Chemical Coordination and Integration — Important Questions
CBSE · Class 11 · Biology
115 important questions from Chemical Coordination and Integration for CBSE Class 11 Biology, with answers. Part of the CBSE Class 11 Biology syllabus.
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Important Questions from Chemical Coordination and Integration
Which hormone stimulates milk production?
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Prolactin
Prolactin regulates the growth of mammary glands and formation of milk.
Which gland plays a major role in immune system development?
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Thymus
The thymus gland secretes thymosins, which help in the differentiation of T-lymphocytes and provide cell-mediated immunity.
Which hormone increases blood calcium levels?
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Parathyroid Hormone (PTH)
PTH increases calcium levels in the blood by stimulating bone resorption and calcium reabsorption in kidneys.
Which hormone helps maintain pregnancy?
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Progesterone
Progesterone supports pregnancy and helps prepare the uterus for potential embryo implantation.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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