Download App

Origin and Evolution of Life — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYOrigin and Evolution of Life3 Marks
Question
Draw a graph to show that natural selection leads to disruptive change.
✓

Answer

Get the step-by-step solution for this question inside the Vidyadip app.

Get the answer in the app

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Answer the following questions in detail." from Origin and Evolution of Life→Origin and Evolution of Life — all question types→BIOLOGY STD 12 Science question papers→Maharashtra Board STD 12 Science question papers→Maharashtra Board question paper generator→

Similar questions

Enumerate any six essentials of good, effective Dairy Farm Management Practices.
→
  1. What are two types of desirable approaches to conserve biodiversity? Explain with examples bringing out the difference between two types.
  2. What is the association between the bumble bee and its favourite orchid Ophrys? How could extinction or change of one would affect the other?
→
Secondary treatment of the sewage is also called Biological treatment. Justify this statement and explain the process.
→
What is Vasectomy? Represent it diagrammatically.
→
The embryonal protection and care are comparatively better in viviparous species than oviparous organisms. Explain.
→
Write a short note on Behavioural adaptations in animals
→
Mrs. Peter and Mrs. James had babies at the same hospital. Mrs. Peter took home a girl, Nancy and Mrs. James received a boy, Richard. However, Mrs. James was certain she gave birth to a girl and brought suit against the hospital. Blood tests showed that Mr. James was type O, Mrs. James was type AB and Mr. and Mrs. Peter were both type B. Nancy was type A and Richard was type O. List the possible genotypes of each individual and then indicate the correct parents for each child.
Genotypes :
  1. Mrs. Peter ____________.
  2. Mr. Peter ______________.
  3. Nancy _____________.
  4. Mrs. James _________________.
  5. Mr. James ________________.
  6. Richard _______________.
  7. Whose baby is Nancy?
  8. Whose baby is Richard?
→
Rahul introduced Ronit to his uncle and told him that Ronit is pursuing a course in biotechnology in America.
His uncle had never heard of this term earlier and was curious to know about this term. Ronit pointed towards a big tree at the base of which were present numerous tumour-like structures and said that this is the example of natural biotechnology:
  1. What is biotechnology?
  2. How these crown gall tumours are formed?
  3. What are the values shown by Rahul's uncle?
→
Draw the sketches of a zoospore and a conidium. Mention two dissimilarities between them and atleast one feature common to both structures.
→
Give the names and functions of enzymes involved in lactose metabolism in E Coli.
→