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NEET - 2019 Previous Year Questions



NEET Biology Previous Year Questions - 2019

Select correctly written scientific name of Mango which was first described by Carolus Linnaeus:

NEET-2019 [The-living-World] [class-xi ]

  • Mangifera indica Car. Linn.
  • Mangifera indica Linn.
  • Mangifera indica
  • Mangifera Indica
  • Correct Option: B  [ Mangifera indica Linn. ]

    Remark:

Which of the following statements is incorrect ?

NEET-2019 [Biological-Classification] [class-xi ]

  • Viroids lack a protein coat
  • Infective constituent in viruses is the protein coat
  • Viruses are obligate parasites
  • Prions consist of abnormally folded proteins
  • Correct Option: B  [ Infective constituent in viruses is the protein coat ]

    Remark:

Match the following organisms with their respective characteristics:

(A)Pila (I)Flame cells
(B)Bombyx (II)Comb plates
(C)Pleurobrachia (III)Radula
(D)Taenia (IV)Malpighian tubules
Select the correct option from the following:

NEET-2019 [Animal-Kingdom] [class-xi ]

  • (A)-(III), (B)-(II), (C)-(I), (D)-(IV)
  • (A)-(III), (B)-(II), (C)-(IV), (D)-(I)
  • (A)-(II), (B)-(IV), (C)-(III), (D)-(I)
  • (A)-(III), (B)-(IV), (C)-(II), (D)-(I)
  • Correct Option: D  [ (A)-(III), (B)-(IV), (C)-(II), (D)-(I) ]

    Remark:

Consider following features:
(A) Organ system level of organisation
(B) Bilateral symmetry
(C) True coelomates with segmentation of body
Select the correct option of animal groups which possess all the above characteristics.

NEET-2019 [Animal-Kingdom] [class-xi ]

  • Annelida, Arthropoda and Mollusca
  • Annelida, Arthropoda and Chordata
  • Arthropoda , Mollusca and Chordata
  • Annelida, Mollusca and Chordata
  • Correct Option: B  [ Annelida, Arthropoda and Chordata ]

    Remark:

Placentation in which ovules develop on the inner wall of the ovary or in peripheral part, is:

NEET-2019 [Morphology-of-Flowering-Plants] [class-xi ]

  • Basal
  • Free central
  • Axile
  • Parietal
  • Correct Option: D  [ Parietal ]

    Remark:

Persistent nucellus in the seed is known as:

NEET-2019 [Morphology-of-Flowering-Plants] [class-xi ]

  • Perisperm
  • Chalaza
  • Hilum
  • Tegmen
  • Correct Option: A  [ Perisperm ]

    Remark:

Which of the statements given below is not true about formation of Annual Rings in trees?

NEET-2019 [Anatomy-of-Flowering-Plants] [class-xi ]

  • Annual ring is a combination of spring wood and autumn wood produced in a year.
  • Differential activity of cambium causes light and dark bands of tissue - early and late wood respectively
  • Annual rings are not prominent in trees of temperate region.
  • Activity of cambium depends upon variation in climate.
  • Correct Option: C  [ Annual rings are not prominent in trees of temperate region. ]

    Remark:

The ciliated epithelial cells are required to move particles or mucus in a specific direction. In humans, these cells are mainly present in:

NEET-2019 [Structural-Organisation-in-Animals] [class-xi ]

  • Bronchioles and Fallopian tubes
  • Bile duct and Bronchioles
  • Fallopian tubes and Pancreatic duct
  • Eustachian tube and Salivary duct
  • Correct Option: A  [ Bronchioles and Fallopian tubes ]

    Remark:

Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth:

NEET-2019 [Structural-Organisation-in-Animals] [class-xi ]

  • Pharynx → Oesophagus → Gizzard → Crop → Ileum → Colon → Rectum
  • Pharynx → Oesophagus → Gizzard → Ileum → Crop → Colon → Rectum
  • Pharynx → Oesophagus → Ileum → Crop → Gizzard → Colon → Rectum
  • Pharynx → Oesophagus → Crop → Gizzard → Ileum → Colon → Rectum
  • Correct Option: D  [ Pharynx → Oesophagus → Crop → Gizzard → Ileum → Colon → Rectum ]

    Remark:

The concept of "Omnis cellula-e cellula" regarding cell division was first proposed by:

NEET-2019 [cell-the-unit-of-life] [class-xi ]

  • Theodore Schwann
  • Schleiden
  • Rudolf Virchow
  • Aristotle
  • Correct Option: C  [ Rudolf Virchow ]

    Remark: