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XI BOTANY (Vol 1 & 2)

Total questions: 60

Worksheet time: 2hrs 0mins

Name
Class
Date
1.

Which category of organism does not comes under five kingdom concept?

a)

Paramecium

b)

Nostoc

c)

Vibrio cholerae

d)

Hepatitis B

2.

Genophore is associated with _______

a)

The pore found in cell wall it helps in diffusion of solutes

b)

Chromosome of Prokaryotes

c)

Extra Chromosome of prokaryotes

d)

Infolding of plasma membrane

3.

A specialized membraneous structure and folded invaginations in the plasma membrane of bacteria called as _______

a)

Episome

b)

Endosome

c)

Mesosome

d)

Fimbriae

4.

In 1928 Frederick Griffith demonstrated transformation principle by using ______

a)

Streptococcus pneumoniae

b)

Mycoplasma pneumoniae

c)

Diplococcus pneumoniae

d)

Salmonella typhimurum

5.

Choose the wrong pair or mismatched

a)

Super bug - Formation of Hydrocarbons

b)

A.tumefaciens - Induce crown gall disease

c)

T. aquaticus - Formation of DNA polymerase

d)

Methanobacterium - Bio gas production

6.

Birbal Sahni institute of palaeobotany is located in ______

a)

Lucknow

b)

Nagpur

c)

Bangalore

d)

Hyderabad

7.

Biological species concept was given by ______

a)

Stebbins

b)

Ernst Mayr

c)

Simpson

d)

Darwin

8.

Which organelle is not considered as a part of Endomembrane system?

a)

Lysosomes

b)

Endoplasmic Reticulum

c)

Mitochondria

d)

Golgi complex

9.

The fluid mosaic model was given by Singer and Nicholson in the year _________

a)

1972

b)

1976

c)

1982

d)

1986

10.

In which kind of transport, the molecules will go against the concentration gradient?

a)

Passive transport

b)

Active transport

c)

Facilitated transport

d)

All of these

11.

What is the component of middle lamella that binds neighbouring cells together?

a)

Calcium acetate

b)

Calcium pectate

c)

Sodium pectate

d)

Sodium acetate

12.

Golgi apparatus is an important site for the formation of _______ & ________

a)

Protein and lipids

b)

Carbohydrates and proteins

c)

Carbohydrates and lipids

d)

Glycoproteins and glycolipids

13.

The term "CELL" derived from ______ word

a)

Latin

b)

Greek

c)

German

d)

French

14.

Who proposed that the all organisms are made up of cells?

a)

Robert Brown

b)

Rodalf de Virchow

c)

Antone von leeuwanhoek

d)

Schleiden and Schwann

15.

_______ is organic non protein part which is loosely bound with protein part of enzyme.

a)

Apoenzyme

b)

Coenzyme

c)

Prosthetic group

d)

Co factors

16.

which group of enzymes catalyses the cleavage of specific bonds without hydrolysis ______

a)

Hydrogenases

b)

Hydrolases

c)

Lyases

d)

Dehydrogenase

17.

The most abundant protein in human body ______

a)

Actin & Myosin

b)

Keratin

c)

Albumin

d)

Collagen

18.

_____ element is absent in protein stucture

a)

Calcium

b)

Nitrogen

c)

Sulphur

d)

Phosphorous

19.

Choose an example of monosaccharide?

a)

Pentose

b)

Heptose

c)

Glucose

d)

All of these

20.

The Storage granules are fuses with phagosome to form _____

a)

Protolysosome

b)

Autophagic vacuoles

c)

Residual bodies

d)

Digestive vacuoles

21.

Dipeptide is made up of _______

a)

2 Amino acids linked by 1 peptide bond

b)

2 Amino acids linked by 2 peptide bond

c)

3 Amino acids linked by 2 peptide bond

d)

1 Amino acid linked by 2 peptide bond

22.

Carbohydrates are stored in mammals as _____

a)

Glucose in Liver & Muscles

b)

Glycogen in Liver & Muscles

c)

Glucagon in Liver & Muscles

d)

Glycogen in spleen & Muscles

23.

All the enzymes of Krebs's cycle found in matrix of mitochondria except _______

a)

Malate dehydrogenase

b)

Succinate dehydrogenase

c)

Fumarate dehydrogenase

d)

Isocitrate dehydrogenase

24.

Choose a non membranous cell organelle in given option ______

a)

Nucleolus

b)

Cytoskeleton

c)

Ribosomes

d)

All of these

25.

What type inheritance pattern occur in mitochondrial DNA?

a)

Maternal inheritance

b)

Paternal inheritance

c)

Bipaternal inheritance

d)

Mendelian inheritance

26.

The nucleolus is the site of formation of _____

a)

Spindle fi bres

b)

Chromosomes

c)

Ribosomes

d)

Lysosomes

27.

Which type of sugar found in Nucleic acids?

a)

Pentose

b)

Ribose

c)

Deoxyribose

d)

All are correct

28.

The Distance between two consecutive base pairs should be ______

a)

34 nm

b)

3.4 nm

c)

20 nm

d)

0.34 nm

29.

The term "Protoplasm" coined by _____

a)

Huxley

b)

Dujardin

c)

Purkinje

d)

Porter

30.

The two strands of DNA are held together by ______

a)

Nitrogen bonds

b)

Hydrogen bonds

c)

Phosphodiester bonds

d)

Glycosidic bonds

31.

Most abundant RNA of the cell is

a)

t-RNA

b)

r-RNA

c)

m-RNA

d)

hnRNA

32.

One of the following amino acids does not contain sulphur

a)

Tryptophan

b)

Methionine

c)

Cystine

d)

Cysteine

33.

Which of the following is not reducing sugar?

a)

Glucose

b)

Lactose

c)

Maltose

d)

Sucrose

34.

The ‘turnover number’ of an enzyme depends upon?

a)

Size of enzyme molecule

b)

Active sites of enzymes molecule

c)

Concentration of substrate molecule

d)

Molecular weight of enzyme

35.

Several ribosomes may attach to a single m-RNA and form a chain called as ______

a)

Polypeptide

b)

Polycistronic mRNA

c)

Polymer

d)

Ergosome

36.

Choose the correct statement given below

a)

Mesosome are formed by a specialized differentiated form of nuclear membrane.

b)

Centriole is single membrane organelle

c)

Mitochondria are known as energy currency of the cell.

d)

Centriole consists of nine triplet fibrils & made of tubulin

37.

During mitosis spindle fibers are attached to _______ region of chromosome.

a)

Centromere

b)

Kinetochore

c)

Chromatids

d)

Satellite

38.

Lampbrush chromosomes are occur at the _____ stage of meiosis

a)

Interphase

b)

Metaphase

c)

Diplotene

d)

Laptotene

39.

Which of the following is present in the matrix of mitochondria

a)

RNA & DNA

b)

Ribosomes & DNA

c)

Ribosomes & RNA

d)

Ribosomes, RNA & DNA

40.

(A) In mitochondria inner layer has many folding which is known as cisternae.

(R) In that Electron Transport System occurs inner membrane.

a)

Both A & R is correct

b)

Both A & R is incorrect

c)

A is correct but R is incorrect

d)

A is incorrect but R is correct

41.

choose the wrong matching pair

a)

Laptotene - Condensation of chromosomes

b)

Zygotene - Bivalent formation

c)

Pachytene - Recombination of chromosomes

d)

Diplotene - Terminalisation of chiasmata

42.

The independent assortment of homologous chromosomes takes place in ______

a)

Prophase I

b)

Anaphase I

c)

Metaphase I

d)

Telophase I

43.

Fructose is a example of ______

a)

Aldose hexose sugar

b)

Ketose hexose sugar

c)

Aldose pentose sugar

d)

Ketose pentose sugar

44.

All enzymes are proteins except _____

a)

Trypsin

b)

Lysozyme

c)

Enterokinase

d)

Ribozyme

45.

Which of the following one not a homo polysaccharides

a)

Heparin

b)

Starch

c)

Pectin

d)

Chitin

e)

Inulin

46.

In Cellulose β- glucose units are held together by ______

a)

α 1-4 glycosidic linkage

b)

α 1-6 glycosidic linkage

c)

β 1-4 glycosidic linkage

d)

β 1-6 glycosidic linkage

47.

The amino acid act as both acid and base is called as ______

a)

Amphibolic

b)

Amphoteric

c)

Zwitter ions

d)

Dipolar ions

48.

Pauling and Corey was awarded Nobel prize in 1951 for proposed the α-helix & β- pleated sheet in ______ proteins

a)

Primary structure

b)

Secondary structure

c)

Tertiary structure

d)

Quaternary structure

49.

Best example of competitive inhibitor for enzyme action _______

a)

Malonate for Succinic dehydrogenase

b)

Cyanide blocks Cytochrome oxidase

c)

Dinitrophenol inhibit ATP synthesis

d)

Alanine inhibits the pyruvate kinase

50.

Transports of two different molecules in opposite direction across the membrane is known as ______

a)

Symport

b)

Co-transport

c)

Counter transport

d)

Active transport

51.

Nitrates in the soil are converted into atmospheric nitrogen by _______

a)

Nitrogen Fixation

b)

Nitrification

c)

Ammonification

d)

Denitrification

52.

What happens in oxidation reaction?

a)

Loss of Electron

b)

Loss of Oxygen

c)

Gain of Electron

d)

Gain of Hydrogen

53.

Chemiosmotic theory was proposed by _______ in 1966.

a)

P.Mitchell

b)

Blackman

c)

Lipman

d)

Karl Lohman

54.

Pyruvate can be made from glucose through _____

a)

Embden-Meyerhof pathway.

b)

Gluconeogenesis

c)

HMP pathway

d)

Pyruvate oxidation

55.

_________ final step of energy production from nutrients

a)

ETC reaction

b)

EMP pathway

c)

HMP shunt

d)

TCA cycle

56.

_______ is major structural components of the plasma membrane

a)

Phospholipids

b)

Glycocalyx

c)

Carbohyrates

d)

Proteins

57.

Classification of amino acids based on the ______

a)

R group

b)

Amino group

c)

Carboxylic group

d)

Aldehyde group

58.

The histone proteins are rich in basic amino acids ______

a)

Lysine and Arginine

b)

Histidine and Serine

c)

Alanine and Glycine

d)

Cysteine and methionine

59.

which is common stage of both aerobic and anaerobic respiration?

a)

Glycolysis

b)

Pyruvate oxidation

c)

Krebs cycle

d)

Terminal oxidation

60.

which of the following step FADH2 is formed

a)

Succinyl CoA into Succinate

b)

Succinate into Fumerate

c)

Fumerate into Malate

d)

Malate into Oxalo acidic acid

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