Match the following diseases with the causative organism and select the correct option.
Typhoid | Wuchereria |
Pneumonia | Haemophilus |
Filariasis | Plasmodium |
Malaria | Salmonella |
Choose the correct answer.
(i) Companion cells are nucleated cells of phloem.
(ii) Vessels contain only living cells.
(iii) Sieve cells are enucleated at maturity.
(iv) Abnormal secondary growth due to accessory cambia is found in Asparagus.
(v) Stone cells does not contain end walls.