Life Processes ...

The figure that correctly depicts the removal of chlorophyll is :

The diagram shows a section through the human heart. Which blood vessels carry blood to and from the lungs?

Small intestine in herbivores is longer than in carnivores because

Human blood pressure (B.P.) is represented by what is called a pressure picture. In a normal human being, the pressure picture is 120/80/40 where 120 represents systolic pressure, 80 represents diastolic pressure, and 40 represents the pulse pressure which is the resultant difference in the two pressures. In one of the patients, the pressure picture was found to be 140/110/30 suggesting that there has been

Which one of the following is correct?

What will happen if mucus is not secreted by the gastric glands?

Which of the following statements is correct with respect to a four-chambered heart?

Which one of the following is the correct combination of the relevant materials required for setting up an experiment to show that light is necessary for photosynthesis.

To determine that light is essential for photosynthesis, following are the steps, but not in
sequence :
(i) Pluck the leaf and do the starch test.
(ii) Keep the selected plant in sunlight.
(iii) Destarch the plant for 48 - 72 hours.
(iv) Cover the leaf with black paper strip.
The correct sequence is

In an experiment to test the presence of starch in a leaf, the leaf is boiled in alcohol for a few minutes using a water bath. This is an essential step in the experiment because: