active and passive words

Ram thanked Hari.Hari was thanked by Ram.In the first sentence the emphasis is on the doer, Ram.In the second sentence the emphasis is on the action, was thank..

A verb is in the Active Voice when its form shows that the person or thing denoted by the subject is the doer of the actio..

Active Immunity - Active immunity develops as a result of the contact of an individual with pathogenic organisms or their products. They stimulate the body to produce antibodies in response to the antigens. The immunity thus produced is specific for a particular disease. For e.g..

Communication Systems..

Take a nichrome wire of about 50 cm length and apply a potential difference of 1.5 V from a battery. Measure the current flowing through the wire using an ammeter connected to it in series, and note the potential difference across the resistance using a voltmeter connected across it. Note down and ..

The transport of materials across the cell membranes with the help of energy is called active transport. Both diffusion and osmosis are passive transport mechanisms, not requiring energy. Active transport helps in the transport of ions across the membranes of the cells..

fig 6.11 - Illustration of energy barrier and activation energy involved in a reaction Each reaction has a characteristic value of energy of activation. At a given temperature, a reaction with low activation energy will proceed faster than a reaction with high energy o..

>By negative charges of organic acids when they lose H + ions Thus all these factors lead to the opening of stomata. The stomata closure is due to excretion of K + ions from guard cells surrounding epidermal and subsidiary cells. The stomatal closure is considered to be brought about by a pass..

1. Active voice Passive voice will be: The tree was cut down by the man. 2. Active voice Passive voice will be: A letter will be written to him by my father. 3. Active voice Passive voice will be: The ball was caught by the boy. 4. P..

Various theories have been proposed to explain the mechanism of mineral salt absorption and can be placed under the following two categories: 1. Passive absorption 2. Active absorpti..