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(a) Write the functions of the following parts in human female reproductive system: 1. Ovary
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1
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892
|
April 2, 2019
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1. Name the parts labelled as A,B, C and D in the diagram given below:
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1
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1576
|
April 2, 2019
|
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1. Write the name of the human male reproductive organ that produces sperms and secretes a hormone
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1
|
689
|
April 2, 2019
|
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(a) Name the respective part of human female reproductive system:
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1
|
792
|
April 2, 2019
|
|
1. Give one example each of a unisexual and a bisexual flower
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1
|
762
|
April 2, 2019
|
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(a) Identify A, B and C in the given diagram and write their functions
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1
|
1208
|
April 2, 2019
|
|
(a) List three distinguishing features between sexual and asexual types of reproduction
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1
|
857
|
April 2, 2019
|
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State in brief the changes that take place in a fertilized egg (zygote) till birth of the child
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1
|
3232
|
April 2, 2019
|
|
Distinguish between unisexual and bisexual flowers giving one example of each
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1
|
2156
|
April 2, 2019
|
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Describe in brief the role of (i) testis
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1
|
10221
|
April 2, 2019
|
|
1. What is spore formation?
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1
|
5872
|
April 2, 2019
|
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With the help of suitable diagrams, explain the various steps of budding in Hydra
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1
|
1373
|
April 2, 2019
|
|
(a) What is fragmentation in organisms? Name a multicellular organisms which reproduces by this method
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1
|
1490
|
April 2, 2019
|
|
1. How is the process of binary fission different from budding?
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1
|
824
|
April 2, 2019
|
|
Trace the events that would take place in a flower from the time the pollen grains
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1
|
9561
|
April 2, 2019
|
|
List the two types of reproduction. Which one of the two is responsible for bringing in more variations in its progency and how?
|
|
1
|
1559
|
April 1, 2019
|
|
List three techniques that have been developed to prevent pregnancy
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1
|
1520
|
April 1, 2019
|
|
What is vegetative propagation? State two advantages and two disadvantages of this method
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1
|
8911
|
April 1, 2019
|
|
Reproduction is one of the most important characteristics of living beings
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1
|
18267
|
April 1, 2019
|
|
List any four steps involved in sexual reproduction and write its two advantages
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|
1
|
2152
|
April 1, 2019
|
|
State the changes that take place in the uterus when: (a) Implantation of embryo has occurred
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|
1
|
18253
|
April 1, 2019
|
|
State the basic requirement for sexual reproduction. Write the importance of such reproduction in nature
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|
1
|
2118
|
April 1, 2019
|
|
What happens when: 1.Accidently, Planaria gets cut into many pieces?gnificances
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1
|
3712
|
April 1, 2019
|
|
What happens when: 1. Planaria gets cut into two pieces?
|
|
1
|
2243
|
April 1, 2019
|
|
Explain the term “Regeneration” as used in relation to reproduction of organisms
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1
|
773
|
April 1, 2019
|
|
Define reproduction. How does it help in providing stability to the population of species?
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1
|
1628
|
April 1, 2019
|
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(a) List two reasons for the appearance of variations among the progeny formed by sexual reproduction
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1
|
1228
|
April 1, 2019
|
|
What is meant by pollination? Name and differentiate between two modes of pollination in flowering plants
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1
|
4881
|
April 1, 2019
|
|
How do organisms, whether reproduced asexually or sexually maintain a constant chromosome number
|
|
1
|
1189
|
April 1, 2019
|
|
Thread-like no-reproductive structures present in Rhizopus
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|
1
|
660
|
April 1, 2019
|