Life Sciences
GATE XL topic:development-biology PYQs
Build your understanding with focused practice from past exam papers.
Questions 11–13 of 13. Imported answers require independent review unless marked reviewed.
Question 7
Open questionXL-TMCQ1 markNeeds review
Cardiac and cerebral tissues are derived from the following germ layers respectively
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Open questionXL-TMCQ2 marksNeeds review
In an experiment, nucleus from a Drosophila oocyte was transplanted into the anterior part of another oocyte, at a region opposite to the existing nucleus. Which ONE of the following phenotypes will the developing egg show?
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 93
Open questionXL-TMCQ2 marksNeeds review
MATCH the signaling pathways in Group I with their functions in Group II, during the process of development
Group I
P. Hedgehog signaling
Q. Hox proteins
R. Wnt signaling
S. Notch signaling
Group II
(i) Involved in signaling at 4-cell embryo stage in C. elegans through glp 1 expression
(ii) Involves frizzled receptor on target cell membrane and establish polarity in insects
(iii) Plays critical role in facial morphogenesis in vertebrates and its mutation causes cyclopia
(iv) Required for T-bx transcription factor expression for vertebrate limb development
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