Hello, here I am providing you the PU CET exam papers as under:

1. Who is regarded as father of Taxonomy ?
(A) Hutchinson (B) Engler
(C) Linnaeus (D) Theophrastus

2. The system of classification of Angiosperms that is based on a few number of characters is referredto as :
(A) Natural system (B) Artificial system
(C) Phylo-genetic system (D) Genetic system

3. The species inhabiting the same geographical areas are :
(A) Sibling (B) Sympatric
(C) Allopatric (D) Taxonomic

4. Binomial nomenclature refers to :
(A) One Latin name and one vernacular name
(B) One scientific name and one Latin name
(C) One scientific name and one vernacular name
(D) One generic name and one specific name

5. Phylogeny refers to :
(A) A group of phyla (B) Life history of plants
(C) Genetics of animals (D) Evolutionary history of species from its ancestors.

6. Which of the phyla has the highest number of species ?
(A) Arthropoda (B) Annelida
(C) Mollusca (D) Echinodermata

7. Cyanobacteria refer to :
(A) Autotrophic prokaryotes with characteristic bluegreen pigments
(B) Bacteria infecting the cyanophycean algae
(C) Viruses infecting bluegreen alagae
(D) Cynophycean members infecting bacteria

8. Marchantia is a bryophyte since it does not have :
(A) Vascular tissue (B) Roots
(C) Independent sporophyte (D) Seeds

9. The fern leaves are known as :
(A) Blades (B) Sporophylls
(C) Lamina (D) Fronds

10. Young leaves of Cycas show :
(A) Simple venation (B) Circinate venation
(C) Alternate arrangement (D) Opposite arrangement

11. The seed of Pinus is :
(A) Covered and non-endospermic
(B) Naked and non-endospermic
(C) Abaxially placed and covered
(D) Adaxially placed naked and endospermic

12. The petiole modified into leaf like structure is known as :
(A) Phylloclade (B) Phyllode
(C) Cladode (D) Cladophyll

13. Scutellum is the first leaf of :
(A) Gymnosperms (B) Monocots
(C) Dicots (D) Pteridophytes

14. Nucleus is absent in :
(A) Xylem parenchyma (B) Phloem parenchyma
(C) Mature sieve cells (D) Companion cells

15. The dead cells that have a mechanical function are called as :
(A) Parenchyma (B) Collenchyma
(C) Sclerenchyma (D) Companion cells

16. The water potential increases due to :
(A) Addition of solutes (B) Pressure
(C) Evaporation (D) Afforestation

17. Which of the following elements is required for Photolysis of water :
(A) Magnesium (B) Manganese
(C) Calcium (D) Zinc

18. The translocation of sugars in angiosperms occurs in the form of :
(A) Glucose (B) Fructose
(C) Sucrose (D) Lactose

19. Which element is essential as electron carrier :
(A) Potassium (B) Iron
(C) Zinc (D) Calcium

20. The plants bend towards light because :
(A) The roots send the message to the stem to do so
(B) The stems like sunlight
(C) The food material is translocated from leaves to stem causing bending
(D) Due to secretion of growth promoting substances at the tip

21. A search method based on examining each item in a sequence until the desired item is found or the

sequence is exhausted is :

(A) Sequential search (B) Minimax search

(C) Hill-Climbing search (D) Heuristic search

22. Hexadecimal means :

(A) Six (B) Ten

(C) Sixteen (D) Eight

23. Which of the following is not an encoding scheme ?

(A) ASCII (B) IEEE

(C) ISCII (D) UNICODE

24. Which of the following is not a register ?

(A) Accumulator (B) Stack Pointer

(C) Buffer (D) Program Counter
25. Which of the following 4-bit number equals its 2’s Complement ?

(A) 1010 (B) 1000

(C) 0101 (D) 1100

26. Pick-out the correct statement :

(A) ROM is a read/write memory (B) PC points to the last instruction to be executed

(C) CPU has a single numerical processor (D) RAM is a read/write memory

27. If a particular idea is to be implemented in hardware or software, the factor that favours hardware

implementation is :

(A) cost- effectiveness (B) speed of operation

(C) frequent changes expected (D) facilitates easy implementation of new instruction

28. The basic unit of measurement used for measuring opposition to current flow in a circuit is :

(A) volt (B) ampere

(C) ohm (D) watt

29. Programming in a language that actually controls the path of signals or data within a computer is called :

(A) Micro-programming (B) System programming

(C) Assembly programming (D) Machine programming

30. Which of the following is not a port/connection ?

(A) PS-2 (B) COM

(C) SMPS (D) LPT

31. What is the correct definition for a string variable ?

(A) string mystr; (B) string mystr [20];

(C) char mystr; (D) char mystr [20];

32. The sentence “Hello world !” uses _______ elements in a character array.

(A) 10 (B) 11

(C) 12 (D) 13

33. What is the output of the following code ?

for (int a = 1; a < = 1; a++) cout << a++; cout << a;

(A) 22 (B) 12

(C) 13 (D) 23

34. Assume there are three boolean variables: a =false, b=false, c=true. What is the value of the following

statement ?

(A) True (B) False

(C) Something other than true and false (D) -1

35. Inheritance is a way to :

(A) organize data

(B) pass arguments to objects of classes

(C) add features to existing classes without rewriting them

(D) improve data-hiding and encapsulation

36. What is a Constructor ?

(A) A function called when an instance of a class is initialized

(B) Function that is called when an instance of a class is deleted

(C) A special function to change the value of dynamically allocated memory

(D) A function that is called in order to change the value of a variable

37. Which of the following gives the value stored in pointer a ?

(A) a; (B) val(a);

(C) *a; (D) &a;

38. Array passed as an argument to a function is interpreted as :

(A) Address of the array (B) Value of the first element of the array

(C) Address of the first element of the array (D) Number of elements of the array

39. Which of the following is the feature of stack ?

(A) All operations are at one end (B) It cannot reuse its memory

(C) All elements are of different data types (D) Any element can be accessed from it directly

40. What is the Postfix Expression for the following Infix (Inorder) expression ?

(A) 23*45/- (B) 23*-45/

(C) 23*45-/ (D) *23/45-

41. Binary search requires data to be in what order ?

(A) Increasing (B) Decreasing

(C) Random (D) Sorted

42. You are making your own database so that you can organize information about your ‘Top 100’ movies.

You want to include information like Title, Actor (s), Director, Year etc. Each record in your database

will represent :

(A) An actor (B) A director

(C) A year (D) A movie

43. What will be a suitable criterion that should be entered for a query to search for Employee Names

beginning with M ?

(A) Start with M (B) Like M

(C) Like M* (D) Like ‘M*’

44. A field that is a primary key in another table is called a _______ .

(A) special key (B) foreign key

(C) simple key (D) composite key

45. This aggregate SQL function will return the number of rows in a database table :

(A) COUNT (*) (B) Rows (*)

(C) NUM (*) (D) SUM (*)

46. INSERT INTO __________ VALUES (value 1, value 2) :

What belongs in the blank ?

(A) the table name (B) the database name

(C) the column (s) name (D) the row number

47. Convert the hexadecimal number 59 into binary :

(A) 1001101 (B) 1010101

(C) 1011001 (D) 1101101

48. For a three inputs (A, B, C) OR gate, what inputs are needed if output = 0 ?

(A) A = 0, B = 0, C = 1 (B) A = 0, B = 1, C = 0

(C) A = 1, B = 1, C = 1 (D) A = 0, B = 0, C = 0

49. Given F = A ́B+ (C ́+E) (D+F ́), use de Morgan’s theorem to find F ́.

(A) ACE ́+BCE ́+D ́F (B) (A+B ́) (CE ́D ́F)

(C) A+B+CE ́D ́F (D) ACE ́+AD ́F+B ́CE ́+B ́D ́F

50. Which of the following functions equals the function: f=x+yz ́ ?

(A) x (y ́+z) (B) (y+x) (z ́+x)

(C) (y+x ́) (x ́+z ́) (D) (y+x) (x+z)

51. Which topology requires a central controller or hub ?

(A) Mesh (B) Star

(C) Bus (D) Ring

52. In_______transmission, the channel capacity is shared by both communicating devices at all times :

(A) Simplex (B) Half-duplex

(C) Full-duplex (D) Half-simplex

53. ________is the protocol suite for the current Internet.

(A) TCP/IP (B) NCP

(C) UNIX (D) ACM

54. In C++, to write data containing variables of type float, to an object of type of stream, you should use :

(A) The insertion operator (B) seek ()

(C) write () (D) put ()

55. A message from device A consists of packet X and packet Y. In the virtual circuit approach to packet

switching, packet Y’s path ____________ packet X’s.

(A) is the same as (B) is dependent on

(C) is independent of (D) is always different from

56. There are n devices arranged in a ring topology. A device is deleted. There are now _____ links of

cable.

(A) n – 1 (B) n – 2

(C) n (D) n + 1

57. Which factor makes twisted-pair cable superior to fiber-optic cable ?

(A) signal attenuation (B) noise resistance

(C) bandwidth range (D) cost
58. What is the class of the address 227.78.19.21 ?

(A) A (B) B

(C) C (D) D

59. What is a URL ?

(A) a computer software program

(B) an address of machine

(C) the address of a document or page on the World Wide Web

(D) an acronym for Unlimited Resources for Learning

60. A ___________ is a software program used for viewing various kinds of Internet resources found on

the World Wide Web :

(A) Bookmark (B) Browser

(C) Domain (D) Intranet