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 Ch 5 Class 11

Vaccines for all of these have been developed EXCEPT:

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

A) Polio

B) Mumps

C) Measles

D) Cancer

2 / 100

Category: Biology Ch 9 Class 12

Chemical nature of primers used in the PCR process is _______.

UHS 2018
Biology
Biotechnology
Elimination Tool:

A) RNA

B) Protein

C) Carbohydrate

D) DNA

3 / 100

Category: Biology Ch 5 Class 12

In cystic fibrosis, liposomes-microscopic vesicles are sued which are coated with:

UHS 2015
Biology
Growth and Development
Elimination Tool:

A) Healthy Gene

B) Chromosome

D) Carbohydrate

C) Protein

4 / 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

5 / 100

Category: Biology Ch 3 Class 12

On land, frogs are:

NUMS 2014
Biology
Coordination and Control
Elimination Tool:

A) Hypermetric

B) Cerebral cortex

C) Normal sighted

D) None of these

6 / 100

Category: Biology Ch 12 Class 11

Midgut in cockroach is a short narrow tube called

Hepatic caeca

Gizzard

Stomach

Rectum

7 / 100

Category: Biology Ch 13 Class 11

The most important cause of many of the respiratory disorders is:

NUMS 2019 Cancelled
Biology
Gaseous Exchange
Elimination Tool:

A) Bacterial infection

B) Pollution

C) Smoking

D) Drinking

8 / 100

Category: Biology Ch 9 Class 12

Some transgenic bacteria produce a dipeptide sweetener called

Ultrasweet

Disweet

Monosweet

Neutrasweet

9 / 100

Category: Biology Ch 5 Class 12

Thyroxine deficiency in adults’ results in a condition called:

UHS 2015
Biology
Growth and Development
Elimination Tool:

A) Cretinism

B) Hypothyroidism

C) Thyrotoximia

D) Myxoedema

10 / 100

Category: Biology

Which type of protein structure contains the three dimensional structure?

NUMS Mock 3
Biology
Biological Molecules

A) Primary

B) Secondary

C) Tertiary

D) Quaternary

11 / 100

Category: Biology Ch 9 Class 11

What is the name of the structure of the leaf that attaches the leaf to the stem?

PMC Sample 2
Biology
Kingdom Plantae
Elimination Tool:

A) Phloem

B) Mesophyll

C) Xylem

D) Petiole

12 / 100

Category: Biology Ch 5 Class 11

Five kingdom classification was proposed by :

Carlous Linnaeus

E-Chatton

Robert Whittaker

Lynn Margulis and Karlene Schwartz

13 / 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

14 / 100

Category: Biology Ch 3 Class 11

In enzymatic mechanism, the substrate bind to the enzyme active site to produce?

PMC Practice 3
Biology
Enzymes
Elimination Tool:

A) Reactants

B) Enzymes

C) Products

D) All of these

15 / 100

Category: Biology Ch 8 Class 12

Genotype of blood group ‘AB’ in human is ______.

NUMS 2015
Biology
Variation and Genetics
Elimination Tool:

A) IA IB

B) IB Io

C) IA IA

D) IoIo

16 / 100

Category: Biology

Q.30 Arterial blood contains ___________of CO2/100 ml of blood:

17 / 100

Category: Biology

Q.15 Genes that affect growth rate in humans influencing both weight and height are?

A. Codominant

B. Epistasis

C. Polygene

D. Pleiotrop

18 / 100

Category: Biology Ch 4 Class 11

Spherical or tubular membranes which separate the material present in endoplasmic reticulum from that of cytoplasmic material are called

Cytosol

Cisternae

Polysomes

Cristae

19 / 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

20 / 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

21 / 100

Category: Biology Ch 11 Class 11

Dark reaction of photosynthesis takes place in _______ of chloroplast.

NUMS 2020
Biology
Bioenergetics
Elimination Tool:

A) Thylakoids

B) Grana

C) Intergrana

D) Stroma

22 / 100

Category: Biology Ch 13 Class 12

Overgrazing results in:

NUMS 2019 Cancelled
Biology
Man and His Environment
Elimination Tool:

A) Totally barren lands

B) Good pastured lands

C) Salinity

D) Rocky areas

23 / 100

Category: Biology Ch 2 Class 11

Which of the following are instant sources of energy in living organisms, like glucose? Their general formula is:

NUMS 2019 Cancelled
Biology
Biological Molecules
Elimination Tool:

A) Cx(H2O)y

B) C6H12O6

C) Cx(H2O)x

D) Cx(HO)y

24 / 100

Category: Biology Ch 2 Class 11

The branch of biology which deals with the study of chemical compounds and the chemical processes in the fliving organisms is called:

Chemistry

Biochemistry

Molocular biology

Both a and b

25 / 100

Category: Biology Ch 7 Class 11

Chalk is gradually formed of dead

Actinopods

Foraminiferans

Apicomplexans

Radiolarians

26 / 100

Category: Biology Ch 10 Class 12

Most of the fossils are found in which of the following?

PMC Sample 1
Biology
Evolution
Elimination Tool:

A) Metamorphic rocks

B) soil

C) Volcanic mountains

D) Sedimentary rocks

27 / 100

Category: Biology Ch 9 Class 12

Golden rice is a promising transgenic crop. When released for cultivation, it will help in

PMC Practice 11
Biology
Biotechnology
Elimination Tool:

A) Producing a petrollike fuel from rice

B) Alleviation of vitamin A deficiency

C) Pest resistance

D) Herbicide tolerance

28 / 100

Category: Biology Ch 6 Class 12

Which of the following is NOT the part of RNA?

NTS 2018
Biology
Chromosomes and DNA
Elimination Tool:

A) Nitrogenous bases

B) Ribose Sugars

C) Deoxyribose Sugars

D) Phosphate groups

29 / 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

30 / 100

Category: Biology

Erythroblastosis foetalis occurs when:

NUMS Mock 2
Biology
Variation and Genetics

A) Mother is Rh-positive and baby is Rh-negative

B) Mother is Rh-negative and the baby is Rh-positive

C) Both mother and baby are Rh-negative

D) Both mother and baby are Rh-positive

31 / 100

Category: Biology Ch 6 Class 12

Chromosomes are composed of

40% protein and 60% DNA

50% protein and 50% DNA

70% protein and 30% DNA

60% protein and 40% DNA

32 / 100

Category: Biology Ch 10 Class 12

Natural selection can amplify or diminish variations that are

Non heritable

Heritable

Both heritable and non heritable

Acquired

33 / 100

Category: Biology Ch 4 Class 12

Which of the following hormones of the pituitary gland regulates the menstrual cycle?

PMC 2020
Biology
Reproduction
Elimination Tool:

A) Follicle Stimulating hormone and Estrogen

B) Luteinizing hormone and Estrogen

C) Follicle Stimulating hormone and Luteinizing hormone

D) Estrogen and Progesterone

34 / 100

Category: Biology Ch 9 Class 11

The most successful land adapting plants are:

NUMS 2020
Biology
Kingdom Plantae
Elimination Tool:

A) Mosses

B) Ferns

C) Gymnosperms

D) Angiosperms

35 / 100

Category: Biology Ch 3 Class 12

Which one of the following is common to all neurons?

PMC 2020
Biology
Coordination and Control
Elimination Tool:

A) A cell body which contains a nucleus

B) A thick myelin sheath

C) Presence of node of Ranvier

D) Presence of Schwann cells

36 / 100

Category: Biology Ch 8 Class 12

The trait “Kernel colour in corn” in controlled by how many pairs of genes

One pair

Two pairs

Three pairs

Many pairs

37 / 100

Category: Biology Ch 6 Class 11

The word Archaeobacteria (a division of bacteria) derived from Greek means

True bacteria

False bacteria

Recent bacteria

Ancient bacteria

38 / 100

Category: Biology Ch 10 Class 11

In some cases the blastomere can produce complete embryo the cleavage will be

Spiral and determinate

Radial and indeterminate

Spiral and indeterminate

Radial and determinate

39 / 100

Category: Biology Ch 5 Class 12

Plasticity of cell wall increases during

Cell maturation

Cell elongation

Cell differentiation

Cell division

40 / 100

Category: Biology Ch 3 Class 11

The lock and key model of enzyme action was proposed by:

PMC Sample 3
Biology
Enzymes
Elimination Tool:

A) Louis Pasteur

B) Emil Fischer

C) Daniel Koshland

D) Urey Miller

41 / 100

Category: Biology Ch 2 Class 11

All of the following structures are proteinous in nature except:

NUMS 2014
Biology
Biological Molecules
Elimination Tool:

A) Hooves

B) Haemoglobin

C) Enzymes

D) Steroids

42 / 100

Category: Biology Ch 3 Class 11

The type of energy, reduced by the enzymes, for biological reactions to occur is called the:

UHS 2019
Biology
Enzymes
Elimination Tool:

A) Light Energy

B) Heat energy

C) Active energy

D) Activation energy

43 / 100

Category: Biology Ch 14 Class 11

In the human body, blood circulating from the gut to the heart passes through the:

NTS 2013
Biology
Transport
Elimination Tool:

A) aorta

B) kidneys

D) lungs

C) llver

44 / 100

Category: Biology

Q.8 Which of the following structure provides greater pathogenicity to the bacteria?

A. slime

B. cell wall

C. cell membrane

D. capsule

45 / 100

Category: Biology Ch 14 Class 11

Antibodies are manufactured in:

PMC 2020
Biology
Transport
Elimination Tool:

A) T Lymphocytes

B) Red Blood Cells

C) Platelets

D) B Lymphocytes

46 / 100

Category: Biology Ch 3 Class 11

The active site of an enzyme:

Never changes

Forms no chemical bond with substrate

Determined by structure and the specificity of the enzyme.

They are non specific in their action.

47 / 100

Category: Biology

Four events in the transmission of nerve impulses across synapses are:

I. depolarisation of the presynaptic membrane

II. propagation of postsynaptic action potential

III. reabsorption of the transmitter substance

IV. release of transmitter substance into the synaptic cleft

In which sequence do these events occur?

FIRST -> LAST

NUMS Mock 4
Biology
Coordination and Control
D) IV, III, I and II

A) I, III, II, and IV

B) I, IV, II and III

C) IV, I, III and II

D) IV, III, I and II

48 / 100

Category: Biology Ch 6 Class 12

Rate of DNA replication by DNA polymerase is

2000 nucleotides / sec

1000 nucleotides / sec

150 nucleotides / sec

1050 nucleotides / sec

49 / 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

50 / 100

Category: Biology Ch 5 Class 11

Second major form of hepatitis is:

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

A) Hepatitis A

B) Hepatitis B

C) Hepatitis C

D) Hepatitis D

51 / 100

Category: Biology Ch 14 Class 11

What will happen, if there is an increase in plasma albumin?

NUMS 2014
Biology
Transport
Elimination Tool:

A) Increased blood pressure

B) Increased rate of heart

C) Greater accumulation of tissue fluid

D) Decreased filtration in glomerulus

52 / 100

Category: Biology Ch 4 Class 12

Which of the following is correct in humans?

NUMS 2015
Biology
Reproduction
Elimination Tool:

A) Both sperm and egg contain yolk

B) All genetic information comes from sperm

C) Sperm contains little cytoplasm

D) Fertilization commonly occurs in the uterus

53 / 100

Category: Biology Ch 12 Class 12

One of the most important cause of desertification is

Floods

Wind blowing

Raining

Deforestation

54 / 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

55 / 100

Category: Biology Ch 8 Class 12

The disease, which is caused by defect in a single gene or pair of genes is referred to as:

NTS 2016 SMBBMC
Biology
Variation and Genetics
Elimination Tool:

A) Unifactorial

B) Multifactorial

C) Down syndrome

D) Turner syndrome

56 / 100

Category: Biology Ch 11 Class 12

Lichen and algae form

Climax community

Pioneers community

Initiator community

Seral community

57 / 100

Category: Biology Ch 12 Class 11

The process of swallowing is controlled by:

NUMS 2016
Biology
Nutrition
Elimination Tool:

A) Hypothalamus

B) Hormones

C) Medulla oblongata

D) Sympathetic nervous system

58 / 100

Category: Biology Ch 3 Class 11

What is not true about the induced fit model:

NUMS 2018
Biology
Enzymes
Elimination Tool:

A) Explains mechanism of enzyme action

B) Enzyme is specific in nature

C) Enzyme is a flexible structure

D) Enzyme doesn’t show change during reaction

59 / 100

Category: Biology Ch 12 Class 11

Which type of mucosa cells secrete pepsinogen?

NUMS 2014
Biology
Nutrition
Elimination Tool:

A) Zymogen

B) Oxyntic

C) Mucous

D) Gastric

60 / 100

Category: Biology Ch 14 Class 11

Which of the following are found in both arteries and capillaries?

NTS 2015 SMBBMC
Biology
Transport
Elimination Tool:

A) Collagen fibres

B) Elastic fibres

C) Endothelial cells

D) Smooth muscle cells

61 / 100

Category: Biology Ch 14 Class 11

The favourite host cells of the HIV-Virus are:

NUMS 2014
Biology
Transport
Elimination Tool:

A) Lymphocytes

B) RBCs

C) T-cells

D) B-cells

62 / 100

Category: Biology Ch 6 Class 12

Which of the following enzymes is used to join DNA fragments?

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

A) DNA polymerase

B) Ligase

C) Primase

D) Endonuclease

63 / 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

64 / 100

Category: Biology Ch 14 Class 11

Consider the following statements regarding blood pressure:

1. It is the pressure exerted by the blood on the walls of any vessel.

2. It decreases in the arteries as the distance from the heart increases.

3. It is lower in the capillaries than in the arteries.

4. It is usually lower in women than in men.

Choose the correct statements.

NTS 2015 DUHS and JSMU
Biology
Transport
Elimination Tool:

A) 1, 2 and 3 are correct.

B) 2, 3 and 4 are correct.

C) 1 and 4 are correct.

D) 1, 2, 3 and 4 are correct.

65 / 100

Category: Biology Ch 11 Class 12

Which statement is true?

Producers are heterotrophic organisms

Consumers are autotrophic organisms

Fungi and bacteria are decomposers

Consumers release chemical elements as ions

66 / 100

Category: Biology Ch 8 Class 12

Ahmed’s blood CANNOT clot properly; he was diagnosed with hemophilia A. He passed this trait to his grandson through his:

NUMS 2019 Reconduct
Biology
Variation and Genetics
Elimination Tool:

A) Wife

B) Son

C) Daughter

D) Brother

67 / 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

68 / 100

Category: Biology Ch 8 Class 12

Continuous variations in a population were first observed by:

NUMS 2015
Biology
Variation and Genetics
Elimination Tool:

A) Mendel

B) Correns

C) Nilsson

D) Darwin

69 / 100

Category: Biology Ch 3 Class 11

The inhibitor which closely resembles the substrate in its molecular structure and inhibits the enzyme activity by binding to the active site of the enzyme is called:

NTS 2013
Biology
Enzymes
Elimination Tool:

A) Feedback inhibitor

B) Non-competitive inhibitor

C) Allosteric modulator

D) Competitive inhibitor

70 / 100

Category: Biology Ch 1 Class 11

In animals coordination is achieved by means of

Respiratory system

Nervous system

Endocrine system

Both b and c

71 / 100

Category: Biology Ch 8 Class 12

Which of the following X – linked recessive trait that is more common in human males than in human females?

NUMS 2019 Cancelled
Biology
Variation and Genetics
Elimination Tool:

A) Hemophilia

B) Sickle cell Anemia

C) Color Blindness

D) Hypophosphatemic rickets

72 / 100

Category: Biology Ch 6 Class 12

Chromosome is made of

2 chromatids +1 centromere +secondary constriction

1 chromated + 1 centromere + primary constriction

2 chromatids + 1 centromere + primary constriction

2 chromatids + 2 centromere + secondary constriction

73 / 100

Category: Biology Ch 5 Class 11

Genetically modified plants contain:

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

A) No gene

B) No gene in transposition

C) Widely used in gene transfer

D) All of these options are correct

74 / 100

Category: Biology Ch 3 Class 11

When inhibitor binds to enzyme other than active site and alters its structure, then it is called:

NUMS 2020
Biology
Enzymes
Elimination Tool:

A) Competitive inhibitor

B) Non-competitive inhibitor

C) Reversible inhibitor

D) Irreversible inhibitor

75 / 100

Category: Biology Ch 1 Class 11

Which character differentiates living things from non-living organisms?

They live in the same ecosystem.

They are acted upon by the same environment

They are highly organized and complex made of one or more cells and contain genetic material

Both a and b

76 / 100

Category: Biology Ch 9 Class 11

A sponge of Antarctica which is more than a meter tall is known as?

PMC Sample 3
Biology
Kingdom Plantae
Elimination Tool:

A) Euplectella

B) Spongilla

C) Leucosolenia

D) Scolymastra joubini

77 / 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

78 / 100

Category: Biology

Q.2 Competitive inhibition can be overcome by using

A. Low concentration of substrate

B. High concentration of inhibitor

C. Moderate concentration of inhibitor

D. High concentration of substrate

79 / 100

Category: Biology Ch 9 Class 11

Which characteristic led to the evolution of seed?

NUMS 2020
Biology
Kingdom Plantae
Elimination Tool:

A) Heterogamous condition

B) Development of heterospory

C) Embryo formation

D) Protection of reproductive cells

80 / 100

Category: Biology Ch 7 Class 11

In which of the following pigments major energy reserves and cell wall are like plants?

Rhodophyta

Chlorophyta

Phaeophyta

Chrysophyta

81 / 100

Category: Biology Ch 13 Class 12

When resources gets scarce, the population growth?

PMC Practice 1
Biology
Man and His Environment
Elimination Tool:

A) Becomes fast

B) Slows down

C) Remains same

D) None of these

82 / 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

83 / 100

Category: Biology Ch 6 Class 11

For respiratory metabolism, a bacterial cell membrane contains:

PMC Practice 4
Biology
Kingdom Prokaryote
Elimination Tool:

A) Proteins

B) Lipids

D) Chemicals

C) Enzymes

84 / 100

Category: Biology Ch 6 Class 11

Germ theory was presented by:

NUMS 2016
Biology
Kingdom Prokaryote
Elimination Tool:

A) Robert Koch

B) Antonie van Leeuwenhoek

C) Robert Hooke

D) Robert Brown

85 / 100

Category: Biology Ch 2 Class 11

Ribose sugar that is the main part of RNA is a type of _____ sugar.

NUMS 2019 Reconduct
Biology
Biological Molecules
Elimination Tool:

A) Triose

B) Tetrose

C) Pentose

D) Hexose

86 / 100

Category: Biology Ch 5 Class 12

Developing seeds are rich source of

Auxins

Gibberellins

Cytokinins

All of these

87 / 100

Category: Biology Ch 4 Class 12

In which organism males are haploid

Aphids

Honey bee

Mosquito

Butterfly

88 / 100

Category: Biology Ch 4 Class 12

Which method is of asexual reproduction?

Sporulation

Fission

Apomixis

All of these

89 / 100

Category: Biology Ch 10 Class 11

Filter feeders extract food particles from:

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool:

A) Water

B) Soil

C) Air

D) Blood

90 / 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.

91 / 100

Category: Biology Ch 5 Class 11

Vaccine Was discovered by :

Louis Pasteur

Edward Jennar

Ivanowski

Stanely

92 / 100

Category: Biology Ch 10 Class 12

Which statement is incorrect?

Homologous organs are functionally different but structurally alike

Analogous organs are functionally different but structurally alike

Examples of homologous structures are arms of man, forelimb of cat, flipper of whale

Examples of analogous structures are wings of bats, birds and insects

93 / 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

94 / 100

Category: Biology Ch 2 Class 11

Which of the following has the ability to develop ester linkage with the OH group of Pentose sugar?

NUMS 2015
Biology
Biological Molecules
Elimination Tool:

A) Purine

B) Pyrimidine

C) H3PO4

D) HNO3

95 / 100

Category: Biology Ch 7 Class 12

Which statement is incorrect?

In human, cell cycle is about 24 hrs

Mitosis takes 30 min

G2 5.5 hrs

Yeast cell only 90 min

96 / 100

Category: Biology Ch 10 Class 12

Analogous organs show

Convergent evolution

Divergent evolution

Straight evolution

Zig-zag evolution

97 / 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

98 / 100

Category: Biology

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?

NUMS Mock 3
Biology
Enzymes

A) 1 and 4

B) 2 and 4

C) 1 and 2

D) 1,2,3 and 4

99 / 100

Category: Biology Ch 5 Class 11

Other name for Kingdom monera is:

Protoctista

Prokaryotae

Archae

None of these

100 / 100

Category: Biology

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

A. Plastoquinone

B. Cytochrome complex

C. Plastocyanin

D. Ferredoxin

Your score is

The average score is 61%

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