Questions

Thyroxin or Thyroxine is the thyroid hormone that regulates carbohydrate metabolism in the human body.

An electric fuse is based on the heating effect of the current.

The plants which flower only once in their lifetime are called Monocarpic Plants.

Parvovirus B19 causes severe anemia because it preferentially infects erythrocyte precursors.

a. Parvovirus B19 binds preferentially to the erythrocyte blood group P antigen on erythroid precursor cells.

Answers B, C, D are incorrect:

b. after entry the single-stranded viral DNA genome is transported to the cell nucleus where the host DNA polymerase synthesizes the complimentary DNA strand.

c. Parvovirus B19 infection can be diagnosed by direct detection of viral DNA not RNA.

d. the fetus of a seropositive mother is protected from infection by maternal circulating antibodies.

During protein synthesis process, each tRNA carries one aminoacid for protein synthesis to the ribosomes.

A Coffin.

The place where the river meets the sea or ocean is called as Estuary.

Hima Das, nicknamed the "Dhing Express", is an Indian sprint runner from the state of Assam is appointed as the UNICEF India’s Youth Ambassador.

She holds the current Indian national record in 400 metres with a timing of 50.79 s that she clocked at the 2018 Asian Games in Jakarta, Indonesia