Biology Practice Test 2

Biology Practice Test 2 is designed to help students strengthen their understanding of key biological concepts, theories, and processes for competitive entry tests like MDCAT, NUMS, AKU, UET, ECAT, NTS, as well as FSC Board Exams. This test covers topics from molecular biology, cell division, human physiology, plant physiology, and more, helping students improve accuracy and retention.

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1 / 100

Category: Biology Ch 5 Class 11

Viral disease that is widely spread and caused by enveloped RNA virus is:

NUMS 2015
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) AIDS

B) Hepatitis

C) Measles

D) Influenza

2 / 100

Category: Biology Ch 6 Class 11

Some bacteria ranging occasionally a size of 500 ?m in length are

Escherichia coli

Spirochetes

Mycoplasma

Epulopiscuim

3 / 100

Category: Biology Ch 5 Class 11

The shape of the tobacco mosaic virus is:

NUMS 2016
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Spring shape

B) Rod shape

C) Comma shape

D) Spherical shape

4 / 100

Category: Biology

Muscular tube that passes through pharynx and joins stomach is:

NUMS Mock 1
Biology
Nutrition

A) Trachea

B) NG tube

C) Nerve canal

D) Esophagus

5 / 100

Category: Biology Ch 9 Class 12

Liposomes are:

PMC 2021 Tested
Biology
Biotechnology
Elimination Tool:

A) All of these

B) Made of at least one lipid bilayer

C) Artificial

D) Used to deliver drugs

6 / 100

Category: Biology Ch 13 Class 11

Which of the following is not an infection of the lungs/respiratory tract?

NUMS 2015
Biology
Gaseous Exchange
Elimination Tool:

A) Histoplasmosis

B) Tuberculosis

C) Cystic fibrosis

D) None of the given options

7 / 100

Category: Biology Ch 5 Class 11

What type of virus is the smallpox virus?

PMC Sample 1
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) DNA enveloped virus

B) RNA enveloped virus

C) DNA virus

D) RNA naked virus

8 / 100

Category: Biology Ch 2 Class 12

How many metacarpals are present In the hand?

NTS 2013
Biology
Support and Movement
Elimination Tool:

A) 4

B) 3

C) 6

D) 5

9 / 100

Category: Biology Ch 9 Class 11

Which of the following statements is a correct distinction between autotrophs and heterotrophs?

PMC Practice 7
Biology
Kingdom Plantae
Elimination Tool:

A) Only heterotrophs require chemical compunds from the environment

B) Cellular respiration is unique to heterotrophs

C) Autotrophs, but not heterotrophs can nourish themselves beginning with nutrients that are entirely inorganic.

D) Only heterotrophs have mitochondria

10 / 100

Category: Biology

Q.51 Which of the following is the respiratory surface in human beings?

A. Lungs

B. Alveoli

C. Windpipe

D. alveolar duct

11 / 100

Category: Biology Ch 5 Class 12

The process of aging:

NUMS 2015
Biology
Growth and Development
Elimination Tool:

A) Can be slowed down by adequate sleep

B) Can be slowed down by regular meals

C) Cannot be slowed down in any way

D) can be slowed by adequate sleep and regular meal

12 / 100

Category: Biology Ch 4 Class 11

Protein layers which are NOT continuous on the surface make ________ percent of total in plasma membrane.

NUMS 2019 Cancelled
Biology
Cell Structure and Function
Elimination Tool:

A) 50 – 60

B) 60 – 70

C) 60 – 80

D) 70 – 80

13 / 100

Category: Biology Ch 2 Class 11

Ribosomes are composed of almost an equal amount of:

NUMS 2018
Biology
Biological Molecules
Elimination Tool:

A) Protein & Lipid

B) Protein & RNA

C) RNA & Lipid

D) RNA & Carbohydrates

14 / 100

Category: Biology

Q.56 Which of the following is nota viral disease?

A. Smallpox

Mumps

C. Tetanus

D. Cowpox

15 / 100

Category: Biology

Q.36 The retinal is important for___________ of human

A. Vision

B. Metabolism

C. Muscle contraction

D. Muscle twitch

16 / 100

Category: Biology Ch 3 Class 11

Restriction endonucleases

PMC Sample 2
Biology
Enzymes
Elimination Tool:

A) are bacterial enzyme

B) convert RNA to DNA

C) hydrolyze protein into amino acids

D) get mutated for DNA repair

17 / 100

Category: Biology Ch 13 Class 12

The position of an organism in a food chain of an ecosystem called:

NUMS 2018
Biology
Man and His Environment
Elimination Tool:

A) Level of ecosystem

B) Food chain

C) Food web

D) Trophic level

18 / 100

Category: Biology

Q.62 The animals that have features of both mammals and reptiles are?

A. Duckbill platypus

B. Spiny anteater

C. Wolves

D. Both A and B

19 / 100

Category: Biology Ch 9 Class 12

By PCR we mean:

UHS 2018
Biology
Biotechnology
Elimination Tool:

A) Polymerase chronic reaction

B) Polymerase chain reaction

C) Polymerase copy reaction

D) Polymerase cross reaction

20 / 100

Category: Biology Ch 3 Class 11

Which of the following statements is incorrect?

PMC Practice 1
Biology
Enzymes
Elimination Tool:

A) The competitive inhibitor affects the rate of breakdown of the enzyme-substrate complex

B) The presence of the competitive inhibitor decreases the Km of the enzyme for the substrate

C) A competitive inhibitor reacts reversibly with the enzyme to form an enzyme-inhibitor complex

D) In competitive inhibition, the inhibitor molecule is not chemically changed by the enzyme

21 / 100

Category: Biology

Q.29 Fluid secreted by Sertoli cells provides sperms with which of the following ?

A. Liquid medium

B. Protection

C. Nourishment

D. All of these

22 / 100

Category: Biology

The element in basic structure of proteins which differentiate them from carbohydrates is?

NUMS Mock 1
Biology
Biological Molecules

A) Carbon.

B) Hydrogen.

C) Nitrogen.

D) None of these options is correct.

23 / 100

Category: Biology Ch 4 Class 12

Which characteristic is not of identical twins

. Produced by separation of two blastomeres

Have different genetic makeup

Produced asexually

Produced when embryo is at two cell stage

24 / 100

Category: Biology Ch 4 Class 12

In cloning, nucleus is introduced into

Somatic cell

Egg cell

Sperm cell

None of thes

25 / 100

Category: Biology Ch 3 Class 12

The nerve center for sight is located in the

NUMS 2014
Biology
Coordination and Control
Elimination Tool:

A) Thalamus

B) Myopic

C) Both a and b

D) None of these

26 / 100

Category: Biology Ch 12 Class 11

In human gut, chylomicrons are formed by the combination of:

NUMS 2020
Biology
Nutrition
Elimination Tool:

A) Proteins and carbohydrates

B) Fats and proteins

C) Fats and carbohydrates

D) Vitamins and fats

27 / 100

Category: Biology Ch 8 Class 11

Which of the following endoparasites of humans does show viviparity?

NTS 2018
Biology
Kingdom Fungi
Elimination Tool:

A) Trichinella spiralis

B) Ascaris lumbricoides

C) Ancylostoma duodenale

D) Enterobius vermicularis

28 / 100

Category: Biology Ch 11 Class 11

In electron transport chain, ATP synthesis takes place when electrons move from:

PMC 2020
Biology
Bioenergetics
Elimination Tool:

A) Primary Electron Acceptor (PEA) to Plastoquinone (Pq)

B) Plastoquinone (Pq) to cytochromes

C) Cytochrome to Plastocyanin (Pc)

D) Plastocyanin (Pc) to Photosystem I (PS I)

29 / 100

Category: Biology

_____ are more common in human males and females.

NUMS Mock 3
Biology
Variation and Genetics

A) X-linked dominant traits

B) X-linked recessive traits

C) Y-linked dominant traits

D) Autosomal linked recessive traits

30 / 100

Category: Biology Ch 2 Class 11

Reactions in which simple substances are combined to form complex substances are called:

Metabolic reactions

Catabolic reactions

Anabolic reactions

None of these

31 / 100

Category: Biology Ch 12 Class 11

A part of the digestive system that is not in contact with food is the:

NTS 2017
Biology
Nutrition
Elimination Tool:

A) Small intestine

C) Liver

B) Stomach

D) Large intestine

32 / 100

Category: Biology Ch 8 Class 11

Lichen is a symbiotic mutualistic association of fungi with

Autotrophs

Roots of vascular plants

Green algae and cyanobacterium

Leguminous plants

33 / 100

Category: Biology Ch 4 Class 11

Etioplasts found in plants are actually one of the types of:

NUMS 2015
Biology
Cell Structure and Function
Elimination Tool:

A) Chloroplasts

B) Chromoplasts

C) Leucoplasts

D) None of the given options

34 / 100

Category: Biology Ch 10 Class 11

Class Elasmobranchi have an outer covering of?

NTS 2015 DUHS and JSMU
Biology
Kingdom Animalia
Elimination Tool:

A) Placoid scale

B) Cycloid

C) Ctenoid scales

D) Epidermal scales

35 / 100

Category: Biology

Q42 The process that secretes insulin from the cell is called?

A. Endocytosis

B. Pinocytosis

C. Phagocytosis

D. Exocytosis

36 / 100

Category: Biology Ch 8 Class 12

A man with blood group “A” marries a woman of blood group “B”. Both are heterozygous. What is the off-springs having phenotype “O”

Zero

25%

50%

75%

37 / 100

Category: Biology Ch 9 Class 12

A genomic library is a collection of

Bacterial clones

Bacteriophage clones

Viral clones

Both a and b

38 / 100

Category: Biology Ch 4 Class 12

What is critical in photoperiodism?

Length of light period

Length of dark period

Both a and b

None of these

39 / 100

Category: Biology Ch 4 Class 12

Menstruation, the shedding of the lining of the uterus (endometrium), is accompanied by:

NUMS 2019 Cancelled
Biology
Reproduction
Elimination Tool:

A) Shivering

B) Fever

C) Bleeding

D) Vomiting

40 / 100

Category: Biology Ch 9 Class 12

First restriction enzyme was isolated by

Kary Mullis B

Hamilton O. Smith

Maxam Gilbert

Hamilton John

41 / 100

Category: Biology Ch 1 Class 11

A structure formed by groups of similar cells organized into loose sheetsor bundles performing similar functions is called as:

An organ

An organism

A Tissue

A Cell

42 / 100

Category: Biology

Q.54 Which of the following elements are not found in carbohydrates?

A.C

B.H

C.N

D. O

43 / 100

Category: Biology Ch 6 Class 12

In DNA A.

A forms two bonds with T

G forms three bonds with C

A forms three bonds with T

Both a and b

44 / 100

Category: Biology Ch 12 Class 11

Stunted growth of roots is due to the deficiency of _____ in plants

Potassium

Magnesium

Phosphorus

Iron

45 / 100

Category: Biology

Q.39 The fertilization of ovum takes place at:

A. Distal part of the oviduct

B. Proximal part of the oviduct

C. Middle part of the oviduct

D. Anywhere in the oviduct

46 / 100

Category: Biology

Q.6 Outbreeding increases which of the following?

A. Homozygosity

B. Heterozygosity

C. Gene linkage

D Gene pool

47 / 100

Category: Biology Ch 6 Class 12

Genetic code is a ______ code and out of 64 codons, _____ are nonsense codons.

NUMS 2019 Reconduct
Biology
Chromosomes and DNA
Elimination Tool:

A) Single ; two

B) Single ; three

C) Triplet ; two

D) Triplet ; three

48 / 100

Category: Biology

Q.18 Pick the incorrect pair:

A. Lovastatin – Lowers blood cholesterol

B. Cyclosporine – Prevents transplant rejection

C. Ergotine -Migraine relieve

D. Griseofulvin – Inhibit bacterial growth

49 / 100

Category: Biology Ch 3 Class 12

Which of the following statement about neuron is incorrect?

They not only conduct impulses but also generate them.

They are not the only cellular component of nervous system.

They may show limited regenerative capabilities.

Like all the living cell, when they mature and divide to form similar cells.

50 / 100

Category: Biology Ch 11 Class 11

FADH2 is produced during which step of the Krebs cycle?

NUMS 2019 Reconduct
Biology
Bioenergetics
Elimination Tool:

A) When Isocitrate is converted into α – ketoglutarate

B) When α – ketoglutarate is converted into Succinate

C) When Succinate is converted into Fumarate

D) When Fumarate is converted into Maltose

51 / 100

Category: Biology Ch 10 Class 12

The total aggregate of genes in a population at any one time is called population’s

Genome

Genomic library

Genetic group

Gene pool

52 / 100

Category: Biology Ch 4 Class 11

The most abundant organic compounds in a mammalian cell are:

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

A) Water

B) Lipids

C) Carbohydrates

D) Proteins

53 / 100

Category: Biology Ch 13 Class 11

Lungs are separated from abdominal cavity by a muscular sheath called:

NUMS 2018
Biology
Gaseous Exchange
Elimination Tool:

A) Pleura

B) Rib cage

C) Pericardium

D) Diaphragm

54 / 100

Category: Biology Ch 9 Class 11

Which of the following features differentiate angiosperms from gymnosperms?

UHS 2010
Biology
Kingdom Plantae
Elimination Tool:

A) Pollens disperse by air

B) Haploid microspores

C) Ovaries

D) Pollen tubes

55 / 100

Category: Biology Ch 4 Class 11

Which one of the following combinations is NOT the part of an animal cell?

NUMS 2019 Reconduct
Biology
Cell Structure and Function
Elimination Tool:

A) Central vacuole, Cell Membrane, Ribosomes

B) Chloroplast, Ribosome , Mitochondrion

C) Cell wall, Chloroplast, Central vacuole

D) Ribosome, Mitochondrion, Cell wall

56 / 100

Category: Biology Ch 9 Class 11

In Pakistan, the furniture wood is mainly obtained from the members of family:

UHS 2010
Biology
Kingdom Plantae
Elimination Tool:

A) Rosaceae

B) Solanaceae

C) Minosaceae

D) Fabaceae

57 / 100

Category: Biology Ch 2 Class 11

Which bond provides stability to complex carbohydrate molecules?

C-H

C-O

C-C

C-N

58 / 100

Category: Biology Ch 2 Class 11

When the hydroxyl group, -OH, of the carboxyl group, -COOH, of an amino acid is linked with the hydrogen of the amino group, -NH2, of another amino acid, ______ is released and a peptide bond is formed.

NUMS 2019 Reconduct
Biology
Biological Molecules
Elimination Tool:

A) NH3

B) CO2

C) H2O

D) O2

59 / 100

Category: Biology Ch 2 Class 12

Type of sclerenchyma cells found in seed coats are:

NUMS 2015
Biology
Support and Movement
Elimination Tool:

A) Fibers

B) Tracheids

C) Sclereids

D) Vessels

60 / 100

Category: Biology

Q.27 In the process of esterification OH is derived from?

A. Ether

B. Alcohol

C. Water

D. Both A and B

61 / 100

Category: Biology Ch 11 Class 12

The actual location or place where an organism lives is

Environment

Biosphere

Biomass

Habitat

62 / 100

Category: Biology

Q.56 During cyclic photophosphorylation, electrons are diverted back to:

A. Plastoquinone

B. Cytochrome complex

C. Plastocyanin

D. Ferredoxin

63 / 100

Category: Biology

Q.21 When was the Tobacco mosaic virus successfully crystalized?

A. 1935

B.1930

C. 1932

D.1920

64 / 100

Category: Biology Ch 9 Class 12

Cloning is a form of:

NUMS 2016
Biology
Biotechnology
Elimination Tool:

A) Parthenogenesis

B) Apomixis

C) Sexual reproduction

D) Asexual reproduction

65 / 100

Category: Biology

What is the role of cholesterol in the cell membrane?

NUMS Mock 4
Biology
Cell Structure and Function

A) it functions in joining adjacent cells together.

B) It functions in recognizing foreign cells.

C) It increases the rate of transport of ions across the membrane.

D) It stabilizes the cell membrane.

66 / 100

Category: Biology Ch 13 Class 11

Parabronchi are open at ______ end/s

Single

Both

Do not have opening

None of these

67 / 100

Category: Biology Ch 9 Class 12

Bacterial cells take up recombinant plasmids when they are treated with:

UHS 2015
Biology
Biotechnology
Elimination Tool:

A) CaCl2

B) NaCl

C) KCl

D) NaOH

68 / 100

Category: Biology Ch 11 Class 11

Chlorophyll molecule resemble the haem group of hemoglobin, the main difference between these two molecule is that chlorophyll has ____ ion.

NUMS 2019 Reconduct
Biology
Bioenergetics
Elimination Tool:

A) Fe2+

B) Mg2+

C) Mn2+

D) Ca2+

69 / 100

Category: Biology Ch 4 Class 11

Whone is not the function of endoplasmic reticulum?

Nerve impulse conduction

Transport of material

Mechanical support

Synthesis of conjugated molecules

70 / 100

Category: Biology

Q.51 The heavy and light chains of an antibody molecule is held together by:

A. H-bonds

B. Disulphide bridges

C. Ionic interactions

D. Hydrophobic interactions

71 / 100

Category: Biology Ch 2 Class 12

The movement of plants in response to touch stimulus is called:

NTS 2012
Biology
Support and Movement
Elimination Tool:

A) Hydrotropism

B) Chemotropism

C) Geotropism

D) Thigmotropism

72 / 100

Category: Biology Ch 7 Class 11

Which of the following statements is correct?

NUMS 2017
Biology
Kingdom Protista
Elimination Tool:

A) Viruses have their own ribosomes for protein formation

B) New viral ribosomes are formed after viral DNA enters the cell

C) Viruses do not need ribosomes for protein formation

D) Viruses use the host ribosomes for their own requirements

73 / 100

Category: Biology Ch 5 Class 11

The size of poxvirus is:

20 nm

200 nm

250 nm

300 nm

74 / 100

Category: Biology Ch 10 Class 11

The fate of each blastomere is foretold. The cleavage will be as

Spiral and indeterminate

Radial and indeterminate

Spiral and determinate

75 / 100

Category: Biology Ch 10 Class 12

Most fossils are found in the

Metamorphic rocks

Soil

Sedimentary rocks

Volcanic mountains

76 / 100

Category: Biology Ch 8 Class 12

Which traits are most likely to affect men than women?

PMC 2020
Biology
Variation and Genetics
Elimination Tool:

A) X linked recessive

B) X linked dominant

C) Autosomal dominant

D) Autosomal recessive

77 / 100

Category: Biology

How many ml of blood is pumped by each contraction of the heart?

NUMS Mock 1
Biology
Transport

A) 80 ml

B) 90 ml

C) 70 ml

D) 60 ml

78 / 100

Category: Biology Ch 2 Class 12

Ecdysone is

An enzyme that digest endocuticle during an arthropodal ecdysis.

A newly formed exoskeleton in authropods

A hormone that regulates moulting in arthropods.

A process that involves moulting.

79 / 100

Category: Biology Ch 2 Class 11

Lipids store double the amount of energy as compared to carbohydrates because of:

PMC 2020
Biology
Biological Molecules
Elimination Tool:

A) High proportion of oxygen

B) High C-O ratio

C) Low proportion of Carbon

D) High proportion of C-H

80 / 100

Category: Biology Ch 6 Class 12

“Law of independent assortment” states:

PMC 2020
Biology
Chromosomes and DNA
Elimination Tool:

A) That each pair of alleles assort independently of other pairs of alleles during gamete formation

B) That alleles of each pair of contrasting trait have unequal probability to assort with the alleles of other pair

C) That the two coexisting alleles for each trait segregate (separate) from each other at meiosis so that each gamete receives only one of the two alleles

D) That pertain to inheritance of single trait (monohybrid cross)

81 / 100

Category: Biology Ch 6 Class 11

The bacteria can cope in unfavorable condition by producing:

NUMS 2017
Biology
Kingdom Prokaryote
Elimination Tool:

A) Mesosomes

B) Zygospores

C) Endospores

D) Hyphae

82 / 100

Category: Biology Ch 10 Class 11

Which one of the following is a fish?

NTS 2012
Biology
Kingdom Animalia
Elimination Tool:

A) Flying fish

B) Salmon

C) Sea horse

D) All of the above

83 / 100

Category: Biology Ch 9 Class 11

Excess water in plants is forced out in the form of droplets through?

PMC 2021 Tested
Biology
Kingdom Plantae
Elimination Tool:

A) Lenticles

B) Stomata

C) Hydathodes

D) Cuticle

84 / 100

Category: Biology

The passageways of the respiratory system have mucous secreting cells called:

NUMS Mock 3
Biology
Gaseous Exchange

A) Tracheal cells

B) Goblet cells

C) Surfactant cells

D) Pleural cells

85 / 100

Category: Biology Ch 4 Class 12

In humans, ovaries after birth contain:

NUMS 2018
Biology
Reproduction
Elimination Tool:

A) Oogonia

B) Primary oocyte

C) Secondary oocyte

D) Ova

86 / 100

Category: Biology Ch 6 Class 12

Part of the amino acid sequences In normal and sickle cell hemoglobin are shown.

Normal haemoglobin

Thr – pro – glu – glu

Sickle cell haemoglobin

thr – pro – val – glu

mRNA codons for these amino acids are

Glutamine (glu) GAA GAG

Threonine (thr) ACU ACC

Proline (pro) CCU CCC

Valine (val) GUA GUG

Which transfer RNA molecule is Involved in the formation of this part of the sickle cell haemoglobin?

NTS 2016 DUHS & JSMU
Biology
Chromosomes and DNA
Elimination Tool:

A) GUG

B) CAU

C) UGC

D) GAG

87 / 100

Category: Biology Ch 10 Class 11

Of the following which one is not found in series proterostomia.

Annelida

Arthropoda

Mollusea

Echinodermata

88 / 100

Category: Biology Ch 9 Class 11

Bryophtes are called amphiabians of plant world because

Bryophytes like amphibian ancestors are one of the most primitive organisms in this world.

Bryophytes like amphibian live in damp shady places and close to water body.

Amphibians have close relation with bryophytes in their habitat.

All of these

89 / 100

Category: Biology Ch 2 Class 11

Which one of the following is found in both messenger RNA and DNA of a mammalian cell?

PMC 2020
Biology
Biological Molecules
Elimination Tool:

A) Double helical structure

B) Ribose sugar

C) Thymine

D) Sugar – phosphate backbone

90 / 100

Category: Biology

Q.65 How are flat worms not similar to round worms?

A. They are both acoelomates

B. They are both triploblastic.

C. They both show bilateral symmetry.

D. They are both worms.

91 / 100

Category: Biology Ch 5 Class 12

Sertoli cells

Provide liquid medium to cells in testes

Provide protection and nourishment to cells

Secrete testosterone

Both a and b

92 / 100

Category: Biology Ch 12 Class 12

End of earth’ is related to

Tropical rain forest

Temperate deciduous forest

Savanna

Tundra

93 / 100

Category: Biology Ch 11 Class 12

All populations within an ecosystem interconnected to one another are known as

Species

Family

Community

Biomes

94 / 100

Category: Biology Ch 3 Class 12

The sense organs of taste in tongue are known as:

NUMS 2014
Biology
Coordination and Control
Elimination Tool:

A) Olfactory receptors

B) Gustatory receptors

C) Cutaneous receptors

D) All of these

95 / 100

Category: Biology Ch 8 Class 11

The fungus which provides a chemotherapeutic agent that is used to inhibit fungal growth is called

NUMS 2015
Biology
Kingdom Fungi
Elimination Tool:

A) Penicillium notatum

B) Aspergillus

C) Penicillium griseofulvum

D) Claviceps purpurea

96 / 100

Category: Biology Ch 10 Class 11

Of the following which one is not the characteristic of triploblasts.

All of them have blood vascular system

They may be coelomate pseudocoelomate or acoelomate

They are included in grade bilateria

All of them have digestive system

97 / 100

Category: Biology

Which of the following basic structural level of proteins is indicated by an association of two alpha and two beta chains in the haemoglobin molecule?

NUMS Mock 4
Biology
Biological Molecules

A) Primary structure

B) Secondary structure

C) Tertiary structure

D) Quatenary Structure

98 / 100

Category: Biology Ch 10 Class 12

Evolutionary relationships amongst species are reflected in their:

NUMS 2016
Biology
Evolution
Elimination Tool:

A) DNA and proteins

B) RNA and proteins

C) DNA and genes

D) DNA and RNA

99 / 100

Category: Biology Ch 11 Class 11

During cellular respiration NADH2 produces:

NUMS 2014
Biology
Bioenergetics
Elimination Tool:

A) 2 ATP

B) 3 ATP

C) 4 ATP

D) 5 ATP

100 / 100

Category: Biology Ch 1 Class 11

The concept that various organisms dominated this planet during various geological time period and thus placing organisms in a time squence came from the studies by

Environmental biologist

Paleontologist

Marine biologist

Social biologist

Your score is

The average score is 57%

Structured Practice for Best Entry Test Preparation

This topic-wise and chapter-wise practice test allows students to focus on individual biology concepts, including diagrams, processes, and conceptual questions. Regular practice enhances understanding, sharpens problem-solving skills, and builds confidence to tackle both board and competitive exam questions efficiently.

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Students can access free Biology Practice Test 2 to systematically improve knowledge, recall, and problem-solving abilities. This test is suitable for FSC Board Exams as well as major entry tests, helping students perform better in the biology section. PLS Academy provides these resources to support students in their preparation.

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