List of top Biology Questions asked in UP Board XII

Write a short note on Mendelism.
Write notes on the following: Ringworm, Amoebiasis
Explain symbiosis with suitable examples.
When a cross is made between a tall plant with yellow seed (TtYy) and a tall plant with green seed (Ttyy), in what proportion of the following phenotypes could be expected?
Write a note on National Park.
Describe the development of the male gametophyte of an angiospermic plant with a suitable diagram.
How does fertilization take place in an angiospermic plant? Describe post-fertilization structures and events.
Characteristic features of the structure of double-stranded DNA.
Components of an ecosystem.
Human ovum.
Answer the following questions briefly: Genetically Modified (GM) Crops
Describe the dihybrid cross with a diagram.
Components of a Nucleotide
In-situ Conservation
What is addiction? Write a note on its ill effects on the young generation and its control measures.
Describe the Chromosome theory of Genetics.
Explain competition and parasitism with examples.
What do you understand by patent?
How many pairs of contrasting traits were studied by Mendel in pea plants?
Describe natural selection in brief.
What are parthenocarpic fruits?
The vector of Dengue (Break bone) fever is:
Who proposed the Chromosomal theory of Inheritance?
The name of the plant pollinated by water is:
Which one of the following is not a false fruit?