Q. 21. Which of the following methods are commonly used in DNA finger printing?
(A) genetic transformation
(B) PCR & RFLP
(C) bio prospecting
(D) molecular diagnosis
Answer:
Explanation:
Q. 22. Which layer of microsporangium is nutritive in function?
(A) Epidermis
(B) Endothecium
(C) Middle Layers
(D) Tapetum
Answer:
Explanation:
Q. 23. Match List I with List II
List I
A. Catalytic converter
B. Incinerators
C. Electrostatic precipitator
D. Sewage treatment plant
List II
I. Particulate matter
II. Organic waste
III. Hospital Waste
IV. cartoon monoxide and nitrogen oxides
Choose the correct answer from the options given below:
(A) A-III, B-II, C – IV, D – I
(B) A-IV, B-III, C-I, D – II
(C) A-II, B-III, C – I, D – IV
(D) A-I, B-II, C-IV, D-III
Answer:
Explanation:
Q. 24. During gene therapy, which vector is used to introduce functional ADA CDNA into lymphocyte
(A) Plasmid
(B) Bacteriophage
(C) pBR322
(D) Retrovirus
Answer:
Explanation:
Q. 25. The animals that feed on herbivores like insects, birds & mammals in terrestrial ecosystem, are called
(A) saprotrophs
(B) primary consumers
(C) secondary carnivores
(D) primary carnivores
Answer:
Explanation: