Biology-9
1. What is the reproduction process called where only one parent is involved ?- Asexual Reproduction
2. What is the reproduction process called where two parents are involved ?- Sexual Reproduction. Fusion of gametes take place here.
3. Examples of Fission (asexual) reproduction : Amoeba , Bacteria
4. Examples of the Budding (asexual ) reproduction : Yeast , Sponge
5. Examples of Syngamy ( sexual ) reproduction : Cockroach , Frog and Human Being
6. Important Organs of the Male Reproductive System :
· Testes
· Sperm Duct
· Urethra
· Prostate Gland
· Cowper’s Gland
7. At what age male can produce spermatozoa ( sperm ) ?- 13-14 years
8. Hairs on the body of the male are the outcome ________. – Hormones
9. What is the name of the sperm carrying duct in the human beings ?- Vas Deferens
10. Important Organs of the Female Reproductive System :
· Ovaries
· Oviducts
· Uterus
· Vagina
· Fallopian Tubes
11. Within how many days the ovaries release the ovum (egg cell ) ?- 28 Days
12. ______ makes the connection between the developing embryo and mother ? – Placenta
13. The embryo in human beings develops in nine months. This period is known as _______ period.- Gestation
14. What is the process of nourishment of the child with mother’s milk called ?- Lactation
15. What is the first milk called that comes out of the mammary gland of mother after the child birth ?- Colostrum
16. What are the constituents of Colostrum ?- Protein , Antibody. Antibody grants immunity to the new born baby against various diseases .
17. What is the reproduction period in the females called ?- Menstrual Cycle
18. At what age female puberty (ability to bear child ) begins ?- 10-14 Years
19. At what age the female reproductive cycle stops ?- 40-50 Years
20. What is the release of the first menstrual flow or period called in females ?- Menarche
21. What is the stopping of female reproductive cycle called ?- Menopause
22. What is the periodic vaginal bleeding during the menstrual cycle called ?- Menstruation
23. How many mature eggs are released by women in a year ?- 13
24. Hormones that control the menstrual cycle :
· FSH
· LH
· Oestrogen
· Progestrogen
25. The prevention of the Union of Sperm and Ovum is called _______-Contraception
26. Under which test the sex and disorder of the foetus is tested ? - Aminocentesis
27. Gestation Period of Some Animals :
· Buffalo – 310 Days
· Elephant-610 Days
· Lion-120 Days
· Horse -340 Days
· Whale -365 Days
28 . What is system having the ductless gland called ?- Endocrine System
28. Different Types of Hormones of Endocrine System Called
· Steroids
· Peptides
· Amino Acid Derivatives
29. _______is a part of the forebrain and regulates the pituitary glands and maintains body temperature .- Hypothalamus
30. _______governs other endocrine glands like thyroid , adrenal and gonads. – Pituitary Gland / Hypophysis/ Master Gland
31.Which is the largest gland of the Endocrine System ?- Thyroid Gland. It is locked in the neck region.
32. What is the epithet used for the Thyroid Gland ?- Pace Setter of the Endocrine System
33. Which hormone is secreted by the Thyroid Gland ?
· Thyroxine
· Thyrocalcitonin
34. _______glands are glands that produce and secrete substances onto an epithelial surface by way of a duct and not the blood directly- Exocrine
35. _______glands are the glands that make and secrete them into the bloodstream through which they travel to affect distant organs- Endocrine
36. __________ is both an endocrine and exocrine gland ?- Pancreas
37. What is the endocrine part of Pancreas called ?- Islet of Langerhans
38. What are the cells that are produced by the Islet of Langerhans ?- Alpha cells , Beta Cells and Delta Cells
39. What is the main function of the Alpha cell in Pancreas ?- They secrete glucagon hormone which increase blood sugar level.
40. What is the main function of the Beta cell in Pancreas ?- They secrete insulin that decrease the amount of sugar in the blood.
41. What is the main function of the Delta cell in Pancreas ?- They secretes somatostatin hormone which is an anti-growth factor.
42. Which gland is known as Emergency Gland ?- Adrenal Gland
43. What are the two layers of the Adrenal Gland ?
· Cortex
· Medulla
44. What is the function of the Adrenal Gland in the body ?- It increases the blood glucose level , blood pressure and the cardiac output.
45. Where is the Pineal Gland situated ?- In the brain
46. What is the name given to the Pineal Gland ?- Clockwork Gland
47. What is the function of the Pineal Gland ?- It regulates ovaries and has an effect on the biological rhythm.
48. ________secretes steroid hormones ?- Gonads
49. What is the Ovarian Hormones called ?- Oestrogen.
50. What are the Testicular Hormones called ?- Androgens