Assertion (A) : The embryo gets nutrition from the mother's blood with the help of a special tissue called placenta.
Reason (R) : Placenta is a disc which is embedded in the uterine wall.
Assertion (A) : The embryo gets nutrition from the mother's blood with the help of a special tissue called placenta.
Reason (R) : Placenta is a disc which is embedded in the uterine wall.
Options
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
Marking Scheme
- 11 mark
Hint
Recall the functions of the placenta in human reproduction.
Quick Oral Answer
The placenta is a special tissue that helps the embryo get nutrition from the mother's blood.
Analysis & Explanation
The assertion states that the embryo gets nutrition from the mother's blood with the help of a special tissue called placenta. The reason explains that the placenta is a disc which is embedded in the uterine wall, which is true and correctly explains the assertion.
Common Mistakes
- 1confusing the functions of the placenta
Interesting Facts
The placenta also produces hormones that help maintain pregnancy.
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Frequently Asked Questions
How many marks does this question carry in CBSE Class 10 Science 2025?
This question carries 1 mark in the CBSE Class 10 Science 2025 examination.
Which chapter does this question come from in Science?
This question is from the chapter "How do Organisms Reproduce?" in the CBSE Class 10 Science syllabus.
What topic does this question cover in Science?
This question covers the topic "Human Reproduction" from CBSE Class 10 Science.
What type of question is this in the CBSE Class 10 Science 2025 paper?
This is a MCQ question from Section A in the CBSE Class 10 Science 2025 paper.