Chapter 20: Breeding and Biotechnology - Online Test

Q1. Which method of crop improvement can be practised by a farmer if he is inexperienced?
Answer : Option B
Explaination / Solution:
No Explaination.


Q2. Pusa Komal is a disease resistant variety of _________.
Answer : Option C
Explaination / Solution:
No Explaination.


Q3. Himgiri developed by hybridisation and selection for disease resistance against rust pathogens is a variety of __________.
Answer : Option D
Explaination / Solution:
No Explaination.


Q4. The miracle rice which saved millions of lives and celebrated its 50th birthday is _______
Answer : Option A
Explaination / Solution:
No Explaination.


Q5. Which of the following is used to produce products useful to humans by biotechnology techniques?
Answer : Option D
Explaination / Solution:
No Explaination.


Q6. We can cut the DNA with the help of
Answer : Option B
Explaination / Solution:
No Explaination.


Q7. rDNA is a
Answer : Option C
Explaination / Solution:
No Explaination.


Q8. DNA fingerprinting is based on the principle of identifying --------------- sequences of DNA
Answer : Option D
Explaination / Solution:
No Explaination.


Q9. Organisms with modified endogenous gene or a foregin gene are also known as
Answer : Option D
Explaination / Solution:
No Explaination.


Q10. In a hexaploid wheat( 2n = 6 x = 42 ) the haploid (n) and the basic(x) number of chromosomes respectively are
Answer : Option D
Explaination / Solution:
No Explaination.