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What are sexually transmitted diseases? List two examples of each disease caused
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1
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614
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April 1, 2019
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List six specific characteristics of sexual reproduction
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1
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1014
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April 1, 2019
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What are chromosomes? Explain how in sexually reproducing organisms
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1
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570
|
April 1, 2019
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What is vegetative propagation? List its two advantages. Select two plants raised by this method from the list given below:
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1
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2034
|
April 1, 2019
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Name the two reproductive parts of a bisexual flower which contain the germ cells
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1
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4743
|
April 1, 2019
|
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On the notice board of ultrasound clinics it is generally stated. “Here prenatal sex determination
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1
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3385
|
April 1, 2019
|
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Describe in brief the function of the various parts of the female reproductive part of a bisexual flower
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1
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4667
|
April 1, 2019
|
|
On cutting the body of an organism into many pieces it was observed that many of these pieces developed as new individuals
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1
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2051
|
April 1, 2019
|
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(a) Write the names of those parts of a flower which serve the same function as the following do in the animals:
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1
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1052
|
April 1, 2019
|
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List any four methods of contraception used by humans
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1
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716
|
April 1, 2019
|
|
(a) Explain the process of regeneration in Planaria
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1
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608
|
April 1, 2019
|
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What is AIDS? Which microbe is responsible for AIDS infection? State one mode of transmission of this disease
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1
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1094
|
April 1, 2019
|
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List and explain in brief three methods of contraception
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1
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9087
|
April 1, 2019
|
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How is the sex of the child fixed during the fertilisation step in human beings? Explain
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1
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3632
|
April 1, 2019
|
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“Only variations that confer an advantage on an individual organism will survive in a population.”
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1
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1273
|
April 1, 2019
|
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Describe the role of the following in human beings: (i) Seminal vesicles (ii) Prostate gland
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1
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875
|
April 1, 2019
|
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List any three difference between pollination and fertilization
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1
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826
|
April 1, 2019
|
|
Name one sexually transmitted disease each caused due to bacterial infection and viral infection?
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1
|
948
|
April 1, 2019
|
|
Write two differences between binary fission and multiple fission in a tabular form
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1
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4833
|
April 1, 2019
|
|
How do plasmodium and Leishmania reproduce? Write one difference in their mode of reproduction
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1
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1735
|
April 1, 2019
|
|
List four modes of asexual reproduction
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|
1
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558
|
April 1, 2019
|
|
List four advantages of vegetative propagation
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|
1
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622
|
April 1, 2019
|
|
List the parts of human male reproductive system which contribute fluid to the semen
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|
1
|
2923
|
April 1, 2019
|
|
List two advantages of practising vegetative propagation in plants
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|
1
|
4088
|
April 1, 2019
|
|
State the role of placenta in the development of embryo
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1
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815
|
April 1, 2019
|
|
Name an organism which reproduces by spore formation. List three conditions favourablefor spores to germinate and grow
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1
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1092
|
April 1, 2019
|
|
Explain the terms: (i) Implantation of Zygote (ii) Placenta
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1
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2903
|
April 1, 2019
|
|
What is vegetative propagation? Write two of its advantages
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|
1
|
865
|
April 1, 2019
|
|
What does HIV stand for ? Is AIDS an infectious disease ? List any four modes of spreading
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|
1
|
1325
|
April 1, 2019
|
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List any four reasons for vegetative propagation being practised in the growth of some types of plants
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1
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2262
|
April 1, 2019
|