PHARMACOGNOSY MCQ (TEST 2)  

MULTIPLE CHOICE QUESTIONS

S. Y. B.PHARM (UNIT-3) SEM-IV 

AS PER PCI SYLLABUS




1. First cambium culture of woody plant was discovered in ……
      A) 1934


... Answer is A)
First cambium culture of woody plant was discovered in 1934. "


2. The formation of embryoids from the pollen grains in the tissue culture medium is due to




... Answer is B)
The formation of embryoids from the pollen grains in the tissue culture medium is due to Cellular totipotency. .

3. Somaclonal variations are the ones.....





... Answer is D)
Somaclonal variations are the ones Produce during tissue culture.


4. Plant from single cell was discovered by Scientist ……




... Answer is A)
Plant from single cell was discovered by Scientist Muir. "


5. Anther culture was discovered by Scientist ……




... Answer is C)
Anther culture was discovered by Scientist Maheshwari and Sipra Guha. .

6.Scientist Reinhard has discovered …… .




... Answer is D)
Scientist Reinhard has discovered Biotransformation in plant tissue culture. .

7. The process by which meristem cells are converted into more cells are known as ……




... Answer is B)
The process by which meristem cells are converted into more cells are known as Differentiation.

8. Regeneration capacity of plant cells are known as ……





... Answer is D)
Regeneration capacity of plant cells are known as Totipotency.


9. Synthetic seed is known as ……





... Answer is A)
Synthetic seed is known as Encapsulation of somatic embryos. .

10. Which vector is mostly used in crop improvement?




... Answer is A)
Agrobacterium. "

11. Synthetic seeds are produced by the encapsulation of somatic embryos with_______.




... Answer is A)
Synthetic seeds are produced by the encapsulation of somatic embryos with Sodium alginate. .

12. Totipotency refers to ___________.




... Answer is A)
Totipotency refers to development of an organ from a cell in a culture medium. .

13. Which of the following is the main application of embryo culture?




... Answer is A)
Overcoming hybridisation barriers .

14. In tissue culture of parenchyma, mitosis is accelerated in the presence of ________.




... Answer is D)
In tissue culture of parenchyma, mitosis is accelerated in the presence of Both auxin and cytokinin. .

15. Which breeding method uses a chemical to strip the cell wall of plant cells of two sexually incompatible species?




... Answer is A)
Protoplast fusion. .

16. Cell fusion method includes the preparation of large number of....




... Answer is C)
Cell fusion method includes the preparation of large number of single plant cell stripped of their cell wall. .

17. Subculturing is similar to propagation by cuttings because




... Answer is B)
Subculturing is similar to propagation by cuttings because it separates multiple microshoots and places them in a medium .

18. When plated only in nutrient medium, how much time is required for the protoplast to synthesize new cell wall?




... Answer is C)
5-10 days. .

19. Agrobacterium based gene transfer is efficient




... Answer is D)
Agrobacterium based gene transfer is efficient only with dicots. .

20. Part of plant used for culturing is called.....




... Answer is B)
Part of plant used for culturing is called (b) Explant. .