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

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Question # 1

Cryptostegiagrandiflorais a cultivated ----------- growing in gardens.

Question # 2

In ------------- long flowering stalk develops

Question # 3

Aggregates of closely related species

Question # 4

Parasexuality is a special type of genetic recombination which is showed by which group of fungi

Question # 5

Fruits of labiateae is

Question # 6

The other name of glycolysis is

Question # 7

--------- lives for more than two growing seasons

Question # 8

Seeds of members of family pharmacies are

Question # 9

A fungal hyphae having 2 nuclei of different genetic type is called as

Question # 10

Fruit of Ranunculaceae is

Question # 11

What are the major decomposers of the biosphere contributing to the recycling of the elements used by living things?

Question # 12

Second largest family of glowering plants

Question # 13

Botanists were agreed that scientific names should be in

Question # 14

Nullo gamete is

Question # 15

The botanical name of Kala Zira is

Question # 16

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

Question # 17

In ecosystem an eagle may eat blue birds may eat insects, like caterpillar which feeds on green leaves this is a example of

Question # 18

Green color blindness is called

Question # 19

Certain hornlike projections are given out from the back of anthers

Question # 20

Genera with common characteristics are grouped into a more inclusive group

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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 Fruits of labiateae is
A. Pome
B. Pappus
C. Drupe
D. Carcerulus
2 The phenomenon of interference / hide the effect of one gene present at one locus by the other gene present at other locus is called
A. Epistasis
B. Crossing over
C. Gene linkage
D. Synapsis
3 A symbiotic association between certain fungi and certain photoautotrophes either green algae or a cyanobacterium or sometimes both is termed as
A. Mycorrhizae
B. Lichens
C. Endomycorrhizae
D. Ectomycorrhizae
4 When a species is described in one genus and later transferred to another genus, the specific epithet
A. Homonym
B. Synonym
C. Legitimate
D. Illegitimate
5 The species which is at the threat of danger of extinction is called
A. Endangered species
B. Extinct species
C. Threatened species
D. All of these
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 In fishes, gill pouches develop into
A. Gills
B. Threat & Middle ear
C. Eustachian tubes
D. Both A and B
8 The transference of pollen grains on the stigmatic surface is brought by a special structure
A. Polonium
B. Gynoestigium
C. Corpusculum
D. Translator
9 Historical remnants of structures that had important function in ancestors but are no longer essential presently are called
A. Analogous organs
B. Vestigial organs
C. Fossils
D. None of these
10 An ecosystem is forged from bare rock, sand or clear glacial pool where there is no trace of previous life it refers to
A. Secondary succession
B. Hydrosere
C. Xerosere
D. primary succession

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