Question
Define the following terms: (a) Echolocation (b) Echocardiography, and (c) Ultrasonography.
Echolocation: Echolocation is the method used by some animals to locate the objects by hearing the echoes of their ultrasonic squeaks.
Echocardiography: Echocardiography is the use of ultrasound waves to investigate the action of the heart.
Ultra sonography: Ultra sonography is the technique of obtaining pictures of internal organs of the body by using echoes of ultrasound pulses.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
When do we say that work is done? Write the formula for the work done by a body in moving up against gravity. Give the meaning of each symbol which occurs in it.
“High Blood Pressure can be caused by excessive weight and lack of exercise”. Justify the statement.
Mention three different ways in which insect pests can attack the crop plant.
Write down two disadvantages of two kingdom classification.
Write down four characters of mammals. Give two examples.