Sunday, February 2, 2014

Class 10 - Biology - How do Organisms Reproduce? (Fill In Blanks)

Class 10 - Biology - How do Organisms Reproduce? 
Class 10 - Biology - How do Organisms Reproduce?
Cross-section of Flower
credits: clker.com
Fill in the Blanks

[Asexual Reproduction in Plants]

1. The ability of plant cells to give rise to whole plant is called as ____.

2. In Asexual reproduction the gametes are ______ (formed/not formed).

3. In yeasts, ____ is the most common type of asexual reproduction.

4. In grafting, the union occurs through formation of ____ between the two grafts.

5. The process of formation of spores is called ____.

6. Asexual reproduction method in spirogyra is called _______.

7. Orchids and Ornamental Plants are generally reprodued asexually. One of the common vegetative propagation technique used for these plants is _______.

[Sexual Reproduction in Plants]


8. Plants like Hibiscus and mustard have ________ (bisexual/unisexual) flowers.

9. In sexual reproduction, the male and female gametes fuse together and form a ____.

10. Ovule develops from a cushion like part of the ovary ____.

11. Pollen grains of a flower transfer to the stigma of the carpel of the same flower is called ____.

12. Fertilization occurs ________ (inside/outside) the ovary.

13. Ovary grows rapidly and ripens to forms a fruit, while the seed contains the future plant or embryo which develops into a seedling under suitable condition. This process is known as __________.

[Sexual Reproduction in Animals]

14. The male gametes are called _______

15. The zygote undergoes multiple divisions, which are _____ (mitotic/meiotic) type.

16: Earthworm is an organism of ____________ type i.e. it contains reproductive organs of both male and female genders.

17: In male frog, thousands of spermatozoa are discharged in a group, which is called as ____.

[Human Reproductive System]

18. The period of sexual maturation is called ________

19. The male hormone secreted by testes to regulate production of sperms is called ______

20. The gestation period in human beings is _____.

21. Two Fallopian tube unite into an elastic bag like structure known as ___________.

22. Fertilization occurs in the ________(ovary/ Fallopian tube) of female genital tract.

23. The Embryo gets nutrition from the mother's blood with the help of a
special tissue called ________

24. The stage which marks the end of menstruation in the woman is called _________.

25. Female sex hormones are _____ and ____________ which are produced in ovary.

26. Surgical methods of contraception are ________ and __________.


Answers:
1: Totipotency
2: not formed
3: budding
4: parents
5: sporulation
6: fragmentation
7: tissue culture
8: bisexual
9: zygote
10. placenta
11. self pollination
12. inside
13. Germination
14: sperms
15: mitotic
16: hermaphrodite
17: Milt
18: puberty.
19: testosterone
20: 40 weeks
21: uterus
22: fallopian tube
23: placenta
24: menupause
25: oestrogen, progesterone
26: vasectomy and tubectomy


No comments:

Post a Comment