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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Which of the following hormones is not secreted by human placenta? - Biology

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प्रश्न

Which of the following hormones is not secreted by human placenta?

पर्याय

  • LH

  • Progesterone

  • Estrogens

  • hCG

MCQ
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उत्तर

LH

Explanation:

The placenta secretes hCG, estrogens, and progesterone, but LH is secreted by the anterior pituitary gland, not the placenta.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Human Reproduction - MULTIPLE CHOICE QUESTIONS [पृष्ठ १९]

APPEARS IN

एनसीईआरटी एक्झांप्लर Biology [English] Class 12
पाठ 3 Human Reproduction
MULTIPLE CHOICE QUESTIONS | Q 13. | पृष्ठ १९
नूतन Biology [English] Class 12 ISC
पाठ 3 Human Reproduction
TEST YOUR PROGRESS | Q 1. 104. | पृष्ठ १०९

संबंधित प्रश्‍न

Comment on the role of placenta as an endocrine gland.


Medically it is advised to all young mothers that breast-feeding is the best for their newborn babies. Do you agree? Give reasons in support of your answer.


Gonads develop from embryonic ______.


Eye lens is formed from ______.


The first movements of the foetus and appearance of hair on its head are usually observed during which month of pregnancy?


Urine test during pregnancy determines the presence of ______.


Which of the following statements are correct with respect to hormones secreted by the placenta?

  1. The placenta secretes relaxin during the later stage of pregnancy.
  2. The placenta secretes a high amount of FSH during pregnancy.
  3. The placenta secretes relaxin during the initial stage of pregnancy.
  4. The placenta secretes hCG and hPL during pregnancy.

To answer the question, study the graphs below for Subjects 1 and 2 showing different levels of certain hormones.

Subject 2 has a higher level of hormone B, which is ______


Which of the following is not a function of the placenta?


Several hormones like HCG, HPL estrogen, and progesterone are produced by ______.


Placenta is


Except endocrine function, what are the other functions of placenta.


Assertion: Functional ADA cDNA genes must be inserted in the lymphocytes at the early embryonic stage.

Reason: Cells in the embryonic stage are mortal, differentiated and easy to manipulate.


Draw a diagram showing human foetus within the uterus and label any four, parts in it.


Name the type of antibody that can be transferred through the placenta.


Match the columns I and II with reference to weeks of pregnancy and the development of a human embryo. Select the correct option from the choices given below:

  Column I   Column II
I. 8 weeks (P) Limbs and external genital organs
II. 12 weeks (Q) Limbs and digits develop.
III. 20 weeks (R) Body hair develops.
IV. 24 weeks (S) Eyelids separate.

During embryogenesis in dicots, the zygote divides into a basal cell and a terminal cell. The basal cell divides repeatedly to produce a structure called suspensor. Carefully observe the image given below and describe the function of cell – A and cell – B of the suspensor.

Zygote


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