11. Two species occupying same or overlapping area are
12. The ecosystem of a pond is referred as
13. Which of the following systems in man is affected by the bite of cobra ?
14. ________ is a thyroid hormone which controls the balance of calcium in the body.
15. Which of the following is known as master gland in man?
16. What is the effect of oversecretion of hormone from pituitary gland?
17. Which of the following is not a gland?
18. Oxytocin hormone is secreted by gland
19. Enlargment of _______ gland takes place due to deficiency of iodine
20. Which one of following is not a endocrine gland?
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