Advertisements
Advertisements
Question
How can plants and animals save themselves from extinction?
Advertisements
Solution
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.
APPEARS IN
RELATED QUESTIONS
The middle piece of sperm provides:
Differentiate between:
Semen and sperm
Name the following:
Organ where fertilization occurs.
Complete the following statement by choosing the correct alternative:
Fertilization occurs in ______.
The following diagram represents the vertical sectional view of the human female reproductive system.
How does the uterus prepare for the reception of zygote?
The diagram given below is that of a developing human foetus in the womb. Study the same and answer the question that follow:
What term is given to the period of development of the foetus in the womb?
What is fertilization? Name the site of fertilization in the human females.
Name two essential structures which take part in fertilization.
Give Reasons
Gametes have a haploid (n) number of chromosomes.
Explain the Term Vas deferens.
Explain the term Cowper’s glands.
Name the Following
The basic unit of the testes.
Give Technical Term:
What term is used for the production and maturation of sperms in the testes?
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Sperm is a highly motile male gamete.
Define.
Fertilization
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.
In which part of the human female reproductive system do the following events take place?
Fertilization
What is sex chromosomes?
Write the specific location of the following:
Acrosome
What are the potential drawbacks in adoption of the IVF method?
- High fatality risk to mother.
- Expensive instruments and reagents.
- Husband/wife necessary for being donors.
- Less adoption of orphans.
- Not available in India.
- Possibility that the early embryo does not survive.
Choose the correct answer from the options given below:
