|
List any two differences between pollination and fertilisation
|
|
1
|
666
|
April 1, 2019
|
|
What are sexually transmitted diseases? Name four such diseases
|
|
1
|
1250
|
April 1, 2019
|
|
Differentiate between ‘self pollination’ and ‘cross pollination’
|
|
1
|
747
|
April 1, 2019
|
|
Explain the terms, ‘fission’ and ‘regeneration’ as used in relation to reprodcution
|
|
1
|
2390
|
April 1, 2019
|
|
What disease is AIDS? How does it spread from one person to another?
|
|
1
|
513
|
April 1, 2019
|
|
State in brief the functions of the following parts of the human female reproductive system:
|
|
3
|
4472
|
March 26, 2019
|
|
Describe sexually transmitted diseases and mention the ways to prevent them
|
|
0
|
2084
|
September 23, 2016
|
|
Reproduction is essentially a phenomenon that is not for survival of an individual but for the stability of a species. Justify
|
|
0
|
4629
|
September 23, 2016
|
|
How does fertilization take place ? Fertilization occurs once in a month. Comment
|
|
0
|
4064
|
September 23, 2016
|
|
What are various ways to avoid pregnancy ? Elaborate any one method
|
|
0
|
4089
|
September 23, 2016
|
|
What is placenta ? Mention its role during pregnancy?
|
|
0
|
3590
|
September 23, 2016
|
|
Draw the diagram of a flower and label the four whorls. Write the names of gamete producing organs in the flower
|
|
1
|
5220
|
September 23, 2016
|
|
Distinguish between a gamete and zygote. Explain their roles in sexual reproduction
|
|
0
|
6434
|
September 23, 2016
|
|
Distinguish between pollination and fertilization
|
|
1
|
9749
|
September 23, 2016
|
|
Write two points of difference between asexual and sexual types of reproduction
|
|
1
|
6320
|
September 23, 2016
|
|
Why are budding, fragmentation and cells and regeneration all considered as asexual types of reproduction?
|
|
1
|
4623
|
September 23, 2016
|
|
What changes are observed in the uterus subsequent to implantation of young embryo?
|
|
0
|
7964
|
September 23, 2016
|
|
What changes are observed in the uterus if fertilization does not occur?
|
|
0
|
4395
|
September 23, 2016
|
|
Trace the path of sperm during ejaculation and mention the gland and their functions associated with the male reproductive system
|
|
0
|
4435
|
September 23, 2016
|
|
How are general growth and sexual maturation different from each other?
|
|
0
|
3341
|
September 23, 2016
|
|
Reproduction is linked to stability of population of a species. Justify the statement
|
|
0
|
9034
|
September 23, 2016
|
|
Where is the zygote located in the flower after fertilization?
|
|
0
|
4108
|
September 23, 2016
|
|
Is the chromosome number of zygote, embryonal adult of a particular organism always constant?
|
|
1
|
1642
|
September 23, 2016
|
|
Why cannot fertilization take place in flowers if pollination does not occur?
|
|
0
|
4517
|
September 23, 2016
|
|
Give two reasons for the appearance of variations among the progeny formed by sexual reproduction
|
|
0
|
7561
|
September 23, 2016
|
|
Why does bread mould grow profusely on a moist slice of bread rather than on a dry slice of bread?
|
|
0
|
4015
|
September 23, 2016
|
|
Colonies of yeast fail to multiply in water, but multiply in sugar solution. Give one reason for this
|
|
0
|
4910
|
September 23, 2016
|
|
Explain how, offspring and parents of organisms reproducing sexually have the same number of chromosomes
|
|
0
|
3536
|
September 23, 2016
|
|
Can you consider cell division as a type of reproduction in unicellular organism ? Give one reason
|
|
0
|
4205
|
September 23, 2016
|
|
In a bisexual flower inspite of the young stamens being removed artificially, the flower produces fruit
|
|
1
|
4821
|
September 23, 2016
|