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
Who coined the term antibiotics ?
Woodruff
Darwin
Selman Waksman
A Fleming
C.
Selman Waksman
Alexander Fleming (1929) discovered first antibiotic penicillin from Penicillium notatum. Selman Waksman (1945) coined the term antibiotic, he got Nobel Prize. A Fleming is regarded as Father of Antibiotics.
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
The trisomy for 21st chromosome is called
Down's syndrome
Turner's syndrome
Sickle cell anaemia
Klinefelter's syndrome