What is Gene therapy?

Important Questions on Model Question Papers 2

MEDIUM

12th CBSE

IMPORTANT

Xam Idea Biology>Chapter 19 - Model Question Papers 2>MODEL QUESTION PAPER>Q 5

Why EtBr is used in gel electrophoresis in spite of it being highly carcinogenic?

MEDIUM

12th CBSE

IMPORTANT

Xam Idea Biology>Chapter 19 - Model Question Papers 2>MODEL QUESTION PAPER>Q 6

What is parthenogenesis? Give two examples.

MEDIUM

12th CBSE

IMPORTANT

Xam Idea Biology>Chapter 19 - Model Question Papers 2>MODEL QUESTION PAPER>Q 6

Differentiate between monoecious and dioecious plants. Give one example of each.

MEDIUM

12th CBSE

IMPORTANT

Xam Idea Biology>Chapter 19 - Model Question Papers 2>MODEL QUESTION PAPER>Q 7

Both Down's syndrome and Turner's syndrome are examples of chromosomal disorders. Cite the differences between the two.

EASY

12th CBSE

IMPORTANT

Xam Idea Biology>Chapter 19 - Model Question Papers 2>MODEL QUESTION PAPER>Q 8

List the symptoms of Ascariasis. Mention any two preventive measures you would suggest to a local population against contracting the disease.

MEDIUM

12th CBSE

IMPORTANT

Xam Idea Biology>Chapter 19 - Model Question Papers 2>MODEL QUESTION PAPER>Q 9

Give reason:
Bottled fruit juices bought from the market are clearer as compared to those made at home.
 

MEDIUM

12th CBSE

IMPORTANT

Xam Idea Biology>Chapter 19 - Model Question Papers 2>MODEL QUESTION PAPER>Q 9

Give reason:
Large holes are found in 'Swiss cheese'.
 

MEDIUM

12th CBSE

IMPORTANT

Xam Idea Biology>Chapter 19 - Model Question Papers 2>MODEL QUESTION PAPER>Q 9

Keeping beehives in crop fields has several advantages. List any two.