Molecular Basis of Inheritance — BIOLOGY STD 12 Science — Question

Why are analogous structures a result of convergent evolution?

What are the viruses that cause cancer called?

Give the answer of the following:
In your opinion, which is the most effective way to conserve the plant diversity of an area?

What are nectar/ pollen robbers?

A cross was carried out between two pea plants showing the contrasting traits of height of the plant. The result of the cross showed 50% of parental characters. Name the type of cross.

Which among the following is true for BT toxin?

1. It kills the lepidopterans.
2. It is coded by 'cry' gene.
3. It exists in bacteria as prototoxin.
4. All are true.

Differentiate between standing state and standing crop in an ecosystem.

Name the parts of an angiosperm flower in which development of male and female gametophyte take place.

Write the names of plants worshiped in any two provinces.

Mark the odd one in the following group.
PCR, Widal, rDNA technology, ELISA.