NAT IIB Biological Science Preparation Online Test for Pakistani Students

NAT II Biological Science

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  • Total Questions20

  • Time Allowed25

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NAT II Biological Science

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Question # 1

It is one of the two or more specimen cited by an author of the species when no holotype was designated

Question # 2

The anthers are two celled and pollen grains are in the form of tetrads and are found in the sac like sturctures

Question # 3

The criteria of the classification are the ----------- on which the classification is based.

Question # 4

Cytochrome 'c' found is all aerobic species is a respiratory

Question # 5

It includes the plants in which perianth is absent or reduced

Question # 6

The species with the same specific epithet cannot occur in the genus. If this happens, they are called

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

1. ----------- is the process in which plasma membrane starts pulling away from the cell wall;

Question # 11

The botanical name of date (khajoor) is

Question # 12

In fungi asexual reproduction occurs by all these method except which one

Question # 13

Major types of ecosystems, those that occupy board geographical regions are called

Question # 14

Parasitic fungi absorb nutrients directly from the living host cytoplasm with the help of hyphal tips called as

Question # 15

Following statement is in accordance to Darwinisw

Question # 16

Bark of Quillajasaponariais used in perparing

Question # 17

Translocation into developing organs, i.e. Roots, tubers and reproductive organs is called;

Question # 18

In Zygomycota during sexual reproduction, zygota formed directly by the fusion of hyphae forms temporary, dormant, thick walled resistant structure called as

Question # 19

Plants of asclepiadaceae are mostly

Question # 20

Fruit of Ranunculaceae is

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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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    Ghulam zara 13 - Sep - 2018 53 Min 28 Sec 71/100
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    Zenab Zenab 20 - Jun - 2024 00 Min 15 Sec 39/40
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    haider 21 - May - 2018 49 Min 45 Sec 39/100
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    sehrishbatool 03 - Aug - 2018 107 Min 41 Sec 37/100
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    ABDUL BASIT 27 - Jan - 2021 43 Min 22 Sec 33/100
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    AZka Batool 28 - Jul - 2018 71 Min 59 Sec 32/100

NAT-II Botony Important MCQ's

Sr.# Question Answer
1 Vegetative parts of --------- are easier to observe than reproductive parts
A. Angiosperms
B. Gymnosperms
C. Bryophytes
D. Pteridophytes
2 Family labiateae is also called
A. Lamiaceae
B. Labiaceae
C. Lambitaceae
D. None
3 In ------------- long flowering stalk develops
A. Parthenocarpy
B. Elongation
C. Vernalizaion
D. Bolting
4 What is the contrasting feature on the basis of which fungi are considered different from animals?
A. Lack cellulose in their cell wall
B. Heterotrophs
C. Contains chitin
D. Non-motile
5 Saccharomyces cervisiae is the most commonly exploited yeast which feature highlights their economic improtance
A. Asexual reproduction
B. Unicellular
C. They ferment carbohydrate to ethanol and carbon dioxide
D. Sexual reproduction
6 Cucumissativusis the botanical name of
A. Bitter gourd
B. Vegetable marrow
C. Cucumber
D. Watermelon
7 Two species with the same specific epithet cannot occur in the genus. If this happens, the earlier valid name will retain and the latter will become it
A. Homonym
B. Synonym
C. Legitimate
D. Illegitimate
8 Plants of family asclepiadaceae are used to treat
A. Gastric disorders
B. Skin disorders
C. Maternal disorders
D. None of these
9 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
10 When a single gene effects two or more traits the phenomenon is called
A. Epistasis
B. Bombay phenotype
C. Gene linkage
D. Pleiotropic

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