Advertisements
Advertisements
‘There is a hole in the ozone layer’. What do you understand by this?
Concept: undefined >> undefined
The depletion of the ozone layer is due to ______.
Concept: undefined >> undefined
Advertisements
Very short answer question.
Give symptoms of the disease caused by hyposecretion of ADH.
Concept: undefined >> undefined
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?
Concept: undefined >> undefined
Short Answer Question:
Write a note on Human genome project (HGP).
Concept: undefined >> undefined
Very short answer type question
Where was the ozone hole discovered?
Concept: undefined >> undefined
Long answer type question
Montreal protocol is an essential step. Why is it so?
Concept: undefined >> undefined
Describe any three functions of hypothalamus.
Concept: undefined >> undefined
Explain the structure of secondary oocyte.
Concept: undefined >> undefined
Describe the process of oogenesis in human female.
Concept: undefined >> undefined
Describe the process of spermatogenesis with the help of diagram.
Concept: undefined >> undefined
Select the correct sequence of stages of spermatogenesis in a human male ______.
Concept: undefined >> undefined
Write the aims of the human genome project.
Concept: undefined >> undefined
______ was signed in 1987 to control emission of ozone depleting substances.
Concept: undefined >> undefined
In spermatogenesis, at the end of the first meiotic division ______ are formed.
Concept: undefined >> undefined
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. |
Concept: undefined >> undefined
Draw a neat and labelled diagram of spermatogenesis.
Concept: undefined >> undefined
World Ozone day is celebrated on ______.
Concept: undefined >> undefined
Name the germinal layers from which the following organs develop: Tongue, heart, sweat glands, vagina, mammary glands, kidney.
Concept: undefined >> undefined
Sketch and label the process of oogenesis.
Concept: undefined >> undefined
