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science MCQs with Explanations - Chapter-wise Practice Questions

Q. 22 of Quiz- (Que-ID : 3015)

Division of nucleus without being followed by cytokinesis results into

  • Phargmoplast
  • Polyploidy
  • Uninucleate condition
  • Multinucleate condition

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Q. 16 of Quiz- (Que-ID : 2684)

Which among the following has 2 chamber heart

  • Fish
  • Crocodile
  • Birds
  • Mammals

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Q. 1 of Quiz- (Que-ID : 2944)

Which of the following statements is the most appropriate for sickle cell anaemia ?

  • It cannot be treated with iron supplements.
  • It is a molecular disease.
  • It conferes resistance to acquiring malaria
  • All of the above.

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Q. 19 of Quiz- (Que-ID : 3462)

Science linking heredity with environment is:

  • Ecology
  • Ecophysiology
  • Genecology
  • Genetics

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Q. 16 of Quiz- (Que-ID : 3434)

The confirmatory test used to diagnose AIDS is:

  • ELISA
  • Western Plot
  • ESR
  • PCR

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Q. 25 of Quiz- (Que-ID : 3293)

Yeast is different from penicillium and Rhizopus in being

  • Acellular
  • Unicellular
  • Having unseptate hyphae
  • multicellular

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Q. 8 of Quiz- (Que-ID : 2676)

Which among the following WBC secrete histamine, serotonin,heparin

  • Eosinophil
  • Neutrophil
  • Basophil
  • None of the above

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Q. 4 of Quiz- (Que-ID : 3472)

Exchange of water in submerged plant

  • Stomata
  • Normal surface
  • Hydathode
  • Lenticel

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Q. 17 of Quiz- (Que-ID : 3060)

End product of glycolysis is

  • acetyl Coenzyme A
  • PEP
  • pyruvate
  • OAA

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Q. 3 of Quiz- (Que-ID : 2821)

Read the following statements and select the incorrect one.

  • Cucurbits and coconuts are monoecious plants
  • Papayas and date palms are dioecious plants.
  • Leeches and tapeworms are bisexual animals.
  • Sponges and coelenterates are unisexual animals

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Q. 11 of Quiz- (Que-ID : 3279)

Rhodophyceae is called red algae because of the pigment

  • Fucoxanthin
  • Phycoerythrin
  • Carotenoids
  • Chlorophyll c

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Q. 6 of Quiz- (Que-ID : 3074)

Manganese is required in

  • Chlorophyll synthesis
  • Nucleic acid synthesis
  • Plant cell wall formation
  • Photolysis of water during photosynthesis

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Q. 2 of Quiz- (Que-ID : 756)

Which is the first National park established in India: 

  • Jim Corbet National Park
  • Kanha National Park
  • Periyar National Park
  • Kanziranga National Park

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Q. 19 of Quiz- (Que-ID : 2862)

Feathery stigma occurs in

  • pea
  • wheat
  • Datura
  • Caesalpinia

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Q. 2 of Quiz- (Que-ID : 73)

The Heater Element in an electric iron is made of__

  • Copper
  • Tungesten
  • Nichrome
  • Iron

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Q. 11 of Quiz- (Que-ID : 3229)

In banana, the stem is

  • underground only
  • both underground and aerial
  • absent
  • aerial only

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Q. 1 of Quiz- (Que-ID : 3269)

Rhodophyceae is called red algae because of the pigment

  • Fucoxanthin
  • Phycoerythrin
  • Carotenoids
  • Chlorophyll c

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Q. 23 of Quiz- (Que-ID : 3116)

The enzyme involved in biological nitrogen fixation are

  • Carboxylase
  • Oxygenase
  • Dehydrogenase
  • Nitrogenase

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Q. 4 of Quiz- (Que-ID : 3522)

Acid Rain comes under which type of pollution?

  • Water pollution
  • Air pollution
  • Soil pollution
  • Sound Pollution

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Q. 16 of Quiz- (Que-ID : 3334)

Which form of pathogen is used in vaccination ?

  • Activated and strong pathogenic antigens
  • Inactivated and weakened pathogenic antigens
  • Hyperactive and strong pathogen
  • Preformed antibodies

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Q. 19 of Quiz- (Que-ID : 3362)

The term ‘apiculture’ refers to

  • tissue culture
  • pisciculture
  • bee-keeping
  • animal-keeping

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Q. 2 of Quiz- (Que-ID : 2895)

After ovulation Graafian follicle regreses into

  • corpus atresia
  • corpus callosum
  • corpus luteum
  • corpus albicans

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Q. 12 of Quiz- (Que-ID : 2655)

which among the following is measured by spirometer

  • Total lung capacity
  • FRC
  • RV
  • TV

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