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Number of MCQs: 50 20 50 100 150 200

Question no 1:

 

Q.1 Which branch of science is short in laws ?

A) Physics
B) Biology
C) Chemistry
D) All of these

Question no 2:

 

Q.2 Which of the following is incorrect for the lysogenic cycle in life cycle of bacteriophage_____________?

A) The bacterium continues to live and reproduce normally
B) Phage when gets incorporated with the bacterial chromosome is called prophage
C) The cycle may convert into lytic type resulting from environmental exposure
D) Lysogenic bacteria may get infected by the related phage

Question no 3:

 

Q.3 Which of the following is a chemical link between catabolism and anabolism?

A) All of these
B) ATP
C) AMP
D) ADP

Question no 4:

 

Q.4 Carrot is a source of_________?

A) Vitamin C
B) Vitamin B
C) Vitamin A
D) Vitamin D

Question no 5:

 

Q.5 Puccinia is a parasitic___________?

A) Fungus
B) Animal
C) Plant
D) Algae

Question no 6:

 

Q.6 Rapid growth at exponential ration occurs in which phase of bacterial growth:

A) Death / decline phase
B) Stationary phase
C) Lag phase
D) Log phase

Question no 7:

 

Q.7 The pressure generated when water enters & inflates plant cells is called ___________ potential?

A) Solute
B) Water
C) Osmotic
D) Pressure

Question no 8:

 

Q.8 The partly digested food is stored in________in cockroach?

A) Gizzard
B) Hepatic caeca
C) Crop
D) Rectum

Question no 9:

 

Q.9 Which one gives blue colour with iodine_______________?

A) Starch
B) Cellulose
C) Polysaccharide
D) Glycogen

Question no 10:

 

Q.10 Endocrine system consists of some/how _______ Endocrine glands /tissues.

A) 59
B) 20
C) 29
D) 78

Question no 11:

 

Q.11 _________ stimulates the production of gastric juice in the stomach:

A) Gastrin
B) Rennin
C) Enterokinase
D) None of these

Question no 12:

 

Q.12 Detachment of myosin head and actin in rigor mortis occurs due to__________?

A) stored ATP in body
B) hyperactivity of mitochondria
C) hypercalcemia
D) autolysis in body

Question no 13:

 

Q.13 How many bones does a baby have_______?

A) 300
B) 206
C) None of these
D) 212

Question no 14:

 

Q.14 Carbon commonly combines with______________?

A) P & S
B) N & O
C) H
D) All of these

Question no 15:

 

Q.15 Which area of the brain does mathematical process occur?

A) The right parietal lobe
B) The left parietal lobe
C) cerebrum
D) Mid brain

Question no 16:

 

Q.16 In living organisms the lubricant which provides protection against damage resulting from friction is___________?

A) Fatty acid
B) Water
C) Protein
D) Carbohydrates

Question no 17:

 

Q.17 Allium cepa is the scientific name of______________?

A) Potato
B) Tomato
C) Amaltas
D) Onion

Question no 18:

 

Q.18 Respiratory distress syndrome is common especially for infants with a__________?

A) More than 9 month
B) Less than 8 month
C) Less than 7 month
D) Less than 9 month

Question no 19:

 

Q.19 Of the following which one is not the characteristic of green algae?

A) None of these
B) They are generally accepted as the ancestors of green plants
C) Chlorella is unicellular non-motile green algae
D) Some green algae possess cell wall with cellulose

Question no 20:

 

Q.20 Hemoglobin molecule exhibits which structural organization of proteins___________?

A) Secondary structure
B) Quaternary structure
C) Primary structure
D) Tertiary structure

Question no 21:

 

Q.21 Epinasty is controlled by_____________?

A) Gibberellins
B) Auxins
C) Cytokinins
D) Abscisins

Question no 22:

 

Q.22 During anaerobic respiration the final electron acceptor in electron transport chain is:

A) NADP+
B) Sulfate
C) water
D) Molecular oxygen

Question no 23:

 

Q.23 which of the following hepatitis is more contagious ?

A) HAV
B) HDV
C) HCV
D) HBV

Question no 24:

 

Q.24 The sponges in which sperms develop first are included in the category of__________?

A) Peritandrous
B) Protandrous
C) Protendrous
D) Pertandrous

Question no 25:

 

Q.25 Thylakoids in chloroplasts are stacked into___________?

A) Stroma
B) None of these
C) Nucleus
D) Grana

Question no 26:

 

Q.26 Lungs are spongy due to the presence of million of___________?

A) Air sacs
B) Bronchioles
C) Parabronchi
D) Alveoli

Question no 27:

 

Q.27 Maize is an example of_________________?

A) Dicot
B) none of these
C) Gymnosperms
D) Monocot

Question no 28:

 

Q.28 In esterification OH comes from_______________?

A) Sugar
B) Alcohol
C) Organic acid
D) Water

Question no 29:

 

Q.29 A moth is closely related to_________?

A) Cricket
B) Butterfly
C) Wasp
D) Beetle

Question no 30:

 

Q.30 DNA of mitochondria is__________?

A) circular
B) All of these
C) straight
D) spring

Question no 31:

 

Q.31 Bio means: ___________?

A) None of These
B) Community
C) Life
D) Cycle

Question no 32:

 

Q.32 The sum of genes in a population is called ________?

A) Genotype
B) Lethal gene
C) Karyotype
D) Gene pool

Question no 33:

 

Q.33 Of the following which one is not the characteristic of the plants included in psilopsida_____________?

A) Rhizoids bear Rhizome
B) They have mycorrhizal association
C) Aerial branches have veinless outgrowths
D) Gametophyte is colourless

Question no 34:

 

Q.34 Which of the following statement is incorrect regarding germ theory of diseases postulated by Robert Koch_____________?

A) A specific organism can always be found in association with a given disease
B) It is possible to recover the organism in pure culture from the experimentally infected animals
C) The pure culture cannot produce the disease when inoculated into susceptible animal however the causative organism isolated from pure culture can do so.
D) The organism can be isolated and grown in pure culture in the laboratories

Question no 35:

 

Q.35 Which of the following bones are present in pectoral girdle?

A) Clavicle
B) Both of these
C) None of these
D) Scapula

Question no 36:

 

Q.36 Tricuspid valve is present_____________?

A) At base of aorta
B) At base of pulmonary artery
C) Between right atrium and right ventricle
D) Between left atrium and left ventricle

Question no 37:

 

Q.37 Body is globular in_________?

A) Sea cucumber
B) Sea Urchin
C) Brittle star
D) Cake urchin

Question no 38:

 

Q.38 Sebum produced from sebaceous glands in a mammal helps in___________?

A) Protection against micro organisms
B) Temperature regulation
C) All of these
D) Excretion

Question no 39:

 

Q.39 Animals with greatest number of similarities are grouped together in a/an___________?

A) Genus
B) Family
C) Phylum
D) Order

Question no 40:

 

Q.40 The maximum amount of oxygen which normal human blood absorbs and carries at sea level is ________ per 100 ml of blood.

A) 10 ml
B) 40 ml
C) 20 ml
D) 30 ml

Question no 41:

 

Q.41 Excessive lactic acid is converted into __________ by liver?

A) Glucose
B) Glycogen
C) Sucrose
D) Fructose

Question no 42:

 

Q.42 Chemical substances used on living tissues that inhibit the growth of micro organism are called___________?

A) Vaccines
B) Antibiotics
C) Antiseptics
D) Disinfectants

Question no 43:

 

Q.43 Cell wall is richly impregnated with silica in__________?

A) Rhodophyta
B) Euglenophyta
C) Baciliariophyta
D) Phaeophyta

Question no 44:

 

Q.44 Fishes, most of the invertebrates and amphibians are examples of ________ animals?

A) Ectotherms
B) Homeotherms
C) Heterotherms
D) Endotherms

Question no 45:

 

Q.45 Rose is an example of____________?

A) Hydrophytes
B) Xerophytes
C) Mesophytes
D) Halophytes

Question no 46:

 

Q.46 A normal metaphase chromosome with a midial centromere is ________?

A) Acrocentric
B) Metacentric
C) Telocentric
D) Sub-metacentric

Question no 47:

 

Q.47 Golden brown colour of diatoms is due to presence of__________?

A) Mycoxanthin, mucoxanthin and myxoxanthophylls
B) Fucoxanthin, diatoxanthin, diadinoxanthin
C) None of the above
D) Alpha and beta carotenes and myxoxanthin

Question no 48:

 

Q.48 Of the following which one is not the characteristic of dinoflagellates?

A) Most of them are unicellular
B) Their cells are often covered with shells of interlocking cellulose plates impregnated with calcium
C) They have blooms
D) None of these

Question no 49:

 

Q.49 HIV is a ________ virus?

A) SsDNA
B) DsDNA
C) SsRNA
D) DsRNA

Question no 50:

 

Q.50 Brown fat present in certain mammals is specialized in___________?

A) Controlling heat production.
B) Providing insulation in hot environment
C) Rapid heat production.
D) Providing insulation in cold environment.

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