Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

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31.

Aristotle's lentern is

  • pedicellariae in Pycnopodia

  • arval form in Antedon

  • pressure equalisation plate in Asterias

  • masticatory organ in the digestive tract of sea urchin


D.

masticatory organ in the digestive tract of sea urchin

Aristotle's lantern is a masticatory organ found in the digestive tract of sea urchin. It is made up of five ossicles, which in tum are made up of 250 skeletal elements.


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32.

Study the following Coloumns and match correctly.

Column I Column II
A. Siphonogamy and  zooidogamy 1. Amphibians of plant kingdom
B. Living fossil 2. Arachis
C. Liverworts 3. Ginkgo
D. Double fertilisation

4. Cycas

5. Laminaria

The correct answer is

  • A - 4; B - 5; C - 2; D - 1

  • A - 2; B - 4; C - 1; D - 3

  • A - 4; B - 3; C - 2; D - 1

  • A - 4; B - 3; C - 1; D - 2


33.

Heterocysts in Anabaena is helpful in

  • secondary growth

  • nitrogen-fixation

  • ion uptake

  • gaseous exchange


34.

Statement I - Virus free plant can be produced from virus infected plant by means of meristem culture.

Statement II - Virus fails to grow during the growth of host tissues in the artificial medium.

  • Statement I is correct, but Statement II is incorrect

  • Statement II is correct, but Statement I is incorrect.

  • Both Statement are correct

  • Both statements are incorrect


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35.

Identify the correct sequence of taxonomic hierarchial arrangement in ascending order of the following.

  • Spermatophyta, Dicotyledons, Sapindales, Anacardiaceae, Mangifera

  • Mangifera, Dicotyledons, Anacardiaceae, Spermatophyta, Sapindales

  • Mangifera, Anacardiaceae, Sapindales, Dicotyledons, Spermatophyta

  • Dicotyledons, Anacardiaceae, Sapindales, Spermatophyta, Magnifera


36.

Identify the correct pair of combinations

I. Schwann - Omnis cellula-e-cellula

II. Ochoa - Polynucleotide phosphorylase

III. Taylor - Semiconservative replication of DNA

IV. Flemming - Ribosomes

  • II, III

  • III, IV

  • II, IV

  • I, III


37.

Arrange the following plants in descending order based on the number of locules in their ovaries.

I. Anacardium

II. Citrus

III. Asparagus

IV. Solanum

  • II, III, IV, I

  • III, I, IV, II

  • IV, III, I, II

  • I, IV, III, I


38.

A plant with bulb, trimerous flowers, 6 stamens in two whorls belongs to a specific class in Bentham and Hooker's classification. The number of natural orders present in that class is

  • 3

  • 34

  • 165

  • 202


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39.

Study the following Columns.

Column I Column II
A. Strobilanthus 1. Tiger claw plant
B. Martynia 2. Century plant
C. Lodoecia 3. Neelakuranji
D. Viola

4. Common pansy

5. Double coconut

  • A - 2; B - 3; C - 1; D - 5

  • A - 3; B - 2; C - 4; D - 5

  • A - 2; B - 1; C - 3; D - 5

  • A - 3; B - 1; C - 5; D - 4


40.

Study the following combinations.

I. Cymose infloresence - Epipetalous - Solanum

II. Homochlamydeous - Polyandrous - Allium

III. Axile placentation - Radical leaves - Smilax

IV. Zygomorphic - Deadelphous - Butea

The correct combination is

  • I, II

  • II, IV

  • I, IV

  • III, IV


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