NAT IIB Biological Science Preparation Online Test for Pakistani Students

NAT II Biological Science

Try The NAT II Biological Science

  • Total Questions20

  • Time Allowed25

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NAT II Biological Science

00:00
Question # 1

Historical remnants of structures that had important function in ancestors but are no longer essential presently are called

Question # 2

Which statement is not true about the family Euphorbiaceae

Question # 3

Fungi are used in food industry, which fungi is used in bakery for flavor, aroma, color to some cheese

Question # 4

The group of enzymes that bring about non-hydrolytic addition or removal of substrate are

Question # 5

A sex limited trait is limited to only one sex due to

Question # 6

Fruit of labiateae consists of four ------------- nutlets.

Question # 7

The non-protein part covalently bonded to enzyme is

Question # 8

The appendages of anthers form a corona

Question # 9

The botanical name of Kala Zira is

Question # 10

Which one of these is a predatory fungus?

Question # 11

Fungi cause certain animal diseases. How Ringworm and athlete's foot are caused by fungi

Question # 12

When a single gene effects two or more traits the phenomenon is called

Question # 13

------------ are the reaction that takes place during the light phase of photosynthesis

Question # 14

Family curcifereae is characterized by the persence of ------------ corolla

Question # 15

It is a specimen chosen by later worked from original material studied by the author of the species

Question # 16

Seeds of family ---------- bear a tuft of hairs

Question # 17

Ray florets have ------------ flowers

Question # 18

Protanopia is

Question # 19

Seed of family Ranunculaceae is

Question # 20

It is a duplicate specimen of holotype collected as same place and time

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Here is List Of Chapter Wise Tests

Ch. # Test Name MCQs Available PDF File Launch Test
0 NAT-IIB Biological Science Botany Hard Test 163 Download PDF Launch Test

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NAT-II Botony Important MCQ's

Sr.# Question Answer
1 In Zygomycota during sexual reproduction, zygota formed directly by the fusion of hyphae forms temporary, dormant, thick walled resistant structure called as
A. Ascospores
B. Zygospores
C. Asci
D. Ascocarps
2 Gene pool is the total aggregate of gene a ----------- at any one time.
A. Individual
B. Population
C. DNA
D. Chromosome
3 Fruits of labiateae is
A. Pome
B. Pappus
C. Drupe
D. Carcerulus
4 When all the original specimens and their duplicates have been lost or destroyed
A. Lecto type
B. Neotype
C. Isotype
D. Paratype
5 If sex chromosomes are more than two in an individual, these are called as
A. Multiple sex chromosomes
B. Compound sex chromosomes
C. Autosome + sex chromosomes
D. Pseudo autosome
6 Why molds can grow on oranges and jelly kept in refrigerator where generally bacteria cannot reach
A. They are well adapted to live on land
B. Hyphae are modified
C. They can tolerate temperature extremes minus 5 degree centigrade below freezing and 50 degree centigrade or more
D. They have rhizoids
7 The oxidative change of water in photo-chemical excitation occurs in a process
A. Photo-reaction
B. Phosphorylation
C. Photo-oxidation
D. None
8 Wilhelm Eichler divided plants into two groups
A. Bryophytes and pteriidophytes
B. Gymnosperms and angiosperms
C. Thalophytes and carmophytes
D. Cryptogamy and Phanerogamy
9 Match with Lamarckism
A. Inheritance of acquired characteristics
B. Long neck of giraffe is evolved gradually as cumulative product of many generations
C. Body parts used extensively become stronger and larger
D. All A, B and C
10 Seeds of members of family pharmacies are
A. Endospermic
B. Exalbuminous
C. Both a and b
D. None of these

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