Biology Practice Test 4

Biology Practice Test 4 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 human anatomy, physiology, microbiology, and ecology, helping students improve accuracy and retention.

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Biology Practice Test 4

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1 / 100

Category: Biology

Select a method which causes the oxidation of chemical constituent of a bacterial cell:

NUMS Mock 2
Biology
Kingdom Prokaryote

A) Steam

B) Dry heat

C) Filtration

D) Radiation

2 / 100

Category: Biology

Q47 The T-lymphocytes and B-lymphocytes are the major cells of the:

A. Thymus

B. Lymph nodes

C. Adrenal glands

D. Lymphatic vessels

3 / 100

Category: Biology Ch 6 Class 11

Tuberculosis is caused by?

NTS 2015 SMBBMC
Biology
Kingdom Prokaryote
Elimination Tool:

A) Bacterium

B) Allergy

C) Nicotine

D) Virus

4 / 100

Category: Biology

_________ hormone is released from the posterior lobe of the pituitary gland.

NUMS Mock 3
Biology
Coordination and Control

A) Adrenaline

B) Thyroid stimulating hormone

C) FSH

D) Antidiuretic hormone

5 / 100

Category: Biology

Optimum pH for action of pepsin and salivary amylase is

NUMS Mock 2
Biology
Nutrition

A) 3.5 and 7.7 respectively

B) 1.8 and 6.8 respectively

C) 6.8 and 7.4 respectively

D) 1.8 and 7.4 respectively

6 / 100

Category: Biology

Identify the incorrect statement about Charles Darwin’s theory:

NUMS Mock 1
Biology
Evoloution

B) There is always a tendency of over reproduction in a species.

C) Vast gradual changes result in the origin of a new species.

D) Favorable variations survive and unfavorable will be exterminated.

E) Intra-specific competition occurs between different species and interspecific competition occurs among the individuals in a species.

7 / 100

Category: Biology Ch 13 Class 11

Booklungs serve the function of respiration in:

NTS 2014
Biology
Gaseous Exchange
Elimination Tool:

A) Scorpion

B) Earthworm

C) Frog

D) Cockroaches

8 / 100

Category: Biology Ch 14 Class 11

In roots, the apoplast pathway of water is disrupted when water reaches:

PMC 2020
Biology
Transport
Elimination Tool:

A) Plasmodesmata

B) Endodermis

C) Cortex

D) Pith

9 / 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

10 / 100

Category: Biology Ch 12 Class 11

Fear of getting obese is termed as:

NUMS 2019 Cancelled
Biology
Nutrition
Elimination Tool:

A) Bulimia nervosa

B) Anorexia nervosa

C) Dyspepsia

D) Obesity

11 / 100

Category: Biology Ch 11 Class 11

Carbon dioxide joins the photosynthetic pathway at:

NTS 2018
Biology
Bioenergetics
Elimination Tool:

A) PSI

B) PSII

C) Light reaction

D) Dark reaction

12 / 100

Category: Biology Ch 6 Class 12

Phenylketonuria is

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

A) Sex linked dominant trait

B) Sex linked recessive trait

C) Autosomal dominant trait

D) Autosomal recessive trait

13 / 100

Category: Biology Ch 14 Class 11

An example of passive acquired immunity is?

NTS 2015 DUHS and JSMU
Biology
Transport
Elimination Tool:

B) use of polio vaccine

C) passing of certain antibodies to the foetus by the pregnant women

D) inoculation of antitoxin in the case of puncture wound

E) both C and D

14 / 100

Category: Biology

Q.61 Which of the following is a compensation point?

B. Photosynthesis and respiration occur at same rate. So there is not net exchange of gases between atmosphere and plants

C. Rate of photosynthesis increases, so do the O2 production, with a net release oxygen coupled with the uptake of CO2

D. Rate of respiration becomes more than rate of photosynthesis. 16 Net yield of H-O in Photosynthesis is

15 / 100

Category: Biology Ch 2 Class 12

Bones of the skull are joined by:

NTS 2011
Biology
Support and Movement
Elimination Tool:

A) Fixed joints

B) Sliding joints

C) Pivot joints

D) Hinge joints

16 / 100

Category: Biology Ch 10 Class 11

Despite the structural diversities, ____ are characterized by having a soft body protected by a calcareous shell developing from the mantle layer.

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool:

A) Corals

B) Foraminiferos

C) Molluscs

D) None of these

17 / 100

Category: Biology Ch 2 Class 11

he molecule used by most of the animals for long-term energy storage is:

NUMS 2016
Biology
Biological Molecules
Elimination Tool:

A) Glycogen

B) Starch

C) Fat

D) Cholesterol

18 / 100

Category: Biology Ch 9 Class 12

A genomic library is a collection of

Bacterial clones

Bacteriophage clones

Viral clones

Both a and b

19 / 100

Category: Biology

The function of respiratory passage, Cilia is to keep the airways clear of:

NUMS Mock 4
Biology
Gaseous Exchange

A) Carbon dioxide

B) Oxygen

C) Dust

D) Carbon Monoxide

20 / 100

Category: Biology Ch 1 Class 11

Out of 92 naturally occurring chemical elements how many are considered as bio-elements:

21 / 100

Category: Biology

How many fatty acid molecules are normally present in a fat or oil molecule?

NUMS Mock 4
Biology
Biological Molecules

A) 1

B) 2

C) 3

D) 4

22 / 100

Category: Biology Ch 6 Class 11

Coccobacillus has a shape similar to

Diplobacillus

Sarcina

Egg

None of these

23 / 100

Category: Biology Ch 3 Class 11

The structure of an enzyme is altered by:

Irreversible inhibitor

Reversible inhibitor

Competitive inhibitor

Non-competitive inhibitor

24 / 100

Category: Biology Ch 3 Class 11

If more substrate to already occurring enzymatic reaction is added and there is no effect on the rate of the reaction what is the form given to this situation:

Saturation

Denaturation

Composition

Inhibition

25 / 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%

26 / 100

Category: Biology Ch 3 Class 11

A chemical substance which can react (in place of substrate) with the enzyme but is not transformed into product/s and thus blocks the active site temporarily or permanently is called

Co-enzyme

Blocker

Inhibitor

Cofactor

27 / 100

Category: Biology Ch 5 Class 11

Which of the following is derived from Latin word VENUME which means poisonous?

NUMS 2018
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Bacteria

B) Fungi

C) Virus

D) Malaria

28 / 100

Category: Biology Ch 3 Class 12

Na+ -K+ ATPase pump is important for:

Maintenance of resting potential.

Massive out flux of K+ after depolarization.

Recovery of resting potential.

Conversion of resting potential into action potential.

29 / 100

Category: Biology Ch 11 Class 11

1 NADH in respiratory chain produces:

NUMS 2015
Biology
Bioenergetics
Elimination Tool:

A) 1 ATP

B) 2 ATP

C) 3 ATP

D) 4 ATP

30 / 100

Category: Biology

Q.11 In cocci, three plane division result in formation of sarcine which is a

A. Cuba of 8 cocci

B. Square of 4 cocci

C. Irregular structure

D. Triangular 6 cocci

31 / 100

Category: Biology Ch 13 Class 11

Vocal cords, which help in voice production are two thin edged fibrous bands, present in:

NUMS 2019 Cancelled
Biology
Gaseous Exchange
Elimination Tool:

A) Glottis

B) Bronchus

C) Larynx

D) Trachea

32 / 100

Category: Biology Ch 8 Class 12

Mendel concluded that each organism has two hereditary factors for each trait, now called:

NTS 2015 SMBBMC
Biology
Variation and Genetics
Elimination Tool:

A) Chromatids

B) Alleles

C) Chromosomes

D) None of the above

33 / 100

Category: Biology

Eukaryotic, multicellular, and consumers belong to ______ kingdom.

NUMS Mock 3
Biology
Bio-diversity | Variety of Life

A) Monera

B) Protista

C) Fungi

D) Animalia

34 / 100

Category: Biology

Phenylmethyl ketone can be converted into ethyl benzene in one step by using:

NUMS Mock 4
Chemistry
Aldehydes and Ketones

A) LiAlH4

B) Zn(Hg)-HCl

C) NaBH4

D) CH3Mgl

35 / 100

Category: Biology Ch 7 Class 11

In which of the following growth phases, the number of bacteria increases the most rapidly?

NTS 2018
Biology
Kingdom Protista
Elimination Tool:

A) Lag phase

B) Log phase

C) Stationary phase

D) Death / Decline phase

36 / 100

Category: Biology Ch 5 Class 12

The egg of a chick is laid at which of the following stages?

NTS 2015 DUHS and JSMU
Biology
Growth and Development
Elimination Tool:

A) Gastrula

B) blastula

C) cleavage

D) morula

37 / 100

Category: Biology Ch 4 Class 12

Pituitary gland releases ______ hormone and _______ hormone while ovaries produce _______ and progesterone.

NTS 2019
Biology
Reproduction
Elimination Tool:

A) Follicle-stimulating and luteinizing, estrogen

B) Estrogen and follicle-stimulating, luteinizing

C) Luteinizing arid estrogen, follicle-stimulating

D) Follicle-stimulating and estrogen, luteinizing

38 / 100

Category: Biology Ch 4 Class 11

DNA is found in which of the following structures?

NUMS 2016
Biology
Cell Structure and Function
Elimination Tool:

A) Golgi complex

B) Lysosomes

C) Mitochondria

D) Ribosomes

39 / 100

Category: Biology Ch 1 Class 12

Which hormone prepares the body for situations of stress and emergency?

NUMS 2014
Biology
Homeostasis
Elimination Tool:

A) Adrenaline

B) Non adrenaline

C) Thyroxin

D) Insulin

40 / 100

Category: Biology

Which of the following will not undergo aldol condensation?

NUMS Mock 2
Chemistry
Aldehydes and Ketones

A) Acetaldehyde

B) Propanaldehyde

C) Benzaldehyde

D) Trideuteroacetaldehyde

41 / 100

Category: Biology Ch 8 Class 12

Which of the following does not belong to the same linkage group?

NUMS 2015
Biology
Variation and Genetics
Elimination Tool:

A) Sickle cell anemia

B) Albinism

C) Leukemia

D) Gout

42 / 100

Category: Biology Ch 10 Class 12

Mating with non-relatives is known as?

PMC Sample 2
Biology
Evolution
Elimination Tool:

A) Inbreeding

B) Outbreeding

C) Breeding

D) None of these options is correct

43 / 100

Category: Biology Ch 6 Class 11

Which of the following types of bacterial reproduction is most similar to mitosis?

PMC Practice 2
Biology
Kingdom Prokaryote
Elimination Tool:

A) Transduction

B) Transfonnation

C) Binary fission

D) Conjugation

44 / 100

Category: Biology Ch 11 Class 11

The end product of glycolysis in anaerobic respiration is:

PMC 2020
Biology
Bioenergetics
Elimination Tool:

A) Ethanol and Carbon dioxide

B) Lactate

C) Pyruvate

D) Both A and B

45 / 100

Category: Biology

Q.28 The enzyme which plays important role in HIV pathogenesis

A. RNA polymerase I

B. DNA polymerase II

C. Reverse Transcriptase I

D. Reverse Transcriptase

46 / 100

Category: Biology Ch 3 Class 11

Biological molecules (proteins) which catalyze a biochemical reaction and remain unchanged after completion of reaction are called

Cofactor

Coenzymes

Activator

Enzymes

47 / 100

Category: Biology

Q.36 Parkinson’s disease is caused by cell death, which produces ____________.

A. Acetylcholine

B. Serotonin

C. Dopamine

D. Adrenaline

48 / 100

Category: Biology Ch 5 Class 12

Plasticity of cell wall increases during

Cell maturation

Cell elongation

Cell differentiation

Cell division

49 / 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

50 / 100

Category: Biology Ch 5 Class 11

Diseases in living organisms which are caused by parasites are called:

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

A) Disinfestations

B) Antisepsis

C) Infections

D) Infestations

51 / 100

Category: Biology Ch 5 Class 12

he only promoter of Leaf’s senescence in the following plant hormones is:

PMC Practice 9
Biology
Coordination and Control
Growth and Development
Elimination Tool:

A) Gibberellins

B) Cytokinins

C) Auxins

D) Abscisic acid

52 / 100

Category: Biology

Q.44 To produce ATP (adenosine triphosphate) in muscles, creatine phosphate (CP) transfers__________________ to adenosine diphosphate (ADP).

A. Oxygen

B. Adenosine

C. Cytosine

D. Phosphate

53 / 100

Category: Biology Ch 4 Class 11

Factory of ribosomal systhesis is

Cytoplasm

Nucleus

Nucleolus

Endoplasmic reticulum

54 / 100

Category: Biology Ch 3 Class 12

Which of the following is antagonist to Auxin in terms of promotion of stem growth?

Gibberellins

Cytokinins

Abscisic Acid

none of these.

55 / 100

Category: Biology Ch 5 Class 11

Viruses resemble living things because they:

NTS 2017
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Circulate

B) Move

C) Reproduce

D) Are crystalline

56 / 100

Category: Biology Ch 11 Class 11

Van neil hypothesis about the production of oxygen during phosynthesis was based on the study and investigations on

Bacteria

Algae

Protenema

Cyanobacteria

57 / 100

Category: Biology

Nitrogen-cycle is facilitated by ______.

NUMS Mock 3
Biology
Ecosystem

A) Algae

B) Fungi

C) Bacteria

D) Virus

58 / 100

Category: Biology Ch 9 Class 12

Natural extrachromosomal circular DNA molecules earrying genes for antibiotic resistance and fertility

Recombinant DNA

Chimaeric DNA C

Lambda phage

Plasmids

59 / 100

Category: Biology Ch 11 Class 11

NAD is an example of ______:

NUMS 2020
Biology
Bioenergetics
Elimination Tool:

A) Mononucleotide

B) Dinucleotide

C) Tri nucleotide

D) Tetra nucleotide

60 / 100

Category: Biology

The finger like infoldings, which are formed by inner membrane of mitochondria, are called:

NUMS Mock 2
Biology
Cell Structure and Function

A) Ribosomes

B) Matrix

C) Porin

D) Cristae

61 / 100

Category: Biology Ch 12 Class 11

Deficiency of K+ causes:

Stunted growth & strong chlorosis

No electron transport chains

Premature death of leaves.

Stunted growth of roots.

62 / 100

Category: Biology

Q.42 Antibodies play important role against microorganisms and other pathogens to which type of proteins do they belong?

A. Globular

B. Functional

C. Fibrous

D. Both A and B

63 / 100

Category: Biology Ch 1 Class 12

In osmosis water molecules move from area of _______ to _______ through semipermeable memberane

Higher solute concentration to lower solute concentration

Lower solute concentration to higher solute concentration

Lower solvent concentration to higher solvent concentration

All of these

64 / 100

Category: Biology Ch 2 Class 12

Which of the following bones are present in the palm of the hand:

NTS 2010
Biology
Support and Movement
Elimination Tool:

A) Carpals

B) Metacarpals

C) Phalanges

D) Tarsal

65 / 100

Category: Biology Ch 2 Class 11

Which bond provides stability to complex carbohydrate molecules?

C-H

C-O

C-C

C-N

66 / 100

Category: Biology Ch 3 Class 12

Resting membrane potential of neurons is _______, while during active membrane potential the inner membrane surface becomes more _____ than the outside.

NUMS 2019 Reconduct
Biology
Coordination and Control
Elimination Tool:

A) +70 mV ; negative

B) -70 mV ; negative

C) +70 mV ; positive

D) -70 mV ; positive

67 / 100

Category: Biology Ch 4 Class 12

All of the following are sexually transmitted diseases except:

NTS 2011
Biology
Reproduction
Elimination Tool:

A) Syphilis

B) Gonorrhea

C) Alzheimer's Disease

D) Genital Herpes

68 / 100

Category: Biology

The region where the impulse moves from one neuron to another is called ______.

NUMS Mock 4
Biology
Coordination and Control

A) Axon

B) Dendrites

C) Synapse

D) Thalamus

69 / 100

Category: Biology

Q.50 The cluster of pouches opened from alveolar ducts is known as

A. Bronchi

B. Bronchioles

C. Pharynx duct

D. Alveoli

70 / 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.

71 / 100

Category: Biology Ch 7 Class 12

A special area of centromere with specific base arrangement and specific proteins where spindle fibers are attached is called

Chromatin

Aster

Kinetochore

Primary constriction

72 / 100

Category: Biology Ch 3 Class 11

The following statements are about enzymes:

1. They are globular proteins

2. They can be inhibited by competitive inhibitors

3. They are formed in the smooth endoplasmic reticulum

4. There are only found attached to Plasma membranes in the cell

Which statements are correct for all enzymes?

NTS 2015 DUHS and JSMU
Biology
Enzymes
Elimination Tool:

A) 1 and 4

B) 2 and 4

C) 1 and 2

D) 1,2,3 and 4

73 / 100

Category: Biology Ch 6 Class 12

The combination of XXY (47) chromosomes results in:

NTS 2012
Biology
Chromosomes and DNA
Elimination Tool:

A) Down's Syndrome

B) Turner's Syndrome

C) Klinefelter's Syndrome

D) Sickle cell anemia

74 / 100

Category: Biology

Q.27 The stimulus for the production of more gastrin hormone from the gastric endocrine lining is:

A. Protein content of the food

B. Carbohydrate content of the food

C. Lipid content of the food

D. Partially digested food nutrients

75 / 100

Category: Biology Ch 11 Class 11

NADH produces how many ATP?

NUMS 2016
Biology
Bioenergetics
Elimination Tool:

A) 2 ATP

B) 3 ATP

C) 4 ATP

D) 6 ATP

76 / 100

Category: Biology Ch 6 Class 11

Who coined the term Animalcules for microorganisms like Bacteria and protozoa?

Robert Koch

Louis Pasteur

Alexander Fleming

Leeuwenhoek

77 / 100

Category: Biology Ch 5 Class 12

The individual with harelip shows which of the following conditions?

NUMS 2014
Biology
Growth and Development
Elimination Tool:

A) Hard palate

B) Polydactyl

D) Microcephale

C) Cleft Palate

78 / 100

Category: Biology Ch 9 Class 11

Chlorophyta is considered to be closest to plants but do not resemble plants in having:

NUMS 2020
Biology
Kingdom Plantae
Elimination Tool:

A) Chlorophyll a and b

B) Starch as stored food

C) Cellulose cell wall

D) Multicellular sex organs

79 / 100

Category: Biology Ch 2 Class 12

Epinasty is controlled by

Gibberellins

Abscisins

Auxins

Cytokinins

80 / 100

Category: Biology Ch 12 Class 11

Undigested food in cockroach is stored in:

NUMS 2015
Biology
Nutrition
Elimination Tool:

A) Crop

B) Rectum

C) Gizzard

D) Crop & Rectum

81 / 100

Category: Biology Ch 1 Class 11

The atoms of different elements combine with each other through ionic or covalent bonding to produce compounds this stable form is called:

An organ

Tissue

Both a and c

82 / 100

Category: Biology Ch 3 Class 12

Direction of reflex action is from:

NUMS 2019 Reconduct
Biology
Coordination and Control
Elimination Tool:

A) Receptor to sensory neuron to motor neuron and then through associative neurons to effect.

B) Receptor to sensory neuron to associative neuron and then through motor neurons to effector.

C) Effector to sensory neuron to associative neuron and then through motor neurons to Receptor.

D) Effector to sensory neuron to motor neuron and then through associative neurons to Receptor.

83 / 100

Category: Biology Ch 5 Class 11

Whenever a virus encounters an unfamiliar organism, the virus may undergo multiple mutations and emerge as a variant that produces:

PMC Sample 2
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Severe and novel disease

B) Noval disease

C) Mutated

D) None of these options is correct

84 / 100

Category: Biology Ch 1 Class 12

Sunken stomata are found in:

NUMS 2014
Biology
Homeostasis
Elimination Tool:

A) Mesophytes

B) Xerophytes

C) Halophytes

D) Hydrophytes

85 / 100

Category: Biology

Which of the following processes does NOT need Pyruvic Acid as a substrate?

NUMS Mock 2
Biology
Bioenergetics

A) Alcoholic fermentation

B) Calvin cycle

C) Aerobic respiration

D) Lactic Acid fermentation

86 / 100

Category: Biology

Q.65 Which one of the following is the attribute of Lamarckism?

A. Natural selection

B. Inheritance of acquired characteristics

C. Struggle for existence

D. Production of more individuals

87 / 100

Category: Biology Ch 7 Class 12

Interphase is a phase of the cell cycle defined only by the absence of _______.

NTS 2019
Biology
Cell Cycle
Elimination Tool:

A) Enzymes

B) DNA

C) Replication

D) Cell division

88 / 100

Category: Biology

Pseudopodia are:

NUMS Mock 1
Biology
Support and Movement

A) False feet developed in some unicellular organisms

B) Small hairlike structures present on the unicellular organisms

C) Long, tube like structures coming out of the mouth

D) Suckers which are attached to the walls of intestines

89 / 100

Category: Biology Ch 1 Class 12

Purine and pyrimidine catabolism results in production of

Creatinine

Trimethyamine oxide

Xanthine

None of these

90 / 100

Category: Biology Ch 7 Class 11

Which of the following results from conjugation in paramecium?

PMC Practice 3
Biology
Kingdom Protista
Elimination Tool:

A) Cell death

B) Cell division

C) Budding

D) Recombination

91 / 100

Category: Biology Ch 3 Class 12

Maintenance of normal resting potential via movement of K+ inside the cell and na+ out is a/an _______ process.

Active

Passive

Diffusional

None of these.

92 / 100

Category: Biology Ch 2 Class 12

When a physician elicits the knee-jerk reflex by tapping deep tendons in the knee, the normal response is for the lower leg to swing forward. When this happens:

NTS 2013
Biology
Support and Movement
Elimination Tool:

A) Muscles in the front of the thigh are contracting and muscles in the back of the thigh are relaxing

B) Muscles in the front of the lower leg are contracting and muscles in the back of the lower leg are relaxing

C) Muscles in the back of the thigh are contracting and muscles in the front of the thigh are relaxing

D) Muscles in the back of the lower leg are contracting and muscles in the front of the lower leg are relaxing

93 / 100

Category: Biology Ch 8 Class 11

Yeast reproduces by:

PMC 2021 Tested
Biology
Kingdom Fungi
Elimination Tool:

A) Budding

B) Sperm

C) Fission

D) Conidia

94 / 100

Category: Biology Ch 11 Class 12

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

Species

Family

Community

Biomes

95 / 100

Category: Biology Ch 4 Class 12

The primary oocyte in mammals has which of the following structures around it:

NUMS 2014
Biology
Reproduction
Elimination Tool:

A) Zona Pellucida

B) Zona Vasculosa

C) Zona radiata

D) None of them

96 / 100

Category: Biology Ch 7 Class 12

In plants mitotic apparatus consists of

Centriole

Centriole and asters

Centrioles, asters and spindles

Spindles only

97 / 100

Category: Biology Ch 10 Class 11

The name animal is derived from the word.

Anima

Anemia

Aname

All of these

98 / 100

Category: Biology Ch 6 Class 12

Particular array of chromosomes that an individual processes is called its:

NUMS 2019 Reconduct
Biology
Chromosomes and DNA
Elimination Tool:

A) Nucleosome

B) Gene pool

C) Karyotype

D) Centromere

99 / 100

Category: Biology Ch 3 Class 12

Lymph nodes are not present:

NUMS 2020
Biology
Coordination and Control
Elimination Tool:

A) Neck region

B) Axilla

C) Groin

D) Spleen

100 / 100

Category: Biology Ch 2 Class 11

Haemoglobin exhibits a:

NUMS 2016
Biology
Biological Molecules
Elimination Tool:

A) Secondary structure

B) Primary structure

C) Quaternary structure

D) Tertiary structure

Your score is

The average score is 61%

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