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

In ---------- stems & roots of plants increase in diameter

Question # 2

Which one of these is a predatory fungus?

Question # 3

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

Question # 4

--------- is the process of ATP production in chloroplast is

Question # 5

--------------- are the plants that flower only once and then die

Question # 6

Certain hornlike projections are given out from the back of anthers

Question # 7

Aggregates of closely related species

Question # 8

The genus name and the specific epithet together

Question # 9

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

Question # 10

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

Question # 11

Match with Lamarckism

Question # 12

Members of compositeae are

Question # 13

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

Question # 14

Raphanussativusis the botanical name of

Question # 15

Largest family of angiosperm

Question # 16

Family ------------ incluldes 100 genera and 850 species

Question # 17

Stephen Endlicher classified plants into two major groups

Question # 18

He distinguished gymnosperms as naked seeded are enclosed in vessels

Question # 19

Nullo gamete is

Question # 20

An organism that is caught and eaten is called

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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 Males suffering from Jacobs's syndrome have sex chromosomes
A. XXX
B. XO
C. XXY
D. XYY
2 An organism that is caught and eaten is called
A. Predator
B. Prey
C. Ectoparasites
D. Endoparasites
3 The genus name and the specific epithet together
A. Scientific name
B. Nomenclature
C. Binomial
D. Specific name
4 Mycorrhiza is an association between roots of plants growing in acid soil and certain fungi to which relation it belongs
A. Symbiosis
B. Commensalism
C. Grazing
D. Grazers
5 Botanists were agreed that scientific names should be in
A. English
B. Latin
C. Greek
D. Spanish
6

1. ----------- is the process in which plasma membrane starts pulling away from the cell wall;
A. Incipient plasmolysis
B. Indirect plasmolysis
C. Critical Phasmolysis
D. None
7 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
8 The largest genus of family Solanaceae is
A. Solanum
B. Capsicum
C. Lyceum
D. Atropa
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 Major types of ecosystems, those that occupy board geographical regions are called
A. Climax community
B. Biome
C. Planetary ecosystem
D. Community

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