The scientific name of the common frog is: MCQ with Answer and Explanation

The scientific name of the common frog is:
A. Felis domestica
B. Homo sapiens
C. Crocodylus palustris
D. Rana tigrina
Answer: Option D
Solution (By JKSSB Mock Tests)
Rana tigrina is the scientific name of the Indian bullfrog. Homo sapiens refers to humans, Felis domestica is the domestic cat, and Crocodylus palustris is the marsh crocodile. Binomial nomenclature gives each organism a unique genus and species name. Rana is the genus, tigrina the species, both italicized when printed.

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Practice More Biology Questions

Question #1
The technique used to introduce foreign DNA into animal cells by fine needle injection is:
A. Microinjection
B. Biolistics
C. Lipofection
D. Electroporation

Correct Answer: Option A


Explanation:
Microinjection uses a very fine glass micropipette to inject DNA directly into the nucleus of a target cell. Electroporation uses electrical pulses, biolistics is gene gun for plant cells, lipofection uses lipid vesicles.

This question belongs to: Science Biology
Question #2
National parks and wildlife sanctuaries are examples of which type of conservation?
A. Ex-situ conservation
B. Tissue culture
C. Cryopreservation
D. In-situ conservation

Correct Answer: Option D


Explanation:
In-situ (on-site) conservation involves the conservation of species in their natural habitats. National parks, wildlife sanctuaries, and biosphere reserves are examples of in-situ conservation. Ex-situ (off-site) conservation involves taking endangered species out of their natural habitat and placing them in special settings like zoological parks, botanical gardens, and seed banks for conservation and breeding.

This question belongs to: Science Biology
Question #3
In humans, the number of autosomal chromosomes in a sperm is:
A. 23
B. 46
C. 22
D. 44

Correct Answer: Option C


Explanation:
Human sperm is haploid (n=23) containing 22 autosomes and one sex chromosome (X or Y). Somatic cells have 44 autosomes + XY or XX.

This question belongs to: Science Biology