Sunday, November 20, 2016

Class 10 - Biology - How Do Organisms Reproduce? - Worksheet

Reproduction 


Longitudinal Section of a Bisexual Flower
Label the parts of the flowers (answer given in this post)
image credits: wikimedia

Worksheet


Fill in the blanks


1. In _________, many bacteria and protozoa simply divide into two or more daughter cells.


2. __________ is associated with the stability of population of species.


3. The fertilized egg gets implanted in the lining of the ________.


4. In mammals, the embryo gets nutrition from the mother’s blood with the help of a special tissue called _________.




5. In vegetative propagation plants produced are __________ similar to parents.


6. DNA copying mechanisms creates _________ which are useful for ensuring the survival of the species.


7. ________ is present in the centre of a flower and is the ________ reproductive part.


8. The transfer of pollen grains from the anther to the stigma which is referred to as _________.


9. In human females, an event that reflects onset of reproductive phase is called _________.


10. The sperms formed are delivered through _________.


11. __________ is the male reproductive part and it produces pollen grains that are yellowish in colour.


12. In human male, the ________  gland produces a milky white, alkaline fluid that contributes the bulk of the semen.


13. ____________ is the period during which humans become sexually mature.


14. Sperms are _________ cells while other cells of human body are _________. (diploid, haploid)


15. The ___________parts of angiosperms are located on the ___________.



Answers:
1: fission
2: Reproduction
3: uterus
4: placenta
5: genetically
6: variations
7: Carpel, female
8: pollination
9: puberty/menstruation
10: vas deferens
11: Stamen
12: prostate
13: Puberty
14: haploid, diploid
15: reproductive, flower


In the above show figure, Flower Parts Labelled as:
Anther
Filament
Petal
Stigma
Style
Sepal
Ovule
Receptacle

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