Biology Selected Questions and Answers Set 25

Q.1:- Which one of the following crop combination is not adopted in mixed cropping in India ? [SSC (LDC) Exam 2013]

  1. Wheat and Mustard
  2. Wheat and Chick Pea
  3. Rice and Ground Nut
  4. Ground Nut and Sun Flower

Q.2:- The cell wall of Xylem cells is rich in ?

  1. Lipid
  2. Protein
  3. Lignin
  4. Starch

Q.3:- The corner of the cells of collenchyma tissue in plant are thickened due to deposition of ? [NDA Exam 2005]

  1. Lignin and Suberin
  2. Suberin and Cutin
  3. Cellulose and Pectin
  4. Chitin and Lignin

Q.4:- Which of the following is used as rodenticide ? [SSC Exam 2014]

  1. Zinc Phosphide
  2. Zinc Carbonate
  3. Zinc Chloride
  4. Zinc Sulphide

Q.5:- White bud in maize indicates acute deficiency of ?

  1. Sulphur
  2. Potassium
  3. Zinc
  4. Manganese

Q.6:- Ornithology is the study of ?

  1. Mammal
  2. Birds
  3. Fishes
  4. Bat

Q.7:- Branch of science which deal with the study of various aspects of different races of mankind ?

  1. Eugenics
  2. Euthenius
  3. Ethnology
  4. Palaeontology
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Q.8:- Study of effect of radiation on plant and animal is ?

  1. Pathology
  2. Etiology
  3. Radiobiology
  4. Cosmology

Q.9:- Study of lizards is called ?

  1. Saurology
  2. Serpentology
  3. Serology
  4. None of the above

Q.10:- Golden view of sea shell is due to ? [UPSC Exam 2015]

  1. Reflection
  2. Refraction
  3. Polarization
  4. Internal Reflection

Q.11:- Life cycle of plasmodium in mosquito was discovered by ?

  1. Louis Pasture
  2. Ronald Ross
  3. Charles Darwin
  4. Mendel

Q.12:- Which of the following have no blood but they respire ?

  1. Cockroach
  2. Earthworm
  3. Hydra
  4. Kangaroo

Q.13:- Octopus comes under phylum ? [IAS (Pre) Exam 2003]

  1. Arthropoda
  2. Hemichordata
  3. Mollusca
  4. Echinodermata

Q.14:- Number of eyes found in earthworm ? [SSC Mat Exam 1999]

  1. One
  2. Two
  3. Many
  4. No Eye

Q.15:- The pigment found in the blood of earthworm is ?

  1. Hemocyanin
  2. Hematine
  3. Haemoglobin
  4. Cyanine
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Q.16:- 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.17:- Round Worm comes under phylum ?

  1. Annelid
  2. Nemathelminthes
  3. Platyhelminthes
  4. Arthropoda

Q.18:- Larva of house fly called ? [IAS (Pre) Exam 2000]

  1. Pupa
  2. Imago
  3. Magote
  4. None of the above

Q.19:- Fishes die out of water because ? [39th BPSC (Pre) Exam 1994]

  1. They get more Oxygen
  2. Temperature of body increased
  3. They cannot respire
  4. They cannot walk in water

Q.20:- Insects have ?

  1. Three pair of legs
  2. Four pair of legs
  3. Five pair of legs
  4. None of the above

Q.21:- The snake who make their nest ? [IAS (Pre) Exam 1995]

  1. Chain Viper
  2. King Cobra
  3. Krait
  4. Shaw Scaled Viper

Q.22:- Among the following animals choose the one having three pair of legs ? [CDS Exam 2014]

  1. Spider
  2. Scorpion
  3. Bug
  4. Mite
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Q.23:- Pheromones is found in ? [RAS / RTS (Pre) Exam 2008]

  1. Insect
  2. Snake
  3. Birds
  4. Bat

Q.24:- In which one of the following animals, skin is a respiratory organ ? [NDA Exam 2008]

  1. Cockroach
  2. Frog
  3. Spark
  4. Whale

Q.25:- Which of the following is a female sex hormone ? [SSC Graduate Level Exam 2000]

  1. Estrogen
  2. Androgen
  3. Auxin
  4. Insulin