GK INFOPEDIA

[1] Cod liver oil from fish is rich in which vitamin? A. Vitamin A B. Vitamin D C. Vitamin C D. Vitamin B Ans: Vitamin D Explanation : Cod liver oil, as the name suggests, is the essential oil extracted from the livers of Atlantic cod (Gadus morhua). It is a nutrient-dense source of essential […]

[1] The sense of balance is achieved by – A. Cerebrum equilibrium B. Thalamus equilibrium C. Cerebellum equilibrium D. Spinal cord equilibrium Ans: Cerebellum equilibrium Explanation : The cerebellum equilibrium controls the aspects of balance, equilibrium, and muscle tone, which are factors that provide for smooth movement and activity. Electrical impulses from the cerebellum stimulate […]

[1] Which enzyme converts proteins? A. Pepsin B. Trypsin C. Erepsin D. Enterokinase Ans: Trypsin Explanation : Trypsin is a serine protease found in the digestive system of many vertebrates, where it hydrolyses proteins. Trypsin in the duodenum catalyses the hydrolysis of peptide bonds so that proteins can be broken down into smaller peptides. These […]

[1] Taxonomy is a science that deals with – A. Morphology B. Anatomy C. Classification D. Economic uses Ans: Classification Explanation : Taxonomy is the academic discipline of defining groups of biological organisms on the basis of shared characteristics and giving names to those groups. Each group is given a rank and groups of a […]

[1] Genes are not found in pairs – A. in body cells B. in ovary after fertilization C. in gametes D. in zygotes Ans: in gametes Explanation : Genes are a part of the chromosome and are found in pairs in somatic cells. One member of the gene pair segregates into a gamete, thus each […]

[1] Generally insects respire through – A. Skin B. Gill C. Lung D. Spiracle Ans: Spiracle Explanation : Air enters the respiratory systems of insects through a series of external openings called spiracles. These external openings, which act as muscular valves in some insects, lead to the internal respiratory system, a densely networked array of […]

[1] Reflex actions are controlled by – A. the Brain B. the Spinal Chord C. the Nerves D. the Cells Ans: the Spinal Chord Explanation : Reflex actions are automatic, rapid and spontaneous and we do not have control over such actions. These are controlled by the spinal cord. They are not controlled by the […]

[1] is called as ‘Father of Genetics’. A. Charles Darwin B. Hugo de Vries C. Gregor Johann Mendel D. Jean Baptiste Lamarck Ans: Gregor Johann Mendel Explanation : Gregor Mendel: the ‘father of genetics’ In the 19th century, it was commonly believed that an organism’s traits were passed on to offspring in a blend of […]

[1] Which of the following snakes killed for its beautiful skin has been declared an endangered species? A. Python B. King Cobra C. Russel’s Viper D. Krait Ans: Russel’s Viper Explanation : Russell’s Vipers are highly venomous terrestrial snakes found in India which are known for their dark brown spots and lustrous skin. Russell’s Vipers […]

[1] The process of preventing the birds from flying is called – A. brailing B. debeaking C. dubbing D. pecking Ans: brailing Explanation : Brailing is the practice of preventing a bird from flying by tying the wing so that it is impossible for the bird to open it fully. The brail is a clear […]