Biology Selected Questions and Answers Set 17

February 13, 2019 entranciology Biology Selected Questions and Answers, Solved Questions and Answers Sets For Competitive Exams 0

Q.1:- Dalchini is obtained from which part of plant ?

  1. Leaves
  2. Stem
  3. Root
  4. Bark

Q.2:- Spice saffron is obtained from which part of pant ?

  1. Leaf
  2. Petal
  3. Sepal
  4. Stigma

Q.3:- The book Historia Plantarum is written by ?

  1. Aristotle
  2. Theophrastus
  3. Hippocrates
  4. Darwin

Q.4:- Natural system of classification is based on ?

  1. Ontogeny
  2. Phylogeny
  3. Morphology
  4. Phylogeny and Morphology

Q.5:- Hydrophytes are ?

  1. Aquatic Plant
  2. Plant Disease
  3. Rootless Plant
  4. Organism found in sea

Q.6:- Curd is sour due to presence of ? [BSSC Exam 2015]

  1. Citric Acid
  2. Lactic Acid
  3. Acetic Acid
  4. None of these

Q.7:- Nitrogen fixing bacteria is found in leguminous plant ?

  1. Azohacter
  2. Nitrobacter
  3. Rhizobium
  4. Psendomnas

Q.8:- Viruses are made up of ? [SSC Graduate Level Exam CGL 2002]

  1. Protein & Lipids
  2. Nucleic Acid & Protein
  3. Lipids & Carbohydrate
  4. Carbohydrate & Nucleic Acid
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Q.9:- The smallest organism, capable of autonomous growth and reproduction, is ? [BPSC Exams 2015]

  1. Virus
  2. Bacteria
  3. Mycoplasma
  4. Bacteriophage

Q.10:- Yeast is an important source of ?

  1. Vitamin C
  2. Vitamin B
  3. Vitamin A
  4. Vitamin D

Q.11:- The smallest prokaryotic organism is known ? [SSC (10+2) Exam 2014]

  1. Microcystis
  2. Mycoplasma
  3. Bacteria
  4. Chlorella

Q.12:- Dog bite can be cause rabies. Which among the following other animals can also cause rabies ? [CDS Exam 2011]

  1. Donkey
  2. Bat
  3. Horse
  4. Crocodile

Q.13:- Which one of the following is known as father of Taxonomy ?

  1. Mandel
  2. Linnaeus
  3. Khurana
  4. Angalar

Q.14:- Longest living tree is ? [40th BPSC Pre Exam 1995]

  1. Deodar
  2. Eucalyptus
  3. Sequoa
  4. Bamboo

Q.15:- Bamboo is classified as ? [RRB Exams Kolkata, 2009]

  1. Tree
  2. Grass
  3. Shrub
  4. Herb

Q.16:- Botanical name of Soyabean is ?

  1. Lathyrus Odratus
  2. Glycine Max
  3. Pisum Sativum
  4. Brassica Nigra
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Q.17:- Pnematophores are found in ?

  1. Xerophytic plant
  2. Climbing plant
  3. Mangrove plant
  4. Hydrophytes plant

Q.18:- A complete flower have ?

  1. Androecium and Gynoecium
  2. Sepal and Petal
  3. Both (A) and (B)
  4. Androecium, Gynoecium and Petal

Q.19:- Flower in which pollination takes place by insect their pollen grains are ? [SSC Graduate Level Exam 1999]

  1. Smooth and Dry
  2. Rough and Sticky
  3. Rough and Dry
  4. Large in Size

Q.20:- Which one of the following plant is preferred for mixed cropping in order to enhance the bioavailability of Nitrogen ? [CDS Exam 2009]

  1. Wheat
  2. Gram
  3. Maize
  4. Barley

Q.21:- Which one of the following is protein fiber ? [CDS Exam 2007]

  1. Nylon
  2. Polyester
  3. Silk
  4. Cotton

Q.22:- Water is conducted in vascular plant by ? [BPSC Exam 2011]

  1. Phloem Tissue
  2. Parenchyma Tissue
  3. Meristems
  4. Xylem Tissue
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Q.23:- Which one of the following is the example of subsistence farming ? [CDS Exam I 2014]

  1. Shifting Cultivation
  2. Commercial Farming
  3. Extensive and Intensive Farming
  4. Organic Farming

Q.24:- Condition in which rate of transpiration increases ?

  1. Low velocity of wind
  2. Low humidity and high temperature
  3. High humidity
  4. Excess amount of water in soil

Q.25:- Plant purify air during ?

  1. Photosynthesis
  2. Respiration
  3. Transpiration
  4. Desiccation

 

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