What are the specific features present in a deer that helps it to detect the presence of predators like lion?

What are the adaptive features of a lion that helps it in hunting?

Which part of cockroach helps in detecting the presence of food at a place?

What essential features must be present in a cloning vehicle?

What is the special feature present in a human heart which does not allow mixing of blood when oxygen-rich and carbon dioxide-rich blood reach the heart?

The number of correct statements are 1) Maximum intensity of sound(waxing) is produced in the beats when constructive interference takes place II) Minimum intensity of sound(waning) is produced in the beats when destructive interference takes place III) Beats phenomenon used to detect the presence of dangerous gases in mines IV) Beats phenomenon used to detect unknown frequency of a tuning fork with the help of a standard tuning fork

Hormone are called chemical signals that stimulate specific target tissues . Their specific is due to the presence of signal receiving 'receptors' only in the respective target tissues. Where are these receptors present in case of hormones of protein nature

Assertion: The Widal test is commonly used for the detection of typhoid fever. Reason: The presence of specific agglutinins in the patient's blood indicates the presence of typhoid bacteria.

Hormones are called chemical signals that stimulate specific target tissues. Their speci- ficity is due to the presence of signal receiv- ing 'receptors' only in the respective target tissues. Where are these receptors present in case of hormones of protein nature

It is said that elemental composition of living organisms and that of inanimate objects (like earth's crust ) are similar in the sense that all the major elements are present in both. Then what would be the difference between these two groups ? Choose a correct answer from the following.