Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

31.

Assertion : Insulin is antagonistic to glucagon.

Reason : It is an anabolic hormone.

  • If both assertion and reason are true and reason is the correct explanation of assertion.

  • If both assertion and reason are true but reason is not the correct explanation of assertion.

  • If assertion is true but reason is false.

  • If both assertion and reason are false.


32.

Assertion : Auditory ossicles are small bones present in the cavity of inner ear.

Reason : Auditory ossicles maintain the balance of air pressure between two sides of ear drum.

  • If both assertion and reason are true and reason is the correct explanation of assertion.

  • If both assertion and reason are true but reason is not the correct explanation of assertion.

  • If assertion is true but reason is false

  • If both assertion and reason are false.


33.

Assertion : Pharyngeal nephridia play a role in the conservation of water in the earthworm.

Reason : They help the earthworm in keeping the skin moist for cutaneous respiration.

  • If both assertion and reason are true and reason is the correct explanation of assertion

  • If both assertion and reason are true but reason is not the correct explanation of assertion.

  • If assertion is true but reason is false.

  • If both assertion and reason are false.


34.

Assertion : Pantothenic acid deficiency is probably the most common vitamin deficiency.

Reason : Macrocytic anaemia is a characteristic feature of pantothenic acid deficiency.

  • If both assertion and reason are true and reason is the correct explanation of assertion

  • If both assertion and reason are true but reason is not the correct explanation of assertion.

  • If assertion is true but reason is false.

  • If both assertion and reason are false


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35.

What does 'T' stands for in DPT vaccine?

  • Tuberculosis

  • Typhoid

  • Trachoma

  • Tetanus


D.

Tetanus

DPT vaccine is a combined vaccine against diphtheria, whooping cough (pertussis), and tetanus now replaced by the DTaP/ IPY/ Hib and DTaP/ IPV vaccines.


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36.

Which of the following has highest diversity in India?

  • Mango

  • Dolphin

  • Tiger

  • Orchids


37.

Which of the following disorders are caused due to recessive autosomal mutations?

  • Turner"s syndrome and sickle cell anaemia

  • Edward's syndrome and Down's syndrome

  • Cystic fibrosis and phenylketonuria

  • Alzheimer's disease and Huntington's chorea


38.

Which one is correct?

  • Salmonella typhi and Haemophilus influenzae cause pneumonia

  • Widal test is done for malaria

  • Entamoeba histolytica causes amoebiasis

  • Wuchereria causes enterobiasis


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39.

What is the Greek word for ecology?

  • Ethology

  • Oekologie

  • Synecology

  • Hexicology


40.

Which of the following is correct regarding genetic code?

  • UUU is the initiation codon which also codes for phenylalanine.

  • There are 64 triplet codons and only 20 amino acids

  • Three random nitrogen bases specify the placement of one amino acid

  • UAA is the nonsense codon which also codes for methionine


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