What could be the reasons for adopting contraceptive methods?
Solution and Explanation
The sexual act always has the potential to lead to pregnancy. Pregnancy will make major demands on the body and the mind of the woman and if she is not ready for it, her health will adversely affected.
Therefore, adopting contraceptive methods are essential. Some contraceptive methods like condom also prevent spread of STDs and lethal diseases like HIV-AIDS.
Top Questions on Sexual Reproduction
- How many pollen grains and ovules are likely to be formed in the anther and ovary of an angiosperm bearing 50 microspore mother cells and 50 megaspore mother cells respectively?
- CBSE CLASS XII - 2025
- Biology
- Sexual Reproduction
- The correct order of passage of spermatozoa is:
- TS POLYCET - 2024
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- When male and female gametes are morphologically distinct, the condition is known as:
- KCET - 2024
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- Describe the different steps in the sexual mode of reproduction in the life cycle of a malarial parasite from the time of its initiation till where it is completed and ready to start a fresh cycle.}
- CBSE CLASS XII - 2024
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- Sex- determination, in Humans is identified by :
- GUJCET - 2023
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Questions Asked in CBSE X exam
- Describe the historical factors that contributed to the emergence of nationalist tensions in the Balkans.
- CBSE Class X - 2025
- The Rise of Nationalism in Europe
Match Column-I with Column-II and choose the correct option:
Column-I (Minerals) Column-II (Features) A. Copper (i) Used in manufacturing of steel and plants B. Bauxite (ii) Used in electric and electronic industries C. Mica (iii) Used in electric cables and utensils D. Manganese (iv) Used in aluminium production Choose the correct answer from the options given below:
- CBSE Class X - 2025
- Minerals and Energy Resources
- Matilda’s character embodies the journey of change or progression throughout the story, encapsulating the transformations she endured as a consequence of her experiences, trials, and engagements with other characters.
In the light of the above information, trace the transformation seen in Matilda’s character in the story.
(The Necklace) Give reasons:
(i) The sky appears dark to passengers flying at very high altitudes.
At very high altitudes, passengers are above the atmosphere where there is less scattering of sunlight. As a result, they do not see the scattered blue light and the sky appears dark, similar to the condition experienced by astronauts in space.
(ii) 'Danger' signal lights are red in color.- CBSE Class X - 2025
- Refraction
- Imagine you are a Village Development Officer of a village. Explain the usefulness of formal sources of credit for the farmers.
- CBSE Class X - 2025
- Money and Credit
Concepts Used:
Reproduction
The term reproduction is a biological process that means to reproduce. It is a process by which an organism reproduces an offspring that is biologically similar or identical to its parents. Reproduction accredits and ensures the continuity of species, generation after generation, and is the main character of life on earth.
Types of Reproduction:
There are two types of reproduction such as:
Asexual Reproduction:
It is the production an offspring by a single parent beyond the formation and fusion of gametes. The young one obtains all its genes from one parent, so are identical.
Sexual Reproduction:
Sexual reproduction is mostly biparental, includes the formation of meiosis gamete usually fertilization also, instigates genetic variation in the offspring, and plays a role in the evolution of species, found in higher plants and animals.