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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1 / 100

Category: Biology Ch 4 Class 12

In sexual reproduction, plants have diplohaplontic life cycle with alternating

Diploid sporophyte and haploid gametophyte generations

Haploid sporophyte and diploid gametophyte generations

Diploid sporophyte and diploid gametophyte generations

Haploid sporophyte and haploid gametophyte generations

2 / 100

Category: Biology Ch 13 Class 11

As pH of blood decreases, H+ ions increases, which combine the proteins part of hemoglobin, to decrease its ability to bind with:

NUMS 2019 Reconduct
Biology
Gaseous Exchange
Elimination Tool:

A) O2

B) CO2

C) CO

D) H2

3 / 100

Category: Biology Ch 7 Class 12

_______ is the stage of mitosis characterized by the physical separation of ________ chromatids.

NTS 2019
Biology
Cell Cycle
Elimination Tool:

A) Interphase. Offspring

B) Telophase, F1 chromatids

C) Metaphase, Homologous

D) Anaphase. Sister

4 / 100

Category: Biology Ch 6 Class 12

Highly condensed portions of the chromatin are called:

NTS 2011
Biology
Chromosomes and DNA
Elimination Tool:

A) Euchromatin

B) Heterochromatin

C) Nucleosome

D) Super coils

5 / 100

Category: Biology Ch 5 Class 11

The genome of viruses is composed of

NTS 2019
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) DNA

B) RNA

C) Protien

D) Both A and B

6 / 100

Category: Biology Ch 9 Class 12

In the commercial manufacture of insulin, a human gene is inserted into which one of the following?

NTS 2013
Biology
Biotechnology
Elimination Tool:

A) A chromosome of a human cell

B) A protein molecule in a yeast cell

C) The DNA of a bacterium

D) The nucleic acid in a virus

7 / 100

Category: Biology Ch 7 Class 12

Crossing over occur between ____________ of homologous chromosomes:

PMC Sample 1
Biology
Cell Cycle
Elimination Tool:

A) Sister pair of chromatid

B) Sister chromatids of homologous

C) Non-sister chromatin

D) All of them

8 / 100

Category: Biology Ch 6 Class 11

Which of the following is TRUE about the structure of a typical bacterium?

PMC 2020
Biology
Kingdom Prokaryote
Elimination Tool:

A) It has cell wall

B) It has cytoplasm

C) It has genetic material

D) All of the above

9 / 100

Category: Biology Ch 7 Class 11

Radiolarians belong to which of the following protozoal group?

Zooflagellates

Actinopods

Foraminifera

Apicomplexans

10 / 100

Category: Biology Ch 6 Class 11

Gram negative bacteria are stained pink by the use of:

NUMS 2016
Biology
Kingdom Prokaryote
Elimination Tool:

A) Crystal violet

B) Gram’s iodine

C) Feulgen stain

D) Safranin

11 / 100

Category: Biology Ch 3 Class 12

How many meninges cover the human brain?

NTS 2014
Biology
Coordination and Control
Elimination Tool:

A) 5

B) 4

C) 3

D) 2

12 / 100

Category: Biology Ch 7 Class 11

All of the following organisms belong to the kingdom protista EXCEPT:

NTS 2012
Biology
Kingdom Protista
Elimination Tool:

A) Ulva

B) Euglena

C) Slime Mold

D) Common Mold

13 / 100

Category: Biology Ch 10 Class 11

Which one of the following does not have intermediate host?

NUMS 2016
Biology
Kingdom Animalia
Elimination Tool:

A) Tapeworm

C) Liver fluke

B) Ascaris

D) Plasmodium

14 / 100

Category: Biology

Q.58 Acording to the law of independent assortment, what is the possible number of combinations that chromosomes can assort to independently in the gamete?

A. 16,777,216

B. 2,048

C. 4,194,304

D. 8.388.608

15 / 100

Category: Biology Ch 7 Class 12

At the beginning of nuclear division, the number of microtubule triplets in two pairs of centrioles that migrate to opposite poles are:

UHS 2015
Biology
Cell Cycle
Elimination Tool:

A) 9

B) 18

C) 108

D) 36

16 / 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

17 / 100

Category: Biology Ch 11 Class 11

During the first three steps of glycolysis, glucose is converted to Fructose 1, 6-diphosphate by the rearrangement of the molecule and addition of two phosphate groups. The phosphate comes from?

NTS 2015 SMBBMC
Biology
Bioenergetics
Elimination Tool:

A) Phospholipids of the membrane

B) ADP

C) inorganic phosphates

D) ATP

18 / 100

Category: Biology Ch 5 Class 11

Recent studies on HIV reveal that the virus infects and multiplies in _____ but does NOT cause disease in them.

NUMS 2019 Reconduct
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Monkeys

B) Cats

C) Horses

D) Dogs

19 / 100

Category: Biology

Q.52 The patellar reflex and the Achilles reflex are examples of:

A. Monosynaptic reflex

B. Polysynaptic reflex

C. Hemi Synaptic reflex

D. Both A and B

20 / 100

Category: Biology

Choose the term from the following which is NOT a part of gene therapy?

NUMS Mock 2
Biology
Biotechnology

A) Bone marrow transplant

B) Retrovirus

C) DNA Fingerprinting

D) Somatic cells

21 / 100

Category: Biology Ch 4 Class 11

Cellulose is the major component of

Primary wall

Secondary wall

Middle lamella

all of the above

22 / 100

Category: Biology

Enzymes work by lowering the ______ of the reactions they catalyse:

NUMS Mock 4
Biology
Enzymes

A) Kinetic energy

B) Activation energy

C) Heat energy

D) Potential energy

23 / 100

Category: Biology Ch 3 Class 11

Which one forms the raw material for coenzymes?

Vitamins

Carbohydrates

Proteins

Metals

24 / 100

Category: Biology Ch 6 Class 11

Flagella originate from

Cell membrane

Cell wall

Capsule

Basal body

25 / 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

26 / 100

Category: Biology Ch 6 Class 11

The presence of peptidoglycan in gram-positive bacteria is:

PMC Practice 3
Biology
Kingdom Prokaryote
Elimination Tool:

A) 40% of dry weight

B) 50% of dry weight

D) 80% of dry weight

C) 10% of dry weight

27 / 100

Category: Biology Ch 1 Class 11

An unbroken series of species arranged in ancestors to descendent sequence with each later species having evolved from one that immediately preceded it is called:

Biome

Phyletic lineage

Community

Population

28 / 100

Category: Biology Ch 12 Class 11

Chlorosis refers to the lack of:

NUMS 2016
Biology
Nutrition
Elimination Tool:

A) Growth

B) Chlorophyll

C) Yellowing of leaf margin

D) Width of leaf

29 / 100

Category: Biology Ch 4 Class 12

A pollen tube serves to:

NTS 2015 SMBBMC
Biology
Reproduction
Elimination Tool:

A) Produce sperms

B) Store food for the developing embryo

C) Transfer sperms from the stigma to the ovary

D) Produce female gametophytes

30 / 100

Category: Biology Ch 9 Class 12

Cystic fibrosis patients lack a gene that codes for a transmembrane carrier of:

NTS 2017
Biology
Biotechnology
Elimination Tool:

A) Na+ ions

B) K+ ions

C) CI- ions

D) Ca2+ ions

31 / 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.

32 / 100

Category: Biology

Which one of the following is common to all neurons?

NUMS Mock 3
Biology
Coordination and Control

A) A cell body which contains a nucleus

B) A thick myelin sheath

C) Presence of node of Ranvier

D) Presence of Schwann cells

33 / 100

Category: Biology Ch 1 Class 12

The condition of a stable internal environment in an organism is:

NTS 2015 SMBBMC
Biology
Homeostasis
Elimination Tool:

A) Coordination

B) Organisation

C) Homeostasis

D) Integration

34 / 100

Category: Biology Ch 9 Class 11

Antheridia and archegonia are born on _____ in bryophytes

Sporophyte

Gametophyte

Both of these

None of these

35 / 100

Category: Biology

Q.24 Pepsinogen is produce by:

A. Mucous cells

B. Zymogen cells

C. Parietal cells

D. None of these

36 / 100

Category: Biology

Q.54 First cardiac sound is associated with:

A. Closure of tricuspid and bicuspid valves

B. Closure of semilunar valves

C. Opening of tricuspid valves

D. Opening of semilunar valves

37 / 100

Category: Biology Ch 10 Class 12

Which one is NOT a continuous trait?

NUMS 2019 Reconduct
Biology
Evolution
Elimination Tool:

A) Human height

B) Tongue rolling

C) Wheat grain color

D) Human skin color

38 / 100

Category: Biology Ch 4 Class 11

Lysosomes function in:

NTS 2011
Biology
Cell Structure and Function
Elimination Tool:

A) Protein synthesis

B) Processing

C) Intracellular digestion

D) Lipid synthesis

39 / 100

Category: Biology

Which of the following nutrients is incorrectly paired with its function in a plant?

NUMS Mock 3
Biology
Nutrition

A) Potassium – Formation of cell wall.

B) Magnesium – Constituent of chlorophyll.

C) Nitrogen – Constituent of protein.

D) Phosphorus – Component of nucleic acid.

40 / 100

Category: Biology Ch 1 Class 12

________ are animals that do not adjust their internal osmolality and are isotonic with their environment.

NUMS 2019 Cancelled
Biology
Homeostasis
Elimination Tool:

A) Osmoconformers

B) Osmoregulators

C) Thermoregulators

D) Thermoconformers

41 / 100

Category: Biology Ch 5 Class 12

All of the followings are the effects of red light on plant, EXCEPT:

NTS 2016 SMBBMC
Biology
Growth and Development
Elimination Tool:

A) Causes epicotyl (plumule) hook to unbend

B) Induces increase in leaf area

C) Elongation of internodes is promoted

D) Stimulate flowering in long day plants

42 / 100

Category: Biology Ch 3 Class 12

Which type of sensory structures carrying the touch sensations are present in papillae extending into ridges of the fingertips?

Hair end organs

Meissner's Corpuscles.

Pacinian corpuscles.

None of these.

43 / 100

Category: Biology Ch 13 Class 11

Guard cells function as:

NUMS 2019 Cancelled
Biology
Gaseous Exchange
Elimination Tool:

A) The defense system

B) Multisensory hydraulic valve

C) Hydrostatic pressure

D) All of these

44 / 100

Category: Biology

Pick the correct option about Drosophila.

NUMS Mock 3
Biology
Variation and Genetics

A) The Male is larger with a pointed abdomen

B) The female has sex combs on its front legs

C) It has a generation time of just eight weeks

D) Salivary gland cells have giant chromosomes in their nuclei

45 / 100

Category: Biology Ch 10 Class 11

The radial symmetry is found in the animals of

Protozoa

Porifera

Cnidaria

All of these

46 / 100

Category: Biology Ch 5 Class 12

Typical symptoms like enlarged breasts and small testis in male are attributed to:

UHS 2015
Biology
Growth and Development
Elimination Tool:

A) Down’s Syndrome

B) Turner’s Syndrome

C) Klinefelter’s Syndrome

D) Phenylketonuria

47 / 100

Category: Biology Ch 9 Class 12

Human genome is ______ times larger than any other genome sequenced so far

48 / 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.

49 / 100

Category: Biology Ch 7 Class 12

Process of uncontrolled cell division is due to which one of the following reasons?

NUMS 2018
Biology
Cell Cycle
Elimination Tool:

A) DNA replication

B) Mutations

C) Translation

D) Transcription

50 / 100

Category: Biology

Q.47 The chemical nature of oxytocin is:

A. Protein

B. Amino acid derivative

C. Polypeptide

D. Steroid Incorrect

51 / 100

Category: Biology Ch 13 Class 11

The structural and functional unit of the lungs is:

PMC Practice 2
Biology
Gaseous Exchange
Elimination Tool:

A) Alveoli

B) Trachea

C) Bronchiole

D) Bronchus

52 / 100

Category: Biology Ch 2 Class 12

Muscle fiber has many _____ and in turns these have many ______.

NUMS 2019 Reconduct
Biology
Support and Movement
Elimination Tool:

A) Myofibrils; sarcomeres

B) Myofibrils; thin filaments

C) Myosin; thin filaments

D) Myosin; sarcomeres

53 / 100

Category: Biology Ch 11 Class 11

Estimating relative CO2 consumption or O2 release during photosynthesis at different wavelengths of light, is termed as:

NUMS 2019 Reconduct
Biology
Bioenergetics
Elimination Tool:

A) Action spectrum

B) Absorption spectrum

C) Dark reaction

D) Light reaction

54 / 100

Category: Biology Ch 1 Class 12

Which of the following fishes excrete large volume of diluted urine?

Bony Marine fishes

Fresh water fishes

Both depending upon the surrounding water

None of these

55 / 100

Category: Biology Ch 1 Class 12

Which excretory product in produced in plants during autotrophic mode of life?

CO2

H2O

Both A and B

56 / 100

Category: Biology Ch 6 Class 11

Cyanobacteria help in nitrogen fixation because they have:

PMC 2021 Tested
Biology
Kingdom Prokaryote
Elimination Tool:

A) Sodium channels

B) Heterocysts

C) Harmogonia

D) Nitrogenase

57 / 100

Category: Biology

As pH of blood decreases, H+ ions increases, which combine the proteins part of hemoglobin, to decrease its ability to bind with:

NUMS Mock 2
Biology
Gaseous Exchange

A) O2

B) CO2

C) CO

D) H2

58 / 100

Category: Biology Ch 3 Class 11

If enzyme concentration is low than substrate pH and temperature values are equal to requirement then which of the following will increase rate of reaction.

increase in concentration of enzyme

increase in concentration of substrate

increase in pH

increase in temperature

59 / 100

Category: Biology Ch 9 Class 12

Deficiency of enzyme ______ causes combined immunodeficiency syndrome.

UHS 2018
Biology
Biotechnology
Elimination Tool:

A) Adenosine transcriptase

B) Adenosine transaminase

C) Adenosine polymerase

D) Adenosine deaminase

60 / 100

Category: Biology Ch 9 Class 12

Vaccination can be done against:

NUMS 2015
Biology
Biotechnology
Elimination Tool:

A) Bacterial diseases only

B) Viral diseases only

C) Both Viral and Bacterial

D) All type of disease-causing organisms

61 / 100

Category: Biology Ch 11 Class 11

How does chemosynthesis differ from photosynthesis?

NUMS 2020
Biology
Bioenergetics
Elimination Tool:

A) Source of energy to carry out the reaction

B) Production of organic compounds

C) Reduction of CO2

D) Carried out by bacteria

62 / 100

Category: Biology Ch 8 Class 11

Ecological role of fungi as decomposers is only paralleled by

Blue green algae

Cyanobacteria

Bacteria

Virus

63 / 100

Category: Biology

Q.3 Which statement about cell membrane is incorrect?

A. Proteins are embedded in lipid bilayer

B. Cholesterol molecules are present in hydrophobic core

C. Central core is hydrophobic

D. Carbohydrates are present on both inner and outer face of the membrane

64 / 100

Category: Biology Ch 2 Class 11

Reactive parts of an amino acid are:

NUMS 2015
Biology
Biological Molecules
Elimination Tool:

A) Alpha carbon & amino group

C) Carboxyl & R group

B) Amino group & carboxyl group

D) R group & alpha carbon

65 / 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

66 / 100

Category: Biology Ch 10 Class 11

Aschelminthes is also known as

Protozoans

Eumatazoa

Nematodes

Protoctist ancestors

67 / 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

68 / 100

Category: Biology Ch 11 Class 12

Hydrosere is

Secondary succession starting in a pond

. Primary succession starting in a pond

Primary succession starting on a dry soil

All of these

69 / 100

Category: Biology Ch 5 Class 12

Function of intercalary meristems is

. Increase in length

Increase in diameter

Production of leaves and flowers

None of these

70 / 100

Category: Biology

An enzyme that helps in the conversion of RNA to DNA is called:

NUMS Mock 3
Biology
Chromosomes and DNA

A) Transcriptase

B) Polymerase

C) Reverse transcriptase

D) Synthetase

71 / 100

Category: Biology Ch 8 Class 11

Yeasts, the unicellular fungi belongs mostly to the group:

UHS 2018
Biology
Kingdom Fungi
Elimination Tool:

A) Deuteromycota

C) Basidiomycota

B) Zygomycota

D) Ascomycota

72 / 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

73 / 100

Category: Biology Ch 11 Class 11

Its membranes are the sites where sunlight energy is trapped and where glucose is formed.

Which organelle is this?

NUMS 2014
Biology
Bioenergetics
Elimination Tool:

A) Chloroplast

B) Leucoplast

C) Chromoplast

D) Cytosol

74 / 100

Category: Biology Ch 3 Class 12

The _____ is the main nutritional part and it’s concerned with the biosynthesis of materials necessary for neurons.

NUMS 2019 Reconduct
Biology
Coordination and Control
Elimination Tool:

A) Nerves

B) Axon

C) Soma

D) Dendrites

75 / 100

Category: Biology

Q.40 Which of the following is true of both bacterial conjugation and meiosis?

A. Both processes produce four haploid cells

B. Both processes are a form of asexual reproduction

C. Both processes involve genetic recombination

D. None of these

76 / 100

Category: Biology Ch 5 Class 12

Leukaemia is associated with an increased number of _____ in blood.

NTS 2016 DUHS & JSMU
Biology
Growth and Development
Elimination Tool:

A) Erythrocytes

B) Basophils

C) Eosinophils

D) Leucocytes

77 / 100

Category: Biology Ch 11 Class 11

Chlorophyll is insoluble in:

Carbon tetrachloride

Alcohol

Organic solvents

Water

78 / 100

Category: Biology Ch 8 Class 11

Fungi store surplus food in the form of

UHS 2010
Biology
Kingdom Fungi
Elimination Tool:

A) Cellulose

B) Glycogen

C) Starch

D) Both B and C

79 / 100

Category: Biology Ch 3 Class 11

The effect of competitive inhibitor on enzyme activity is such that it affects which of the following?

PMC Sample 2
Biology
Enzymes
Elimination Tool:

A) Increases enzyme activity

B) Doesn't change enzyme activity

C) Decreases enzyme activity

D) None of these options is correct

80 / 100

Category: Biology Ch 9 Class 11

Thick, waxy & leathery cuticle around leaves is present in which of the following?

PMC Sample 3
Biology
Kingdom Plantae
Elimination Tool:

A) Hydrophytes

B) Mesophytes

D) Xerophytes

C) Halophytes

81 / 100

Category: Biology Ch 6 Class 11

In a bacterial cell, plasma membrane with all things present within it is called:

PMC Sample 3
Biology
Kingdom Prokaryote
Elimination Tool:

A) Cytoplasmic matrix

B) Cytoplasm

C) Protoplast

D) Cell Structure

82 / 100

Category: Biology

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

NUMS Mock 1
Biology
Nutrition

A) Proteins and carbohydrates

B) Fats and proteins

C) Fats and carbohydrates

D) Vitamins and fats

83 / 100

Category: Biology Ch 6 Class 12

In alkaptonuria

Patient's urine contains homogenetisic acid

Urine becomes black

Both a and b

Urine contains phenylalanine

84 / 100

Category: Biology Ch 4 Class 11

Who first observed and thus hypothesized that new cells are formed from previously existing living cell?

Theodor Schwann and Schleiden

Rudolph Virchows

Louis Pasteur

Both b and c

85 / 100

Category: Biology

The scientific name of thorn Apple is?

NUMS Mock 2
Biology
Kingdom Plantae

A) Sycopodium phlogmaria

B) Anthocoros fusiform

C) Ginkgo biloba

D) Datura alba

86 / 100

Category: Biology Ch 6 Class 11

In bacterial categories the bacteria smaller in number are

Gram-ive bacteria

Eubacteria

Ancient bacteria

Gram +ive bacteria

87 / 100

Category: Biology Ch 8 Class 12

Phenotype for both TT and Tt is tall, so the allele T is known as:

NUMS 2019 Cancelled
Biology
Variation and Genetics
Elimination Tool:

A) Dominant

B) Recessive

C) Homozygous

D) Heterozygous

88 / 100

Category: Biology

Q.18 Which of these is not a reflex action?

A, Secretion of sweat

B. salivation

C. Flexion due to needle prick

D. blinking of eyes due to strong light

89 / 100

Category: Biology Ch 6 Class 11

A Dutch scientist firstly observed very small creatures in

PMC Practice 6
Biology
Kingdom Prokaryote
Elimination Tool:

A) Vinegar

B) Saliva

C) Rain water

D) All of Above

90 / 100

Category: Biology Ch 7 Class 12

Gametes are produced by:

PMC 2021 Tested
Biology
Cell Cycle
Elimination Tool:

A) Meiosis

B) Mitosis

C) None of these

D) Fission

91 / 100

Category: Biology Ch 6 Class 12

What would be the number of nucleotides for a protein molecule of about 142 amino acids?

NUMS 2020
Biology
Chromosomes and DNA
Elimination Tool:

A) 430

B) 142

C) 426

D) 460

92 / 100

Category: Biology Ch 9 Class 11

What is the strengthening material of the prokaryotic cell wall?

PMC Practice 7
Biology
Kingdom Plantae
Elimination Tool:

A) Cellulose

B) Chitin

C) Silica waxes and lignin

D) Peptidoglycan or murein

93 / 100

Category: Biology Ch 9 Class 12

Which of the following is NOT true for genes used in recombinant DNA technology?

NUMS 2019 Reconduct
Biology
Biotechnology
Elimination Tool:

A) It can isolated from chromosome

B) It can be synthesized chemically

C) It can be made from protein

D) It can be made from mRNA

94 / 100

Category: Biology Ch 11 Class 11

In paper chromatography xanthophyll will give ______ color:

NTS 2010
Biology
Bioenergetics
Elimination Tool:

A) Orange

B) Grey

C) Yellow

D) Blue-Green

95 / 100

Category: Biology Ch 10 Class 12

In the Hardy – Weinberg principle, p2 + 2pq + q2 = 1 . q2 represents the frequency of the:

NTS 2010
Biology
Evolution
Elimination Tool:

A) Homozygous dominant

B) Heterozygous dominant

C) Heterozygous recessive

D) Homozygous recessive

96 / 100

Category: Biology Ch 7 Class 12

Synaptonemal complex helps in:

NUMS 2014
Biology
Cell Cycle
Elimination Tool:

Bac

A) Gamete formation

B) Recombination during cell division

C) Production of enzymes during cell division

D) Chromosomal movement towards pole

97 / 100

Category: Biology

Q.15 Urethra and vagina have openings to the exterior:

A. common

B. independent

C. Both A and B

D. None of these

98 / 100

Category: Biology Ch 14 Class 11

T-Lymphocytes are matured in thymus glands and they are produced in:

NUMS 2016
Biology
Transport
Elimination Tool:

A) Thymus glands

B) Bone marrow

D) Heart

C) Pancreas

99 / 100

Category: Biology Ch 9 Class 12

Chimaeric DNA is also known as

Recombinant DNA

Complementary DNA

Vector

Plasmid

100 / 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

Your score is

The average score is 61%

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