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Assertion Reason Test: Plant Kingdom - NEET MCQ


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10 Questions MCQ Test - Assertion Reason Test: Plant Kingdom

Assertion Reason Test: Plant Kingdom for NEET 2024 is part of NEET preparation. The Assertion Reason Test: Plant Kingdom questions and answers have been prepared according to the NEET exam syllabus.The Assertion Reason Test: Plant Kingdom MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Assertion Reason Test: Plant Kingdom below.
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Assertion Reason Test: Plant Kingdom - Question 1

A: Thallophytes are non-vascular, non-archegoniate and non-cormophytic plants.

R: Thallophytes lack vascular bundles, archegonia and differentiated plant body.

Detailed Solution for Assertion Reason Test: Plant Kingdom - Question 1
Assertion and Reason both are correct, and reason has the correct explanation.

Assertion Reason Test: Plant Kingdom - Question 2

A: Funaria archegonium has maximum concentration of sucrose at the tip of the neck.

R: Male gametes show chemotropic movement.

Detailed Solution for Assertion Reason Test: Plant Kingdom - Question 2
Male gametes show chemotactic movement

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Assertion Reason Test: Plant Kingdom - Question 3

A: Pyrenoids may or may not be surrounded by a sheath of starch plates in algae.

R: In higher plants, these are replaced by amyloplasts.

Detailed Solution for Assertion Reason Test: Plant Kingdom - Question 3
Assertion and Reason both are correct.

Assertion Reason Test: Plant Kingdom - Question 4

A: Seeds are formed by some species of spike moss.

R: These species of spike moss fulfil all conditions for seed habit.

Detailed Solution for Assertion Reason Test: Plant Kingdom - Question 4
Seeds are not formed in pteridophytes

Assertion Reason Test: Plant Kingdom - Question 5

A: Endosperm in Cycas is haploid in nature.

R: Cycas roots show association with oxyphoto -bacteria.

Detailed Solution for Assertion Reason Test: Plant Kingdom - Question 5
Both Assertion and Reason are correct.

Assertion Reason Test: Plant Kingdom - Question 6

A: Sexual reproduction shows considerable variation in the type and formation of sex cells in members of chlorophyceae.

R: It may be isogamous, anisogamous and oogamous.

Detailed Solution for Assertion Reason Test: Plant Kingdom - Question 6
Assertion and Reason both are correct, and Reason has the correct explanation.

Assertion Reason Test: Plant Kingdom - Question 7

A: In mosses, the second stage of gametophyte consists of upright, slender axes bearing spirally arranged leaves.

R: This stage of gametophyte consists of sex organs.

Detailed Solution for Assertion Reason Test: Plant Kingdom - Question 7
Assertion & Reason both are correct.

Assertion Reason Test: Plant Kingdom - Question 8

A: Events precursor to the seed habit is seen in some members of pteridophytes.

R: Development of the zygotes into young embryos take place within the female gametophyte.

Detailed Solution for Assertion Reason Test: Plant Kingdom - Question 8
Reason has the correct explanation of assertion.

Assertion Reason Test: Plant Kingdom - Question 9

A: Different plant groups show different patterns of life cycles.

R: During life cycle, there is an alternation of generation between diploid gametophyte and haploid sporophyte.

Detailed Solution for Assertion Reason Test: Plant Kingdom - Question 9
Cycle of alternation of generation between haploid gametophyte & diploid sporophyte.

Assertion Reason Test: Plant Kingdom - Question 10

A: Microspores and megaspores are produced in the same lax in gymnosperms.

R: Lax represents compact strobilus which bears microsporophyll and megasporophyll.

Detailed Solution for Assertion Reason Test: Plant Kingdom - Question 10
Gymnosperms are mostly monoecious.

Exception - Cycas

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