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

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

Question # 2

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

Question # 3

Botanical name of tomato

Question # 4

A symbiotic association between certain fungi and certain photoautotrophes either green algae or a cyanobacterium or sometimes both is termed as

Question # 5

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

Question # 6

Which one of the following is a biotic component?

Question # 7

A succulent berry with hard rind is commonly known as

Question # 8

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

Question # 9

The transference of pollen grains on the stigmatic surface is brought by a special structure

Question # 10

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 # 11

Which of the following describes the process of natural selection?

Question # 12

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

Question # 13

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

Question # 14

Mushroom belongs to group of club fungi and has septate, length dikaryotic phase, which is the main phylum to which it belongs

Question # 15

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

Question # 16

Natural system of classification is based on characters

Question # 17

Certain hornlike projections are given out from the back of anthers

Question # 18

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

Question # 19

He distinguished gymnosperms as naked seeded are enclosed in vessels

Question # 20

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

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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 plants the process of respiration is also termed as;
A. Tissue respiration
B. Eqidermal respiration
C. Both a & b
D. Cutaneous Respiration
2 When all the original specimens and their duplicates have been lost or destroyed
A. Lecto type
B. Neotype
C. Isotype
D. Paratype
3 --------- is the process of ATP production in chloroplast is
A. Photophosphorylation
B. Dark reaction
C. Calvin cycle
D. All
4 A succulent berry with hard rind is commonly known as
A. Drupe
B. Pome
C. Pepo
D. None
5 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
6 The system of classification that reflects the evolution
A. Modern
B. Phylogenetic
C. Polygenic
D. Natural
7 The anthers are two celled and pollen grains are in the form of tetrads and are found in the sac like sturctures
A. Polonium
B. Gynoestigium
C. Corpusculum
D. Translator
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 Members of family -------- are a source of camphor
A. Cucurbitaceae
B. Labiaceae
C. Compositeae
D. Malvaceae
10 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

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