Human Reproduction — BIOLOGY STD 12 Science — Question

In Streptococcus pneumoniae

Which one of the following element is the critical limiting factor in the function of ecosphere because of its irretrievable loss into the ocean ______________?

In 2005, for each of the 14 million people present in a country, 0.028 were born and 0.008 died during the year. Using exponential equation, the number of people present in 2015 is predicted as:

Which of the following would necessarily decrease the density of a population in a given habitat?

In which of the following method threatened animals are taken out from natural habitat and placed in special setting?

The free-living fungus Trichoderma can be used for:

The concept that organizer is essential for embryonic development was given by:

Two statements are given-one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given below.

Diffuse porous woods are characteristic of plants growing in:

In which disease does mosquito transmitted pathogen cause chronic inflammation of lymphatic vessels?