Practice free Zoology NEET multiple-choice questions online with instant answers and detailed explanations. No login required.
Why is reproduction considered a 'vital process' for species survival?
While individual organisms die without fail, species continue to live through millions of years unless threatened by natural or anthropogenic extinction. Reproduction becomes a vital process without which species cannot survive for long.
Improved health facilities and better living conditions can lead to:
Improved health facilities and better living conditions promoted an explosive growth of population. Such a growth necessitated intense propagation of contraceptive methods.
In the context of the Reproductive and Child Health Care programmes, addressing the importance of breast-feeding is related to:
Educating people, especially fertile couples and those in marriageable age group, about available birth control options, care of pregnant mothers, post-natal care of the mother and child, importance of breast feeding, equal opportunities for the male and the female child, etc., would address the importance of bringing up socially conscious healthy families of desired size.
Which of the following entities have taken steps to create awareness about reproduction-related aspects using audio-visual and print media?
With the help of audio-visual and the print-media governmental and non-governmental agencies have taken various steps to create awareness among the people about reproduction-related aspects.
The broad perspective of reproductive health, beyond just healthy reproductive organs, includes:
The term simply refers to healthy reproductive organs with normal functions. However, it has a broader perspective and includes the emotional and social aspects of reproduction also.
What is the primary objective of the 'Reproductive and Child Health Care (RCH) programmes'?
Creating awareness among people about various reproduction related aspects and providing facilities and support for building up a reproductively healthy society are the major tasks under these programmes.
Which of the following describes the primary goal of creating transgenic animal models for the study of disease?
According to the NCERT text, 'Many transgenic animals are designed to increase our understanding of how genes contribute to the development of disease. These are specially made to serve as models for human diseases so that investigation of new treatments for diseases is made possible.'
Rosie, the first transgenic cow, was renowned for producing milk enriched with which human protein?
The NCERT states, 'In 1997, the first transgenic cow, Rosie, produced human protein-enriched milk (2.4 grams per litre). The milk contained the human alpha-lactalbumin and was nutritionally a more balanced product for human babies than natural cow-milk.'
Transgenic animals are made more sensitive to toxic substances for which specific application?
The text mentions, 'Transgenic animals are made that carry genes which make them more sensitive to toxic substances than non-transgenic animals. They are then exposed to the toxic substances and the effects studied. Toxicity testing in such animals will allow us to obtain results in less time.'
For which of the following human diseases are transgenic models currently available, according to the NCERT text?
The NCERT states, 'Today transgenic models exist for many human diseases such as cancer, cystic fibrosis, rheumatoid arthritis and Alzheimer’s.'
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