The Living World - Online Test

Q1. Animals that has become extinct in India is
Answer : Option B
Explaination / Solution:

The animals that were present earlier but now not available are called extinct animals. In India a number of animals have become extinctsuch as Cheetah.

Q2. In which organism protoplasm and cellular structure is absent
Answer : Option D
Explaination / Solution:

The protoplasm and cellular structure is absent in Virus. Virus consists of genetic material (DNA or RNA) along with a capsule of protein without any cellular structure.

Q3. Living organism show internal growth due to addition of materials and formation of cells inside the body. Such a method is called
Answer : Option D
Explaination / Solution:

The method in which living organism show internal growth due to addition of materials fand formation of cells inside the body is called intussusception.

Q4. Example of interspecific hybrid is
Answer : Option C
Explaination / Solution:

Tigon and liger are produced by hybridization of tow interspecific species. Although hybridization generally takes place between same species.

Q5. A living organism can be unexceptionally differentiated from nonliving structure on the basis of
Answer : Option A
Explaination / Solution:

A living organism can be differentiated from non-living structures on the basis of reproduction. All the living organism reproduce unexceptionally for continuation of species.

Q6. The number of categories in hierarchical classification is
Answer : Option B
Explaination / Solution:

Taxonomical studies of all known organisms have led to the development of common categories such as kingdom, phylum (for animals) or division (for plants), class, order, family, genus and species. Hence, the correct option is 7.

Q7. In taxonomic hierarchy, the various categories are arranged in
Answer : Option A
Explaination / Solution:

Kingdom -> Phylum/Division -> Class -> Order -> Family -> Genus -> Species. Hence, the correct option is Descending order.

Q8. Choose the correct sequence of taxonomic categories in descending order
Answer : Option A
Explaination / Solution:

The correct sequence of taxonomic categories form higher to lower are Division-Class-Order-Family-Genus-Species.

Q9. A group of closely related families is called
Answer : Option B
Explaination / Solution:

Class includes a group of related orders, Genus comprises a group of related species, species is a basic unit of classification. Hence, the correct option is Order.

Q10. The highest categories of classification is
Answer : Option C
Explaination / Solution:

The taxonomic hierarchy Kingdom -> Phylum/Division -> Class -> Order -> Family -> Genus -> Species. Hence, the correct option is Kingdom.