnel
Questions 29 to 31 are based on the following information:
Four samples A, B, C, D are prepared by adding a pinch of copper sulphate, a spatula of copper sulphate, a spatula of chalk powder, and some milk, to water respectively.
4. Which one is the colloidal solution among them?
a. A
b. B
c. C
d. D
5. Which of these will form a clear and transparent solution?
a. A
b. B
c. A and B
d. B and D
6. Which of these will exhibit the Tyndall effect?
a. A and D
b. B and C
c. A and B
d. C and D
7. Which of the following represents a chemical change?
a. Extraction of copper from copper pyrites
b. Distillation of water
c. Melting of wax
d. Dissolution of salt in water
8. When a bottle of soda water is opened, carbon dioxide escapes, producing a fizz. This is due to:
a. Decrease in solubility on decreasing temperature
b. Decrease in solubility on increasing temperature
c. Decrease in solubility on decreasing pressure
d. Decrease in solubility on increasing temperature pressure
9. The sequence of steps for separating a mixture of salt, sand and camphor is:
a. Adding water, filtration, evaporation, sublimation
b. Adding water, filtration, sublimation, evaporation
c. Sublimation, adding water, filtration, evaporation
d. Sublimation, adding water, evaporation, filtration
10. Which of the following is the correct set of apparatus for fractional distillation?
a. Round bottomed flask, thermometer, water condenser and beaker
b. Round bottomed flask, thermometer, water air condenser and beaker
c. Round bottomed flask, thermometer, fractionating column, water condenser and flask
d. Round bottomed flask, thermometer, fractionating column, air condenser and flask
11. In the separation of dyes A and B by chromatography, component B has more solubility in the solvent. Which component will rise faster?
a. A
b. B
c. Both at the same speed
d. Separation of dyes is independent of the solubility in solvent
12. Different components can be separated from petroleum by:
a. FiltrationA
b. Chromatography
c. Simple distillation
d. Fractional distillation
13. Identify the two biologists who proposed the theory that all plants and animals are composed of cells.
a. Watson and Crick
b. Schleiden and Schwann
c. Knoll and Ruska
d. Robert Hooke and Robert Brown
14. What happens when fresh grapes are placed in a concentrated solution of sugar?
a. The grapes shrink as water moves from the grapes to the sugar solution
b. The grapes burst as water moves from the sugar solution to the grapes
c. The grapes swell as water moves from the sugar solution to the grapes
d. The grapes turn flaccid as solute moves from the grapes to the sugar solution
15. A magnified image of a specimen is observed through which part of a microscope?
a. Eye lens
b. Objective lens
c. Mirror
d. Condenser
16. If the Golgi complexes are removed from a cell, what changes would you observe?
a. Endoplasmic reticulum does not synthesise proteins
b. Cell wall does not form
c. Lysosomes do not form
d. Cytoplasm does not form
1. (c) 2. (b) 3. (d) 4. (c) 5. (c) 6. (d) 7. (a) 8. (c)9. (c)10. (c)11. (b)12. (d)13. (b)14. (a)15. (a)16. (c)
1. To study the following properties of acetic acid (ethanoic acid) :
(i) odour
(ii) solubility in water
(iii) effect on litmus
(iv) reaction with sodium bicarbonate
2. To study saponification reaction for preparation of soap.
3. To study the comparative cleaning capacity of a sample of soap in soft water and hard water.
4. To determine the focal length of (i) Concave mirror (ii) Convex lens by obtaining the image of a distant object.
5. To trace the path of a ray of light passing through a rectangular glass slab for different angles of incidence. Measure the angle of incidence, angle of refraction, angle of emergence and interpret the result.
6. To study (a) binary fission in Amoeba and (b) budding in yeast with the help of prepared slides.
7. To trace the path of rays of light through a glass prism.
8. To draw the images of an object formed by a convex lens, when placed at various positions.
9. To study homology and analogy with the help of preserved/available specimens of either animals or plants.
10. To identify the different parts of an embryo of a dicot seed (Pea, gram orred kidney bean)
1. Name the male cattle that are used for tilling and carting.
a. Diary animals
b. Milch animals
c. Draught animals
d. Dual purpose animals
2. There has been low rainfall throughout the year in a village. What measures should the farmer take for better cropping?
a. Reduce tilling
b. Enrich the soil with humus to increase its water-holding capacity
c. Use drought-sensitive crops
d. Use early maturing varieties of crops
3. A mixture of oil and water can be separated by:
a. Sublimation
b. Crystallisation
c. Chromatography
d. Separating funnel
Questions 29 to 31 are based on the following information:
Four samples A, B, C, D are prepared by adding a pinch of copper sulphate, a spatula of copper sulphate, a spatula of chalk powder, and some milk, to water respectively.
4. Which one is the colloidal solution among them?
a. A
b. B
c. C
d. D
5. Which of these will form a clear and transparent solution?
a. A
b. B
c. A and B
d. B and D
6. Which of these will exhibit the Tyndall effect?
a. A and D
b. B and C
c. A and B
d. C and D
7. Which of the following represents a chemical change?
a. Extraction of copper from copper pyrites
b. Distillation of water
c. Melting of wax
d. Dissolution of salt in water
8. When a bottle of soda water is opened, carbon dioxide escapes, producing a fizz. This is due to:
a. Decrease in solubility on decreasing temperature
b. Decrease in solubility on increasing temperature
c. Decrease in solubility on decreasing pressure
d. Decrease in solubility on increasing temperature pressure
9. The sequence of steps for separating a mixture of salt, sand and camphor is:
a. Adding water, filtration, evaporation, sublimation
b. Adding water, filtration, sublimation, evaporation
c. Sublimation, adding water, filtration, evaporation
d. Sublimation, adding water, evaporation, filtration
10. Which of the following is the correct set of apparatus for fractional distillation?
a. Round bottomed flask, thermometer, water condenser and beaker
b. Round bottomed flask, thermometer, water air condenser and beaker
c. Round bottomed flask, thermometer, fractionating column, water condenser and flask
d. Round bottomed flask, thermometer, fractionating column, air condenser and flask
11. In the separation of dyes A and B by chromatography, component B has more solubility in the solvent. Which component will rise faster?
a. A
b. B
c. Both at the same speed
d. Separation of dyes is independent of the solubility in solvent
12. Different components can be separated from petroleum by:
a. FiltrationA
b. Chromatography
c. Simple distillation
d. Fractional distillation
13. Identify the two biologists who proposed the theory that all plants and animals are composed of cells.
a. Watson and Crick
b. Schleiden and Schwann
c. Knoll and Ruska
d. Robert Hooke and Robert Brown
14. What happens when fresh grapes are placed in a concentrated solution of sugar?
a. The grapes shrink as water moves from the grapes to the sugar solution
b. The grapes burst as water moves from the sugar solution to the grapes
c. The grapes swell as water moves from the sugar solution to the grapes
d. The grapes turn flaccid as solute moves from the grapes to the sugar solution
15. A magnified image of a specimen is observed through which part of a microscope?
a. Eye lens
b. Objective lens
c. Mirror
d. Condenser
16. If the Golgi complexes are removed from a cell, what changes would you observe?
a. Endoplasmic reticulum does not synthesise proteins
b. Cell wall does not form
c. Lysosomes do not form
d. Cytoplasm does not form
1. (c) 2. (b) 3. (d) 4. (c) 5. (c) 6. (d) 7. (a) 8. (c)9. (c)10. (c)11. (b)12. (d)13. (b)14. (a)15. (a)16. (c)
1. To study the following properties of acetic acid (ethanoic acid) :
(i) odour
(ii) solubility in water
(iii) effect on litmus
(iv) reaction with sodium bicarbonate
2. To study saponification reaction for preparation of soap.
3. To study the comparative cleaning capacity of a sample of soap in soft water and hard water.
4. To determine the focal length of (i) Concave mirror (ii) Convex lens by obtaining the image of a distant object.
5. To trace the path of a ray of light passing through a rectangular glass slab for different angles of incidence. Measure the angle of incidence, angle of refraction, angle of emergence and interpret the result.
6. To study (a) binary fission in Amoeba and (b) budding in yeast with the help of prepared slides.
7. To trace the path of rays of light through a glass prism.
8. To draw the images of an object formed by a convex lens, when placed at various positions.
9. To study homology and analogy with the help of preserved/available specimens of either animals or plants.
10. To identify the different parts of an embryo of a dicot seed (Pea, gram orred kidney bean)
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