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How does colostrum provide protection ag...

How does colostrum provide protection against diseases to new born babies ?

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Colostrum provides protection against diseases to new born babies because it is rich in antibodies, IgA
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Read the following four statements (A-D) (a) Colostrum is recommended for the new born because it is rich in antigens (b) Chikengunya is caused by a Gram negative bacterium (c) Tissue culture has proved useful in obtaining virus-free plants (d) Beer is manufactured by distillation of fermented grape juice How many of the above Statements are wrong

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[A]: Sickle-cell anaemia is a genetically de- termined disorder affecting many new born babies. [R]: It is caused by heterozygosity for allele Hb^c , producing a single amino acid substitu- tion in the a-chain of the normal haemoglo- bin molecule determined by allele Hb^A .

[A]: Genetic disorder, sickle cell anaemia is common in new born babies· [R]: It is caused by heterozygosity for allele Hbc, producing a single amino acid substitution in the a-chain of the Haemoglobin determined by allele Hb^A

Colostrum, the yellowish fluid, secreted bymother during the initial days of lactation is very essential to impart immunity to the new born infants because it contains:

TRUEMAN BIOLOGY-REPRODUCTION-SECTION-D
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  3. "Incompatibility is a natural barrier in the fusion of gametes". Justi...

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  4. Show diagrammatically the stages of embryonic development from zygote ...

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  5. Draw a schematic diagram of a human sperm and label the cellular compo...

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  6. (a)Give a schematic representation of spermatogenesis in humans . (b...

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  9. When and where in the body is oogenesis completed?

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  10. (a) How is the placenta connected to the embryo? (b ) Placenta acts ...

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  11. Give reasons why: (i) Most zygotes in angiosperms divide only afte...

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  12. 2 difference between cross pollination and self pollination

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  13. Draw a labelled diagram of the structure of mature dicot embryo.

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  14. (a ) Draw a labelled longisectional view of an albuminous 'seed'·

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  15. Describe the post-zygotic events leading to implantation and placenta ...

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  16. Although sexual reproduction is a long drawn, energy-intensive complex...

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  17. Embryo sacs of some apomitic species appear normal but contain diploid...

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  18. Meiotic division during oogenesis is different from that in spermatoge...

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  21. Describe the stage in embryo development in a dicot plant.

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