Biology - General Science quiz 4

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Biology - General Science Online Quiz 4

Biology - General Science quiz 4 is a free online quiz challenge under Biology - General Science category. There are 434 free online quiz challenges available in General Science category

Assertion (A) Each conservator is composed of macromolecules.Reason (R) It was the first living cell.

Assertion (A) Pearl is produced form bivalves or gastropods under controlled conditions.Reason (R) Pearl is made up of magnesium carbonate.

Assertion (A) India is one of the leading fishing countries in the world.Reason (R) India has long coastline and large fish eating population.

Assertion (A)  Atavism is the reappearance of is reappeared ancestral characters.Reason (R) Third molars and hair on body are examples of atavism.

Assertion (A) Malaria is always associated with anaemia.Reason (R) Release of merozoites and an antibody produce by Plasmodium cause whole some destruction of RBCs.

Assertion (A) All the proteins in our food are digested in small intestine only.Reason (R) The protein digesting enzyme form pancreas are released into small intestine.

Assertion (A) In angiosperms, the conduction of water is more efficient because their xylem has vessels.Reason (R) Conduction of water by vessel elements is an active process in which energy is supplied by xylem parenchyma rich in mitochondria.

Assertion (A) Mendel worked on garden pea (Pisum sativum).Reason (R) Garden pea belongs to family-Malvaceae.

Assertion (A) DNA fingerprinting has become a powerful total to establish paternity and identity of criminal in rape and assault cases.Reason (R) Trace evidences such as hari, saliva and dried semen are adequate for DNA analysis.

Assertion (A) Haemophilia never occurs to women.Reason (R) Gene for haemophilia are found in X-chromosomes.

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