The variety of life refers to the diverse range of organisms on Earth, including different species, ecosystems, and genetic variations, which contribute to the planet’s biodiversity and ecological balance.
1st year Biology Chapter 5 MCQs
Five kingdom system of classification proposed by Margulis and Schwartz is not based on: Genetics
In the lytic cycle of a bacteriophage, the host DNA is: Digested into its nucleotides
The enzymes involved in the viral replication are synthesized: By the host cell
Phylogeny describes a species: Evolutionary history
A virion is: Virus
The common name of Allium cepa is: Piyaz
In 1966 Ernst Hacckel proposed a third kingdom called: Protoctista
An isolated virus is not considered living, since it: Cannot metobolize
In the binomial system of taxonomy, the first word of an organism’s name is its: Genus
In the two kingdom systems which of these would characterize an animal: Ingestion of food
In the five kingdom system of classification of Robert Whittacker, the members of kingdom plantae are autotrophic, eukaryotic and: Multicellular
Temperate phage may exist as: Prophage
Pigs are the reservoir to: Hepatitis E
One of the following is in the order of increasing group size, beginning with the smallest family, kingdom, species, phylum or division, genus, order and class: Species, genus, order, family
In lysogenic cycle, the DNA of bacteriophage: Joins the bacterial chromosomes
Which one of the following is false about AIDS: HAV
Scientific name has advantages of: Has scientific basis and universally accepted
Important : Review all previous years’ 11 Class Past Papers for comprehensive practice and better exam preparation.