MEDIUM
12th CBSE
IMPORTANT
Earn 100

What are 'pioneer species'? Give an example. State their mode of activity.

Important Questions on Model Question Papers 1

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.
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 18 - Model Question Papers 1>MODEL QUESTION PAPER>Q 13
Explain 'floral rewards' as an adaptation in plants, with the help of any three examples.
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 18 - Model Question Papers 1>MODEL QUESTION PAPER>Q 14
Why is apple a false fruit for a biology student? Give another example of false fruit.
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 18 - Model Question Papers 1>MODEL QUESTION PAPER>Q 14
"Bananas are often seedless but are always true fruits." Justify the statement.
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 18 - Model Question Papers 1>MODEL QUESTION PAPER>Q 14
Expand  'ZIFT'. Explain why and how it is carried out?