Late blight of potato is caused by
Ustilago
Pseudomonas
Phytophthora infestans
Colletotrichum falcatum
Most accepted theory for ascent of sap is
capillarity theory
root pressure theory
pulsation theory
transpiration pull theory
Male Anopheles does not transmit malarial parasite because
it catches fever
it is too small to carry parasite
the parasite is killed in its stomach
it does not drink blood
D.
it does not drink blood
Female Anopheles feeds on blood of man and large animals, while male Anopheles sucks juices of flowers and fruits only. Because of their blood-sucking adaptation, females Anopheles are medically important as carry viral, bacterial and protozoan infections.
The trisomy for 21st chromosome is called
Down's syndrome
Turner's syndrome
Sickle cell anaemia
Klinefelter's syndrome