Question
Write an article on vaccination and immunization.
✓
Answer
self
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Write a short note on uterus.
- Write the scientific name of the organism Thomas Hunt Morgan and his colleagues worked with for their experiments. Explain the correlation between linkage and recombination with respect to genes as studied by them.
- How did Sturtevant explain gene mapping while working with Morgan?
With a neat, labelled diagram, describe the parts of a typical angiosperm ovule.
In one family, the four children each have a different blood group. Their mother has blood group A and their father has blood group B. Work out a cross to explain how it is possible.
- State one difference and one similarity between geitonogamy and xenogamy.
- Explain any three devices developed in flowering plants to discourage self pollination and encourage cross-pollination.
Ramesh visited a National Park on a school trip where he saw tiger eating a deer. He got disturbed and asked his teacher why is he doing so. His teacher replied that it is natural population controlling phenomenon.
- Which type of interspecific interaction is found between tiger and deer?
- State the role of predators.
- What other type of population interactions are seen in nature?
- State the values of Ramesh towards animals.
(i) Define contact inhibition.
(ii) Explain the difference between benign tumors
and malignant tumors.
(iii) Write any one cause of cancer.
(ii) Explain the difference between benign tumors
and malignant tumors.
(iii) Write any one cause of cancer.
A child has blood group O. If the father has blood group A and mother blood group B, work out the genotypes of the parents and the possible genotypes of the other offsprings.
Illustration below is a DNA segment, which constitutes a gene:
- Name the shaded and unshaded regions of gene.
- Explain how these genes are expressed.
- How is this gene different from prokaryotic gene in its expression?
Match the codons in Column I with the amino acids in Column II.
| S. No. | Column I | | Column II |
| A | UUU | 1 | Termination |
| B | AUG | 2 | Tyrosine |
| C | UAA | 3 | Phenylalanine |
| D | AGU | 4 | Methionine |
| E | UAC | 5 | Serine |