MCQ Pharmacognosy UNIT - 3 (TEST - 5)

 

PHARMACOGNOSY MCQ (TEST 5)  

MULTIPLE CHOICE QUESTIONS

S. Y. B.PHARM (UNIT-3) SEM-IV 

AS PER PCI SYLLABUS

1. In tissue culture system, this is the main effect of cytokines

  A) adventitious root formation  
B) shoot elongation
C) induction of somatic embryos
D) adventitious shoot formation

... Answer is D)
In tissue culture system, this is the main effect of cytokines adventitious shoot formation. "

2. Which of the following statement is incorrect about agar?

A) Remains stable at incubation temperature
B) Does not react with media constituents
C) Does not use in micropropagation work
D) Not digested by plant enzymes

... Answer is C)
Does not use in micropropagation work. .

3. This is not a basic component of culture media for plant cultivation

A) amino acids
B) sucrose/sugar
C) serum albumin
D) a complex mixture of salts

... Answer is C)
serum albumin.

4. Which of the following plant propagation method uses girdling?

A) cuttings
B) grafting
C) layering
D) both (A) and (B)

... Answer is D)
both (A) and (B) "

5. The ability of single cells to divide and produce all differentiated cells in the entity.

A) Multipotent
B) Totipotency
C) Pluripotent
D) Unipotent

... Answer is B)
Totipotency .

6. Root culture of Tomato is well established in …… .

A) N-6 medium
B) MS medium
C) B-5 medium
D) White’s medium

... Answer is D)
Root culture of Tomato is well established in White’s medium. .

7. B-5 medium is also known as ……

A) Gamborg Medium
B) MS medium
C) Nitsch’s medium
D) White medium

... Answer is A)
B-5 medium is also known as Gamborg Medium.

8. Cereal Anther culture is suitable in ……

A) B-5 medium
B) N-6 medium
C) Nitsch’s medium
D) MS medium

... Answer is B)
Cereal Anther culture is suitable in N-6 medium.

9. High concentration of auxin promotes ……

A) Root
B) Shoot
C) Callus
D) Both shoots and roots

... Answer is C)
High concentration of auxin promotes Callus. .

10. Medium pH is optimum for tissue culture is ……

A) 5-6
B) 4.5
C) 7.0
D) 6-8

... Answer is A)
Medium pH is optimum for tissue culture is 5-6. "

11. Which of the following is the first transgenic crop?

A) flax
B) tobacco
C) plastic
D) cotton

... Answer is B)
Tobacco. .

12. Which of the following is not a feature of plant cells?

A) Consists of plastids
B) Cell wall outside the cell membrane
C) Presence of centrioles
D) Cell-cell communication through plasmodesmata

... Answer is C)
Presence of centrioles. .

13. Which of the following is a superbug?

A) virus
B) bacteria
C) transgenic plant
D) worms

... Answer is B)
bacteria .

14. The time duration for sterilization process by using autoclave is ______ minutes and the temperature is _______

A) 10 to 30 minutes and 125° C
B) 10 to 20 minutes and 121° C
C) 15 to 20 minutes and 125° C
D) 15 to 30 minutes and 121° C

... Answer is D)
15 to 30 minutes and 121° C. .

15. Select the incorrect statement from given statement

A) tonic used for cardiac arrest is obtained from Digitalis purpuria
B) Medicine used to treat Rheumatic pain is extracted from Capsicum annum
C) An anti malarial drug is isolated from Cinchona officinalis.
D) Anti-carcinogenic property is not seen in Catharanthus roseus.

... Answer is D)
Anti-carcinogenic property is not seen in Catharanthus roseus.. .

16. Live attenuated vaccine is ……

A) Plague
B) Typhoid
C) Rabies
D) Oral Polio

... Answer is D)
Live attenuated vaccine is Oral Polio. .

17. Virus free plants are developed from

A) Organ culture
B) Meristem culture
C) Protoplast culture
D) Cell suspension culture

... Answer is B)
Meristem culture .

18. This is a cellular totipotency property.

A) plants
B) animals
C) virus
D) none of the above

... Answer is A)
Plants. .

19.  Growth of plant tissues in artificial media is called _______.

A) transgenesis
B) gene expression
C) plant tissue culture
D) cell hybridization

... Answer is C)
Growth of plant tissues in artificial media is called plant tissue culture. .

20. Name the term given to the ability of single cells to divide and produce all the differentiated cell in the organism?

A) Unipotent
B) Pluripotent
C) Totipotency
D) Multipotent

... Answer is C)
Totipotency .