HARD
12th CBSE
IMPORTANT
Earn 100

How did Morgan and his group attribute the terms 'linkage' and 'recombination' with respect to position of genes on a chromosome?

Important Questions on Model Question Papers 1

MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 18 - Model Question Papers 1>MODEL QUESTION PAPER>Q 8
Write the kind of professional and medical help that is available for the prevention and control of alcohol and drug abuse among adolescents.
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 18 - Model Question Papers 1>MODEL QUESTION PAPER>Q 8
How is cancer treated by radiotherapy? Name any other two approaches for cancer treatment.
EASY
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 18 - Model Question Papers 1>MODEL QUESTION PAPER>Q 9
Your friend is interested in starting a 'dairy farm'. List four management techniques that you wish to advise him.
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 18 - Model Question Papers 1>MODEL QUESTION PAPER>Q 10
What are 'pioneer species'? Give an example. State their mode of activity.
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 18 - Model Question Papers 1>MODEL QUESTION PAPER>Q 11
In 1981, the 'r' value for the human population in India was 0.0205.
What does 'r' stand for?
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 18 - Model Question Papers 1>MODEL QUESTION PAPER>Q 11
In 1981, the 'r' value for the human population in India was 0.0205.
Why is 'r' an important parameter?
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 18 - Model Question Papers 1>MODEL QUESTION PAPER>Q 12
A certain flower uses 'sexual deceit' for its pollination. Identify the flower and describe this adaptation.
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 18 - Model Question Papers 1>MODEL QUESTION PAPER>Q 13
Name the different parts of the fallopian tube in humans. State the specific functions of any two parts.