Evolution Test ...

How many combinations from the following show convergent evolution?
(a) Mole - Marsupial mouse
(b) Lemur - Spotted cuscus
(c) Anteater - Numbat
(d) Mole - Mouse
(e) Lemur - Numbat
(f) Numbat - Spotted cuscus

Balanoglossus is connecting link between 

Read the following sentence carefully and choose the option having correct statements
a. units of life called spores were transferred to different planets including earth according to the theory of spontaneous generation.
b. Oparin and Haldane proposed that life arises from nonliving organic molecules by chemical evolution.
c. Psilophyton can be considered as the ancestor of conifers
d. Coelacanth possibly evolved into the first amphibians.

Which one of the following changes involved is irrelevant, in the evolution of man ?

Hardy-Weinberg describes the frequency of A for an entire B.
Choose the correct option for A and B to complete the given NCERT statement.

Which of the following statements is / are correct?
I. Relative abundance of carbon and hydrogen with respect to other elements is higher in any living organisms.
II. Living organism have more nitrogen and oxygen per unit mass than inanimate objects (e.g.earth crust)
III. All the elements present in a sample of earth's crust are also present in a sample of living tissue.
IV. Living organisms have more Ca, Mg, Na in them than inanimate objects.

According to Hardy-Weinberg principle, difference in the values of measured and expected allelic frequencies indicates all of the following, except 

A population which is in Hardy-Weinberg equilibrium has $$1600$$ individuals. If dominant allelic frequency is $$0.7$$, then find out the number of dominant individuals in that population.

Lung fishes, air breathing animals and corals predominated during the ___ period. Complete the given statement by choosing an appropriate option.

In a population of 100 rabbits 40 are short-eared. Short ears are recessive to long ears. There are only two alleles for this gene. Long eared are 60 which are in 1:1 ratio of homozygous and heterozygous. Find out the dominant allelic frequency?