Women have shrill voice because of _______.
1). Low frequency
2). High frequency
3). Shrill vocals
4). Strong epiglottis
1. With which of the following body organ is 'pace-maker' associated?
2. The ecosystem of a pond is referred as
3. Green colour of leaves is due to -
4. The genetic unit of a cell is—
5. ___________ is the second largest animal phylum.
6. For the growth in length of plant which of the following is not essential-
7. Question 1:Briefly describe the structure of the following:Brain (b) Eye (c) Ear
8. Antidiuretic hormone is put into the blood by the
9. Incomplete break down of sugar in anaerobic respiration form -
10. Which one is not found in the composition of plasma membrane?