Statement A: Typhoid Mary was a health worker.

Statement B: Haemophilus influenzae doesn't cause influenza.

Basic unit of natural selection is

According to given results which of the following option is correct?

A=35%, G=35%, T=15%, C=15%

Viruses having RNA genome evolve faster, because:

Hardy and Weinberg principle explains

The functional megaspore generally undergoes:

Intermediate host is absent in the infection of

Reverse transcriptase is:

Select the correct statement.
(a) RNA polymerase I transcribes rRNAs
(b) RNA polymerase II transcribes snRNA (c) RNA polymerase III transcribes hnRNA (d) RNA polymerase II transcribes hnRNA

In prokaryotes, the predominant site (or primary step) of control of gene expression is at:

Which of the following rRNA acts as structural as well as ribozyme in eukaryotes -

If the target gene is inserted at Sal-I site of the pBR322 plasmid it will show resistance for-

Which of the following character is common in both monocotyledonous and dicotyledonous embryo?

Production of seeds without fertilisation is known as __A__ and this is commonly present in __B__.

When bands of RNA are transferred from agarose gel to a nitrocellulose membrane for identification, the process is called -

Which type of species interaction is found within a population?

Assertion: Logistic growth curve is considered as more realistic one.
Reason: Resources for growth for most organisms are finite and become unlimited sooner or later.

Assertion: Intraspecific competition is more acute than interspecific competition.

Reason: Resources among closely related species is more common than unrelated species.

An association of different species inhabiting in an area and have same functional attributes, it is called as-

Select the correct set of only viral diseases.

Statement 1: The NADP reductase enzyme is located on the lumen side of thylakoid membrane.
Statement 2: The ATP synthase enzyme consist of two parts: one is called as Fo and the other portion is called F1.