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

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

Question # 2

The present international code of botanical nomenclature consists of ---------- rules.

Question # 3

Leaves of ---------- are used for the treatment of asthma

Question # 4

If two substances move in different directions, through the membrane, the contransport is called;

Question # 5

Following statement is in accordance to Darwinisw

Question # 6

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

Question # 7

Mycorrhiza is an association between roots of plants growing in acid soil and certain fungi to which relation it belongs

Question # 8

The botanical name of plum is

Question # 9

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

Question # 10

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

Question # 11

Males suffering from Jacobs's syndrome have sex chromosomes

Question # 12

Natural system of classification is based on characters

Question # 13

Niche is a brad term which refers to all these statements except which one

Question # 14

It includes the plants in which perianth is absent or reduced

Question # 15

The appendages of anthers form a corona

Question # 16

In Aerobic respiration, the waste product in plants is produced in the form of

Question # 17

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

Question # 18

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

Question # 19

Cohesion theory of ascent of sap is proposed by

Question # 20

While studying the components of an ecosystem what is the biotic component in all these examples?

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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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    ABDUL BASIT 27 - Jan - 2021 43 Min 22 Sec 33/100
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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 The characters of constant nature which are used to define a group are
A. Synthetic
B. Systematic
C. Variations
D. Diagnostic
3 Wilhelm Eichler divided plants into two groups
A. Bryophytes and pteriidophytes
B. Gymnosperms and angiosperms
C. Thalophytes and carmophytes
D. Cryptogamy and Phanerogamy
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 Thin layer of earth in which all living organism exist is known as
A. Habitat
B. Niche
C. Biosphere
D. Ecological niche
6 --------- lives for more than two growing seasons
A. Binnials
B. Annuals
C. Perenials
D. Bicarpic
7 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
8 The collection of stomatal pores guard cells and subsidiary cells is called;
A.

Stomatal Apparatus

B.

Guard cells complex

C.

None

D.

Both a & b
9 It includes the plants in which perianth is absent or reduced
A. Apocarpae
B. Nudiflorae
C. Heteromarae
D. Glumacae
10 It is one of the two or more specimen cited by an author of the species when no holotype was designated
A. Isotype
B. Lctotype
C. Syntype
D. Paratype

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