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


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


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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


C.

Entamoeba histolytica causes amoebiasis

Entamoeba histolytica is a protozoan parasite in the large intestine of human which causes amoebiasis (amoebic dysentery).

Streptococcus pneumoniae and Haemophilus influenzae are responsible for the disease pneumonia in humans which infects the alveoli (air filled sacs) of the lungs.

Plasmodium, a tiny protozoan is responsible for malaria. Typhoid fever could be confirmed by Widal test.

Wuchereria (W. bancrofti and W. malayi), the filarial worms cause a slowly developing chronic inflammation of the organs in which they live for many years, usually the lymphatic vessels of the lower limbs and the disease is called elephantiasis or filariasis.


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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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