Suppose you are running fast in a field when you suddenly find a snake in front of you. You stop quickly. Which force is responsible for your deceleration?

Suppose you ar given a circle. Give a construction to find its centre.

You were visiting your friend's house. You observed some indoor plants in drawing room. You noticed that shoots of all plants slightly moved towards open window. Aunty told you that she had often changed the position of the arrangement of plants. But in any position shoots of plants showed same behaviour. Which hormone is responsible for such movement in plant ?

When you are standstill holding a flag, the flag flutters in the direction of wind. When you start running the direction of fluttering of the flag changes to the direction of the wind relative to you. In all case a flag flutters in the direction of the wind relative to the flag. Holding a flag, when you run at 8 m/s due cast, the flag flutters in the north and when you run at 2m/s due south, the flag flutters in the northeast. If the wind velocity is unifoem and remain constant, find the wind velocity.

Consider the following statement. When jumping from some height, you should bend your knees as you come to rest instead of keeping your legs stiff. Which of the following relations can be useful in explaining the statement?

To detect the taste bud (gustatory receptor) and its function. rarr Put some sugar on your tongue in the mouth. rarr Block your nose by pressing it between your thumb and index finger. rarr Now eat sugar again. rarr While eating lunch, block your nose in the same way and notice if you can fully appreciate the taste of food you are eating. Do you come across a similar situation when you have a cold ?

Suppose you accidentally find an old preserved permanent slide without a label. In your effort to identify it, you place the slide under microscope and observe the following features : (a) Unicellular (b) Well defined nucleus (c) Biflagellate - one flagellum lying longitudinally and the other transversely. What would you identify it as ? Can you name the kingdom it belongs to ?

You were visiting your friend's house. You observed some indoor plants in drawing room. You noticed that shoots of all plants slightly moved towards open window. Aunty told you that she had often changed the position of the arrangement of plants. But in any position shoots of plants showed same behaviour. Which arrangement do you suggest for plants to show straight growth of shoot?