Gentics and Evoloution MCQ question and answer with solution | Biology Gk MCQs

Down's syndrome is due to

Consider the following statements regarding Lamarckism and choose the correct answer:
1. Lamarck believed that change of form of either plants or animals was due to change in environment
2. Lamarck had the idea that organs of plants and animals are developed according to their urgent need
3. Constant use or exercise of organs results in the formation of new organs or increase in size
4. The living beings both plants and animals produce in nature more offsprings than could ordinarily survive

The form of micorrhizal association where the fungus lives in the intercellular spaces as well as in the cortical cells is known as

Thalassemia is a hereditary disease. It affects

Formation of RNA (mRNA) over DNA template is called

Who proposed the Big-Bang theory?

Consider the following statements
1. Pasteur's swan neck experiment proved that new organisms arise from pre-existing ones.
2. Theory of Use and Disuse of Organs was given by Lamarck.
3. Darwin wrote the book 'On the Origin of Species by Means of Natural Selection' in 1859.
4. Lamarck wrote the book 'Philosophie Zoologique'.
Which of the statements given above is/are true?

Which of the following biofertilizers include such microorganisms which solubilize bound phosphate of rock and soil to increase the availability of soluble phosphate to the plants?

For how many years have the dinosaurs been extinct?

DNA test was developed by