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प्रश्न
Match the following.
| Column I | Column II |
| Fission | Spirogyra |
| Budding | Amoeba |
| Fragmentation | Yeast |
उत्तर
| Column I | Answers |
| Fission | Amoeba |
| Budding | Yeast |
| Fragmentation | Spirogyra |
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संबंधित प्रश्न
What is the basic difference between asexual reproduction and sexual reproduction?
What is meant by reproduction?
The characteristics transmitted from parents to offspring are present in :
(a) cytoplasm
(b) ribosome
(c) golgi bodies
(d) genes
State whether the following statement is true (T) or false (F):
Producing life is called respiration.
List any two different forms asexual reproduction.
Answer the following question.
The growing size of the human population is a cause of concern for all people. The rate of birth and death in a given population will determine its size. Reproduction is the process by which organisms increase their population. The process of sexual maturation for reproduction is gradual and takes place while general body growth is still going on. Some degree of sexual maturation does not necessarily mean that the mind or body is ready for sexual acts or for having and bringing up children. Various contraceptive devices are being used by human beings to control the size of the population.
(a) List two common signs of sexual maturation in boys and girls.
(b) What is the result of reckless female foeticide?
(c) Which contraceptive method changes the hormonal balance of the body?
(d) Write two factors that determine the size of a population.
If diploid chromosome number in a flowering plant is 12, then which one of the following will have 6 chromosomes?
The number of nuclei present in a zygote is _______.
Nervous system develops from ______ of embryonic layer.
Observe the following figures.
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 |
 |
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| (a) | (b) | (c) | (d) |
- Identify the stages (a) to (d) in figure during development of human baby.
- Arrange the stages in correct sequence of development.
- Explain the development that takes place in any one stage.
