|
(a) Write the functions of the following parts in human female reproductive system: 1. Ovary
|
|
1
|
979
|
April 2, 2019
|
|
1. Name the parts labelled as A,B, C and D in the diagram given below:
|
|
1
|
1957
|
April 2, 2019
|
|
1. Write the name of the human male reproductive organ that produces sperms and secretes a hormone
|
|
1
|
747
|
April 2, 2019
|
|
(a) Name the respective part of human female reproductive system:
|
|
1
|
834
|
April 2, 2019
|
|
1. Give one example each of a unisexual and a bisexual flower
|
|
1
|
853
|
April 2, 2019
|
|
(a) Identify A, B and C in the given diagram and write their functions
|
|
1
|
1340
|
April 2, 2019
|
|
(a) List three distinguishing features between sexual and asexual types of reproduction
|
|
1
|
936
|
April 2, 2019
|
|
State in brief the changes that take place in a fertilized egg (zygote) till birth of the child
|
|
1
|
3363
|
April 2, 2019
|
|
Distinguish between unisexual and bisexual flowers giving one example of each
|
|
1
|
2330
|
April 2, 2019
|
|
Describe in brief the role of (i) testis
|
|
1
|
10544
|
April 2, 2019
|
|
1. What is spore formation?
|
|
1
|
6286
|
April 2, 2019
|
|
With the help of suitable diagrams, explain the various steps of budding in Hydra
|
|
1
|
1456
|
April 2, 2019
|
|
(a) What is fragmentation in organisms? Name a multicellular organisms which reproduces by this method
|
|
1
|
1561
|
April 2, 2019
|
|
1. How is the process of binary fission different from budding?
|
|
1
|
877
|
April 2, 2019
|
|
Trace the events that would take place in a flower from the time the pollen grains
|
|
1
|
9959
|
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
|
1621
|
April 1, 2019
|
|
List three techniques that have been developed to prevent pregnancy
|
|
1
|
1645
|
April 1, 2019
|
|
What is vegetative propagation? State two advantages and two disadvantages of this method
|
|
1
|
9004
|
April 1, 2019
|
|
Reproduction is one of the most important characteristics of living beings
|
|
1
|
18902
|
April 1, 2019
|
|
List any four steps involved in sexual reproduction and write its two advantages
|
|
1
|
2224
|
April 1, 2019
|
|
State the changes that take place in the uterus when: (a) Implantation of embryo has occurred
|
|
1
|
18667
|
April 1, 2019
|
|
State the basic requirement for sexual reproduction. Write the importance of such reproduction in nature
|
|
1
|
2199
|
April 1, 2019
|
|
What happens when: 1.Accidently, Planaria gets cut into many pieces?gnificances
|
|
1
|
3835
|
April 1, 2019
|
|
What happens when: 1. Planaria gets cut into two pieces?
|
|
1
|
2382
|
April 1, 2019
|
|
Explain the term “Regeneration” as used in relation to reproduction of organisms
|
|
1
|
848
|
April 1, 2019
|
|
Define reproduction. How does it help in providing stability to the population of species?
|
|
1
|
1705
|
April 1, 2019
|
|
(a) List two reasons for the appearance of variations among the progeny formed by sexual reproduction
|
|
1
|
1390
|
April 1, 2019
|
|
What is meant by pollination? Name and differentiate between two modes of pollination in flowering plants
|
|
1
|
4966
|
April 1, 2019
|
|
How do organisms, whether reproduced asexually or sexually maintain a constant chromosome number
|
|
1
|
1256
|
April 1, 2019
|
|
Thread-like no-reproductive structures present in Rhizopus
|
|
1
|
718
|
April 1, 2019
|