Which of the following are the important floralrewards to the animal pollinators?
Match each disease with its correct type of vaccine:(a) tuberculosis (i) harmless virus(b) whooping cough (ii) inactivated toxin(c) diphtheria (iii) killed bacteria(d) polio (iv) harmless bacteria
The following graph depicts changes in twopopulations (A and B) of herbivores in a grassy fieldA possible reason for these changes is that:
Which one of the following statements is wrong?
Secondary Succession takes place on/in:
The hilum is a scar on the :