MCQ Pharmacognosy UNIT - III (TEST - 4)

 

PHARMACOGNOSY MCQ (TEST 4)  

MULTIPLE CHOICE QUESTIONS

S. Y. B. PHARM (UNIT-3) SEM-IV 

AS PER PCI SYLLABUS

1. A medium which is composed of chemically defined compound is called

  A) Synthetic media  
B) Natural media
C) Artificial media
D) None of these

... Answer is A)
A medium which is composed of chemically defined compound is called Synthetic media. "

2. To obtain haploid plant, we culture

A) Apical bud
B) Embryo
C) Nucleus
D) Entire anther

... Answer is D)
To obtain haploid plant, we culture Entire anther. .

3. Which of the following vectors is used in crop improvement and crop management?

A) Agrobacterium
B) Plasmid
C) Cosmid
D) Phasmid

... Answer is A)
Agrobacterium

4. Which of the following growth hormones produces apical dominance?

A) Ethylene
B) Cytokinin
C) Auxin
D) Gibberellin

... Answer is C)
Auxin "

5. Cybrids are produced by

A) The nucleus of one species but cytoplasm from both the parent species
B) The fusion of two same nuclei from the same species
C) The fusion of two different nuclei from different species
D) None of the above

... Answer is A)
Cybrids are produced by the nucleus of one species but cytoplasm from both the parent species. .

6.The colour of dead single cells in fluorescent diacetate is …… .

A) Red
B) Pink
C) Blue
D) Unstain

... Answer is A)
The colour of dead single cells in fluorescent diacetate is Red. .

7. The viable single cells are taking pink colour with reagent …

A) Fluorescent diacetate
B) MTT
C) Evans Blue
D) Bromine water

... Answer is B)
The viable single cells are taking pink colour with reagent MTT.

8. Haploid cells are obtained by anther culture is also known as ……

A) Plantagenesis
B) Androgenesis
C) Organogenesis
D) Somoclonal variation

... Answer is B)
Haploid cells are obtained by anther culture is also known as Androgenesis .

9. Protoplast cells are ……

A) Hybrid cell
B) Cells with cell wall without cell membrane
C) Cells with cell wall
D) Cells with cell membrane without cell wall

... Answer is D)
Protoplast cells are Cells with cell membrane without cell wall. .

10. Break up of cell aggregates is possible through ……

A) Cellulase
B) Isomerase
C) Pectinase
D) Lygase

... Answer is C)
Break up of cell aggregates is possible through Pectinase . "

11. Agrobacterium is required for culture of ……

A) Hairy root
B) Seed
C) Anther
D) Protoplast

... Answer is A)
Agrobacterium is required for culture of Hairy root. .

12. Matrix used in immobilized cell culture is ……

A) Cellulose
B) Agarose
C) Pectinase
D) Guar gum

... Answer is B)
Matrix used in immobilized cell culture is Agarose. .

13. Biotransformation is possible through ……

A) Micropropagation
B) Protoplast culture
C) Immobilized cell culture
D) Organ culture

... Answer is C)
Biotransformation is possible through Immobilized cell culture. .

14. HEPA filter removes particle size of ……

A) 0.3 µM
B) 3 µM
C) 0.03 µM
D) 0.003 µM

... Answer is A)
HEPA filter removes particle size of 0.3 µM. .

15. Which of the following mediums is composed of chemically defined compounds?

A) Natural media
B) Artificial media
C) Synthetic media
D) None of the above

... Answer is C)
Synthetic media. .

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

A) cells from different species
B) plant cells with cell wall
C) single plant cell stripped of their cell wall
D) plant cells stripped of their cell wall

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

17. Which of the following chemicals are most widely used for protoplast fusion?

A) Mannitol
B) Polyethylene glycol
C) Sorbitol
D) Mannol

... Answer is B)
Polyethylene glycol .

18. Which of the following plant cells shows totipotency?

A) Cork cells
B) Xylem vessels
C) Sieve tube
D) Meristem

... Answer is D)
Meristem. .

19. What is Callus?

A) An unorganised actively dividing the mass of cells maintained in a culture
B) Tissues that grow to form an embryoid
C) An insoluble carbohydrate
D) A tissue that grows from an embryo

... Answer is A)
An unorganised actively dividing the mass of cells maintained in a culture. 

20. Example of sterilants is ……

A) 2% Sodium sulphate
B) 1% sodium sulphate
C) 2% NaCl
D) 2% Sodium hypochlorite

... Answer is D)
Example of sterilants is 2% Sodium hypochlorite. .