Sexual Reproduction in Flowering Plants — BIOLOGY STD 12 Science — Question

Angiosperms bearing unisexual flowers are said to be either monoecious or dioecious. Explain with the help of one example each.

Give an example of ‘melt in mouth’ vaccine and state the advantages of such vaccines.

Gene therapy

Mention one application for each of the following:

1. Passive immunisation.
2. Antihistamine.
3. Colostrum.
4. Cytokine barriers.

Due to under peer pressure, a group of adolescents started using opioids intra venoualy. What are thc acrious problema they might face in future?

State the consequence when Meloidegyne incognita consumes cells with RNAi gene.

A, B, D are three independently assorting genes with their recessive alleles a, b, d respectively. A cross was made between individuals of genotypes AabbDd and aabbdd. Find out the genotypes of the offspring.

Name any two antibiotics with their microbial source.

What would happen when one grows a recombinant bacterium in a bioreactor but forget to add antibiotic to the medium in which the recombinant is growing?