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

The phenomenon of interference / hide the effect of one gene present at one locus by the other gene present at other locus is called

Question # 2

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

Question # 3

The water culture technique for growing plants with their roots in a recirculating water solution is

Question # 4

Second largest family of glowering plants

Question # 5

Saccharomyces cervisiae is the most commonly exploited yeast which feature highlights their economic improtance

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

Gene pool is the total aggregate of gene a ----------- at any one time.

Question # 10

Brassica compestris is the member of the family

Question # 11

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

Question # 12

Genera with common characteristics are grouped into a more inclusive group

Question # 13

If sex chromosomes are more than two in an individual, these are called as

Question # 14

The majority of plants of this family provides edible fruits

Question # 15

The species which is at the threat of danger of extinction is called

Question # 16

Fruits of Emblicaofficinalis are used for making

Question # 17

A succulent berry with hard rind is commonly known as

Question # 18

The system of classification that reflects the evolution

Question # 19

The largest genus of family Solanaceae is

Question # 20

Family curcifereae is characterized by the persence of ------------ corolla

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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 The system of classification that reflects the evolution
A. Modern
B. Phylogenetic
C. Polygenic
D. Natural
2 Green color blindness is called
A. Parotanopia
B. Denteranopia
C. Tritanopia
D. Non of these
3 --------- is the process of ATP production in chloroplast is
A. Photophosphorylation
B. Dark reaction
C. Calvin cycle
D. All
4 Euphorbia Milli is a
A. Tree
B. Herb
C. Ornamental shrub
D. Ornamental herb
5 A special protein that generates voltage across a membrane is called;
A. Electrochemical protein
B. Electromagnetic Protein
C. Electrogenic protein
D. Proteogenic protein
6 The oxidative change of water in photo-chemical excitation occurs in a process
A. Photo-reaction
B. Phosphorylation
C. Photo-oxidation
D. None
7 Brassica compestris is the member of the family
A. Cucurbitaceae
B. Crucifereae
C. Compositeae
D. Ranunculaceae
8 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
9 The criteria of the classification are the ----------- on which the classification is based.
A. Groups
B. Divisions
C. Characters
D. Orders
10 Seed of family Ranunculaceae is
A. Endospermic
B. Endosperm oily
C. pericarp
D. Both a and b

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