Biology Selected Questions and Answers Set 27

Q.1:- Who published the book “Origin of Species by Natural Selection in 1859” ?[SSC Exam 2013]

  1. Lamarck
  2. Darwin
  3. Wallace
  4. Oparin

Q.2:- Which one of the following is the correct sequence of a food chain ? [UPSC Exam 2014]

  1. Diatoms-Crustaceans-Herrings
  2. Crustaceans-Diatoms-Herrings
  3. Diatoms-Herrings-Crustaceans
  4. Crustaceans-Herrings-Diatoms

Q.3:- Which one of the following is a Xerophytic plant ? [RRB Exam 2004]

  1. Mustard
  2. Amarbel
  3. Karil
  4. Neem

Q.4:- With what bioregion the term stepped associated ? [UPSC Exam 2015]

  1. Khana Park
  2. Sundar Ban
  3. Grass Land
  4. National Park

Q.5:- Van Mahotsav is associated with ? [SSC Exam 2011]

  1. Protection of plant
  2. Planting tree
  3. Increase in crop
  4. Cutting trees

Q.6:- The most important indoor air pollutant is ? [CgPCS Exam 2016]

  1. Sulphur Dioxide
  2. Carbon Dioxide
  3. Nitrogen Dioxide
  4. Radon Gas
  5. None of these

Q.7:- Which gas is responsible for global warming ? [Uttarakhand PCS Exam 2008]

  1. O2
  2. O2 and CO2
  3. CO2 and CH4
  4. CH4

Q.8:- Greenhouse effect is ? [Uttarakhand PCS (Pre) Exam 2008]

  1. Collection of greenhouse gases which rise the temperature of atmosphere
  2. Production of flower and vegetable in increased temperature
  3. Production of crop in glass house
  4. None of these
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Q.9:- Blood Group is discovered by ? [Uttarakhand PCS Exam 2008]

  1. Landsteiner
  2. Robert Koch
  3. William Harvey
  4. Louis Pasture

Q.10:- The reason of large-scale diversity among the organisms is ? [BPSC Exam 2015]

  1. Adaptation
  2. Cooperation
  3. Mutation
  4. Polyploidy

Q.11:- Development of the natural systems is described as ? [BPSC Exam 2011]

  1. Function of the system
  2. Evolution of the systems
  3. Self-sustained process of the system
  4. None of the above

Q.12:- Among the breeds of cows mentioned below which one is not indigenous ? [BSSC Exam 2015]

  1. Holstein-Friesian
  2. Gir
  3. Red-Sindhi
  4. Tharparkar

Q.13:- Bt seed is associated with ? [SSC Exam 2011]

  1. Rice
  2. Wheat
  3. Cotton
  4. Oil Seed

Q.14:- Phycology is the branch of botany in which we study about ? [SSC (LDC) Exam 2015]

  1. Algae
  2. Fungi
  3. Ecology
  4. Virus

Q.15:- In exobiology we study about ? [SSC Graduate Level Exam]

  1. External structure of living beings
  2. Life present on the earth
  3. Life present in the other layer of earth atmosphere
  4. Life found in space and on other satellite
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Q.16:- The confirmatory test for HIV virus causing AIDS is ? [SSC Stenographer Exam 2013]

  1. CDR Count
  2. Western Blot Test
  3. ELISA Test
  4. PCR

Q.17:- Which of the following is a free living bacteria that help in Nitrogen fixation ? [CDS Exam 2009]

  1. Azotobacter
  2. Anabaena
  3. Azolla
  4. Nostoc

Q.18:- AIDS Virus destroys ? [SSC Graduate Level Exam 2000]

  1. Single Stranded RNA
  2. Double Stranded RNA
  3. Single Stranded DNA
  4. Double Stranded DNA

Q.19:- Which of the following is used as bio-fertilizer in the production of crop paddy ? [IAS (Pre) Exam 2000]

  1. Blue Green Algae
  2. Rhizobium
  3. Fungi
  4. Azotobacter

Q.20:- Which of the following is categorized as millet ? [CDS Exam 2009]

  1. Wheat
  2. Rice
  3. Sorghum
  4. Maize

Q.21:- Potato is related with family ?

  1. Crucciferi
  2. Solanacea
  3. Graminee
  4. Composite

Q.22:- Canola refers to special type of oil seed mustard varieties bred for human consumption. The main characteristics of these varieties is that the ? [IAS (Pre) Exam 2000]

  1. Seed have very high oil content
  2. Oil is rich in unsaturated fatty acids
  3. Oil has long & shelf life
  4. Oil has very low erucic acid
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Q.23:- Root develop from any part of plant body except the radical ?

  1. Tap Root
  2. Adventitious Root
  3. Fibrous Root
  4. Tuberous Root

Q.24:- The edible part of garlic is ?

  1. Tunic
  2. Reduced Stem
  3. Fleshy Scales
  4. Base of in Florescence

Q.25:- Fertilization is a process in which ?

  1. A male gamete fuse with egg cell
  2. Transfer of pollen grains nuclei
  3. Fusion of male gamete with polar
  4. Formation of seed from ovule