Please select a subject first
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‘There is a hole in the ozone layer’. What do you understand by this?
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The depletion of the ozone layer is due to ______.
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Very short answer question.
Give symptoms of the disease caused by hyposecretion of ADH.
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Multiple choice question.
The given figure shows human sperm. Various parts of it are labelled as A, B, C, and D. Which labelled part represents acrosome?
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Short Answer Question:
Write a note on Human genome project (HGP).
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Very short answer type question
Where was the ozone hole discovered?
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Long answer type question
Montreal protocol is an essential step. Why is it so?
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Describe any three functions of hypothalamus.
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Explain the structure of secondary oocyte.
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Describe the process of oogenesis in human female.
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Describe the process of spermatogenesis with the help of diagram.
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Select the correct sequence of stages of spermatogenesis in a human male ______.
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Write the aims of the human genome project.
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______ was signed in 1987 to control emission of ozone depleting substances.
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In spermatogenesis, at the end of the first meiotic division ______ are formed.
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Complete the chart:
| S. No. | Gland | Hormone produced | Effect |
| (i) | Hypothalamus | ______ | Acts on kidneys, stimulates reabsorption of water. |
| (ii) | ______ | Somatotropin | Stimulates growth and development of all tissues |
| (iii) | Thyroid gland | ______ | Regulates basal metabolic rate. |
| (iv) | ______ | Thymosin | Maturation of T-lymphocytes. |
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Draw a neat and labelled diagram of spermatogenesis.
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World Ozone day is celebrated on ______.
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Name the germinal layers from which the following organs develop: Tongue, heart, sweat glands, vagina, mammary glands, kidney.
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Sketch and label the process of oogenesis.
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