14. Convert the following into Indirect speech.
Anne said, "Margot and I were sent to Aachen to stay with our grandmother. Margot went to Holland in December and
I followed in Feburary
Answers
Explanation:
19 Explain the processes of aerobic respiration in mitochondria of a cell and anaerobic
respiration in yeast and muscle with the help of word equations.
3
20 In a pea plant, the trait of flowers bearing purple colour (PP) is dominant over white
colour (pp). Explain the inheritance pattern of F1 and F2 generations with the help of a
cross following the rules of inheritance of traits. State the visible characters of F1and F2
progenies.
3
21 Explain giving reasons the bending of the shoot tip of a plant towards light source coming
from one side of the plant.
3
22 It is desired to obtain an erect image of an object, using concave mirror of focal length of
12 cm.
(i) What should be the range of the object distance in the above case?
(ii) Will the image be smaller or larger than the object? Draw a ray diagram to show the
formation of image in this case.
(iii) Where will the image of this object be, if it is placed 24 cm in front of the mirror?
3
23 Suppose your parents have constructed a two room house and you want that in the living
room there should be a provision of one electric bulb, one electric fan, a refrigerator and a
plug point for appliances of power up to 2 kilowatt. Draw a circuit diagram showing
electric fuse and earthing as safety devices.
3
24 In the figure given below, a narrow beam of white light is shown to pass through a
triangular glass prism. After passing through the prism, it produces a spectrum XY on the
screen.
(i) Name the phenomenon.
(ii) State the colours seen at X and Y.
(iii)Why do different colours of white light bend at different angles through a prism?
OR
(i) What is visible spectrum?
(ii) Why is red used as the stopping light at traffic signals?
(iii)Two triangular glass prisms are kept together connected through their rectangular
side. A light beam is passed through one side of the combination. Will there be any
dispersion? Justify your answer.
3
SE
Answer:
Anne said that Margot and she were sent to Aachen to stay with their grandmother. Margot went to Holland in December and she followed in February.