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(a) Write the functions of the following parts in human female reproductive system: 1. Ovary
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1
|
1000
|
April 2, 2019
|
|
1. Name the parts labelled as A,B, C and D in the diagram given below:
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1
|
2095
|
April 2, 2019
|
|
1. Write the name of the human male reproductive organ that produces sperms and secretes a hormone
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1
|
761
|
April 2, 2019
|
|
(a) Name the respective part of human female reproductive system:
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1
|
835
|
April 2, 2019
|
|
1. Give one example each of a unisexual and a bisexual flower
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1
|
868
|
April 2, 2019
|
|
(a) Identify A, B and C in the given diagram and write their functions
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|
1
|
1417
|
April 2, 2019
|
|
(a) List three distinguishing features between sexual and asexual types of reproduction
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1
|
954
|
April 2, 2019
|
|
State in brief the changes that take place in a fertilized egg (zygote) till birth of the child
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1
|
3391
|
April 2, 2019
|
|
Distinguish between unisexual and bisexual flowers giving one example of each
|
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1
|
2381
|
April 2, 2019
|
|
Describe in brief the role of (i) testis
|
|
1
|
10590
|
April 2, 2019
|
|
1. What is spore formation?
|
|
1
|
6404
|
April 2, 2019
|
|
With the help of suitable diagrams, explain the various steps of budding in Hydra
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|
1
|
1491
|
April 2, 2019
|
|
(a) What is fragmentation in organisms? Name a multicellular organisms which reproduces by this method
|
|
1
|
1580
|
April 2, 2019
|
|
1. How is the process of binary fission different from budding?
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|
1
|
896
|
April 2, 2019
|
|
Trace the events that would take place in a flower from the time the pollen grains
|
|
1
|
10009
|
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
|
1639
|
April 1, 2019
|
|
List three techniques that have been developed to prevent pregnancy
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|
1
|
1666
|
April 1, 2019
|
|
What is vegetative propagation? State two advantages and two disadvantages of this method
|
|
1
|
9035
|
April 1, 2019
|
|
Reproduction is one of the most important characteristics of living beings
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|
1
|
18963
|
April 1, 2019
|
|
List any four steps involved in sexual reproduction and write its two advantages
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|
1
|
2237
|
April 1, 2019
|
|
State the changes that take place in the uterus when: (a) Implantation of embryo has occurred
|
|
1
|
18715
|
April 1, 2019
|
|
State the basic requirement for sexual reproduction. Write the importance of such reproduction in nature
|
|
1
|
2212
|
April 1, 2019
|
|
What happens when: 1.Accidently, Planaria gets cut into many pieces?gnificances
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|
1
|
3867
|
April 1, 2019
|
|
What happens when: 1. Planaria gets cut into two pieces?
|
|
1
|
2399
|
April 1, 2019
|
|
Explain the term “Regeneration” as used in relation to reproduction of organisms
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|
1
|
858
|
April 1, 2019
|
|
Define reproduction. How does it help in providing stability to the population of species?
|
|
1
|
1714
|
April 1, 2019
|
|
(a) List two reasons for the appearance of variations among the progeny formed by sexual reproduction
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|
1
|
1447
|
April 1, 2019
|
|
What is meant by pollination? Name and differentiate between two modes of pollination in flowering plants
|
|
1
|
4974
|
April 1, 2019
|
|
How do organisms, whether reproduced asexually or sexually maintain a constant chromosome number
|
|
1
|
1266
|
April 1, 2019
|
|
Thread-like no-reproductive structures present in Rhizopus
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|
1
|
729
|
April 1, 2019
|