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Previous year question hub

Development Biology - Life Sciences Previous Year Questions

Practice Development Biology - Life Sciences previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

16Papers
16Years
30Questions
1Topics

Development Biology question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Development Biology. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 15 50%
Medium 13 43.3%
Hard 2 6.7%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

MCQ 27 90%
MSQ 3 10%

Subject weightage

Top subjects by unique question coverage.

Life Sciences
30 Qs

Most asked topics

Top topics across the included previous year papers.

Development Biology
30 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Differentiation, Organogenesis and Stem Cells
18 Qs
Gametogenesis and Embryonic Development
12 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

Life Sciences (XL) 2025
2 Qs
Life Sciences (XL) 2024
2 Qs
Life Sciences (XL) 2023
2 Qs
Life Sciences (XL) 2021
2 Qs
Life Sciences (XL) 2019
1 Qs
Life Sciences (XL) 2018
1 Qs
Life Sciences (XL) 2017
1 Qs
Life Sciences (XL) 2016
4 Qs
Life Sciences (XL) 2015
2 Qs
Life Sciences (XL) 2014
2 Qs
Life Sciences (XL) 2013
1 Qs
Life Sciences (XL) 2012
1 Qs
Life Sciences (XL) 2011
2 Qs
Life Sciences (XL) 2010
2 Qs
Life Sciences (XL) 2009
2 Qs
Life Sciences (XL) 2007
3 Qs

Browse by subtopics

Open a focused page built from the same verified paper data.

Differentiation, Organogenesis and Stem Cells

Explore previous-paper coverage, trends and focused practice for Differentiation, Organogenesis and Stem Cells.

18 questions13 papers13 years

Gametogenesis and Embryonic Development

Explore previous-paper coverage, trends and focused practice for Gametogenesis and Embryonic Development.

12 questions8 papers8 years

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
Life Sciences (XL) 202520252View paper
Life Sciences (XL) 202420242View paper
Life Sciences (XL) 202320232View paper
Life Sciences (XL) 202120212View paper
Life Sciences (XL) 201920191View paper
Life Sciences (XL) 201820181View paper
Life Sciences (XL) 201720171View paper
Life Sciences (XL) 201620164View paper
Life Sciences (XL) 201520152View paper
Life Sciences (XL) 201420142View paper
Life Sciences (XL) 201320131View paper
Life Sciences (XL) 201220121View paper
Life Sciences (XL) 201120112View paper
Life Sciences (XL) 201020102View paper
Life Sciences (XL) 200920092View paper
Life Sciences (XL) 200720073View paper

Sample previous year questions

A varied preview from the papers represented in this selection, with every available option.

1
2007 · Life Sciences · Development Biology · Gametogenesis and Embryonic Development
Life Sciences (XL) 2007

Acrosome present on the sperm head is derived from

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2
2009 · Life Sciences · Development Biology · Differentiation, Organogenesis and Stem Cells
Life Sciences (XL) 2009
Which of the following is NOT a somite derivative ?
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3
2010 · Life Sciences · Development Biology · Differentiation, Organogenesis and Stem Cells
Life Sciences (XL) 2010

In the context of cell differentiation, lateral inhibition is referred to as the

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4
2011 · Life Sciences · Development Biology · Differentiation, Organogenesis and Stem Cells
Life Sciences (XL) 2011
Extraembryonic tissues are derived from which one of the following?
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5
2012 · Life Sciences · Development Biology · Differentiation, Organogenesis and Stem Cells
Life Sciences (XL) 2012
Zygotic genes required for the formation of a group of adjacent segment in the developing Drosophila embryo is called
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6
2013 · Life Sciences · Development Biology · Differentiation, Organogenesis and Stem Cells
Life Sciences (XL) 2013
Which one of the following defects do you expect to see if you were able to specifically block apoptosis in the developing limb bud of a frog embryo?
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