Photosynthesis takes place in the presence of chlorophyll and _________.
1). water
2). nutrients
3). carbon-dioxide
4). sunlight
1. The functional unit of the nervous system is the
2. Question 7:How are the minerals absorbed by the plants?
6. Which virus causes Chicken Pox?
7. Which of the following cells produce antibodies?
8. In what ways do lymph capillaries differ from blood capillaries?-
9. Question 8:Describe modifications of stem with suitable examples