Question

1. Which malarial parasite has the longest
incubation period?
(a) Plasmodium vivax
(b) Plasmodium ovale
(c) Plasmodium falciparum
(d) Plasmodium malariae
2.Kala azar, a severe liver infection is transmitted
mainly by the biting of
(a) sand fly
(b) mosquito
(c) tse-tse fly (d) dog.
3.One of the special characters of coelenterates
only is the occurrence of
(a) polymorphism (b) flame cells
(c) hermaphroditism (d) nematocysts.
4.The formation of canal system in sponges is due
to
(a) folding of inner walls
(b) gastro-vascular system
(c) reproduction (d) porous walls.​

Answer 1

Answer:

no.1 a

no. 2 a

no.3 I don't know this one sry

no. 4 b

sry that I can't answer the third question