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प्रश्न
How can plants and animals save themselves from extinction?
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उत्तर
Genetic variation helps the organisms to adjust with the changing environment and thereby to maintain their existence. Due to this, plants and animals can save themselves from being extinct.
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संबंधित प्रश्न
Name the following:
The part where the sperms are produced in the testes
The middle piece of sperm provides:
Rewrite the terms in the correct order so as to be in a logical sequence.
coitus, ovum, Sperm, sperm duct, urethra, Vagina.
Given below is a portion of the diagram to show the diagrammatic highly magnified view of a single human sperm. Complete the diagram to show its normal structure.
One egg is released from each of the two ovaries every month.
Complete the following statement by choosing the correct alternative:
Fertilization occurs in ______.
Define the following:
Spermatogenesis
Name the Following
The basic unit of the testes.
Give Technical Term:
The place where fertilization occurs in the female reproductive system.
Complete the following sentences with appropriate word:
One egg is normally released from the ovary in the human females after
__________
Multiple choice question.
In human female, the fertilized egg gets implanted in uterus _______.
Answer the following question.
What is capacitation? Give its importance.
Describe the process of fertilization.
Which of the following is the first cell of human life?
State whether the following statement is True or False. If false, correct the statement:
The eggs of fish are covered by hard shells for protection.
What are autosomes chromosomes?
Fertilization takes place in ______.
What is the location and nature of antifertilizin?
How are ova classified in terms of yolk content?
