What is the botanical name of the common mango plant?
A. Mangifera indica
B. Musa paradisiaca
C. Citrus sinensis
D. Ficus benghalensis
Answer: Option A
Solution (By JKSSB Mock Tests)
Mangifera indica is the scientific name of mango. Musa paradisiaca is banana, Citrus sinensis is orange, Ficus benghalensis is banyan tree. The genus Mangifera refers to mango, 'indica' indicates its origin in India. It belongs to the family Anacardiaceae. Mango is the national fruit of India. Scientific naming follows binomial nomenclature, with genus and species epithet.
Explanation:
The glomerulus is a tuft of fenestrated capillaries enclosed by the Bowman's capsule in the renal corpuscle. Blood is filtered under high pressure through the capillary walls into the Bowman's space. The filtrate then passes into the nephron tubules. Glomerular filtration is the first step in urine formation.
Explanation:
In prokaryotes, DNA polymerase I has 5'→3' exonuclease activity that removes the RNA primer and fills the gap with DNA. DNA polymerase III adds nucleotides to the growing strand. Ligase seals the nicks. Helicase unwinds DNA. In eukaryotes, RNase H removes primers and DNA polymerase δ fills the gap.
Explanation:
Jonas Salk developed the inactivated polio vaccine (IPV) in 1955, which was the first effective vaccine. Albert Sabin later developed the oral polio vaccine (OPV). Pasteur rabies, Jenner smallpox.
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