A multicellular, filamentous alga exhibits a type of sexual life cycle in which the meiotic division occurs after the formation of zygote. The adult filament of this alga has

Given below are a few statements related to external fertilization. Choose the correct statements.

$\left(\mathrm{i}\right)$ The male and female gametes are formed and released simultaneously.

$\left(\mathrm{ii}\right)$ Only a few gametes are released into the medium.

$\left(\mathrm{iii}\right)$ Water is the medium in a majority of organisms exhibiting external fertilization.

$\left(\mathrm{iv}\right)$ Offspring formed as a result of external fertilization have a better chance of survival than those formed inside an organism.

The statements given below describe certain features that are observed in the pistil of flowers.

$\left(\mathrm{i}\right)$ A pistil may have many carpels.

$\left(\mathrm{ii}\right)$ Each carpel may have more than one ovule.

$\left(\mathrm{iii}\right)$ Each carpel has only one ovule.

$\left(\mathrm{iv}\right)$ The pistil has only one carpel.

Choose the statements that are true from the options below.

Which of the following situations correctly describes the similarity between an Angiosperm egg and a human egg?

$\left(\mathrm{i}\right)$ Eggs of both are formed only once in a lifetime.

$\left(\mathrm{ii}\right)$ Both the angiosperm egg and human egg are stationary.

$\left(\mathrm{iii}\right)$ Both the angiosperm egg and human egg are motile transported.

$\left(\mathrm{iv}\right)$ Syngamy in both results in the formation of a zygote.

Choose the correct answer from the options given below.

Which of the following statements support the view that elaborate sexual reproductive process appeared much later in the organic evolution?

$\left(\mathrm{i}\right)$ Lower groups of organisms have simpler body design.

$\left(\mathrm{ii}\right)$ Asexual reproduction is common in lower groups.

$\left(\mathrm{iii}\right)$ Asexual reproduction is common in higher groups of organisms.

$\left(\mathrm{iv}\right)$ The high incidence of sexual reproduction in angiosperms and vertebrates.

Choose the correct answer from the options given below.