Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEET 2011
Exam
NEET
Year
2011
Subject
Botany
Chapter
Sexual Reproduction in Flowering Plants

NEET 2011 · Botany · Sexual Reproduction in Flowering Plants

What would be the number of chromosomes of the aleurone cells of a...

What would be the number of chromosomes of the aleurone cells of a plant with 42 chromosomes in its root tip cells?

Options

  1. A63
  2. B84
  3. C21
  4. D42

Correct answer

A. 63

Step-by-step solution

The outermost cell layer of the endosperm (3n) of seed is called aleurone layer. Since the cells of aleurone layer are triploid, the number of chromosomes would be 422×3=21×3=63\frac{42}{2} \times 3=21 \times 3=63, root tip cells ( 2n2 n ) has 42 chromosomes.
Practice Sexual Reproduction in Flowering Plants on Quantrex Academy →

More from Sexual Reproduction in Flowering Plants

How many theca are present in each lobe of a typical bilobed angiosperm anther ? NEET 2026Which of the following in female gametophyte of an angiosperm helps in guiding the pollen… NEET 2026Which of the following plant produces non-albuminous seeds ? NEET 2026Arrange the following in the correct development sequence related to microsporogenesis… NEET 2026Which one of the following types of pollination brings genetically different types of… NEET 2026If the diploid chromosome number of typical angiosperm is 36 , what would be the… NEET 2026Which one of the following is a triploid cell ? NEET 2026Given below are two statements: One is labelled as Assertion (A) and the other is… NEET 2025 Full Sexual Reproduction in Flowering Plants list All NEET PYQs