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Provide one-word answers to the statements given below. 1) A joint which allows movement in all directions. 2) A hard structure that forms the skeleton. 3) Part of the body with a fixed joint. 4) Help in the movement of the body by contraction and relaxation. 5) Bones that join with chest bone at one end and to the backbone at the other end. 6) A framework of bones which gives shape to our body. 7) Bones which enclose the organs of our body that lie below the abdomen. 8) Joint where our neck joins the head. 9) Part of the skeleton that forms the earlobe.

1. Ball and socket joint The ball and socket joint is a type of synovial joints in which one bone... View Article

Fill in the blanks with the terms that are listed below. (Anther, male, ovary, ovule, petals, pistil, stamen, filament) Sepals, (a) ____, stamens and (b) ____ are the parts of a flower. Stamen is made up of (c) ____ and (d) ____ and it represents the (e) ____part of the flower. The female part of the flower is called the (f) _____. The basal, swollen part of the pistil is called the (g) ____ which contains the (h) _____.

(a) Petals. This is a bright-coloured part that attracts bees, insects, and birds. Colour of petals varies from plant to... View Article

Observe the picture of an activity given as in the figure carried out with leaves of plants and polythene bag. Now answer the following: (a) Which process is demonstrated in the activity? (b) When will this activity show better results on a bright sunny day or a cloudy day? (c) What will you observe in the polythene bag after a few hours of setting up the activity? (d) Mention any one precaution you must take while performing this activity.

a) The process demonstrated in the activity is – Transpiration. b) The rate of transpiration depends on sunlight, more the... View Article