Biology Selected Questions and Answers Set 14

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Q.1:- Insects that can transmit diseases to human are referred to as ?

  1. Carriers
  2. Reservoirs
  3. Vectors
  4. Incubators

Q.2:- Which of the following mineral is essential for controlling heat beat ?

  1. Sodium
  2. Sulphur
  3. Bromine
  4. Iodine

Q.3:- Outer coating of a capsule is made up of ?

  1. Protein
  2. Calcium Carbonate
  3. Cellulose
  4. Starch

Q.4:- Respiration occur in fishes through ?

  1. Lung
  2. Gill
  3. Nostril
  4. Scales

Q.5:- Sea Horse is the example of Phylum ?

  1. Fishes
  2. Mammal
  3. Reptile
  4. Mollusca

Q.6:- How many pairs of heart an earthwork have ?

  1. One
  2. Two
  3. Three
  4. Four

Q.7:- Which of the following is not useful for manking ?

  1. Honey Bee
  2. Earthworm
  3. Tape Worm
  4. Silkworm

Q.8:- Poison in Scorpion is found in ?

  1. Mouth
  2. Leg
  3. Hand
  4. Telson

Q.9:- Which one of the following animals belongs to Mollusca ?

  1. Hyla
  2. Haliotis
  3. Hydra
  4. Hare

Q.10:- Restriction enzyme was discovered by ?

  1. Smith and Nathans
  2. Berger
  3. Waksman
  4. Fleming

Q.11:- The enzyme that are used as molecular scissors to cut DNA at specific sites for various purposes in genetic engineering ?

  1. DNA Ligases
  2. DNA Polymerases
  3. Restriction Endonucleases
  4. Restriction Exonu Leases

Q.12:- The smallest prokaryotic organism known ?

  1. Microcyostis
  2. Mycoplasm
  3. Bacteria
  4. Chlorolla

Q.13:- Leucoplast found in mainly ?

  1. Cells of root
  2. Cells of stem
  3. Cells of leaf
  4. Cells of flower
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Q.14:- Plant cells are generally without ?

  1. Ribosomes
  2. Plastids
  3. Lysosomes
  4. Vacuole

Q.15:- Nucleoid is present in ?

  1. Procaryotes
  2. Protozoa
  3. Green Algae
  4. None of these

Q.16:- Which organelle in the cell, other than nucleus, contains DNA ?

  1. Endoplasmic Reticulum
  2. Golgi Apparatus
  3. Lysosome
  4. Mitochondria

Q.17:- Name the tiny pores present on the surface of leaves in plants ?

  1. Hydathodes
  2. Stomata
  3. Trichomes
  4. Pits

Q.18:- Aerenchyma tissues are found in ?

  1. Mesophyte
  2. Perophytes
  3. Lithophytes
  4. Hydrophytes

Q.19:- Microorganism are found in ?

  1. Salted Water
  2. Sandy Soil
  3. Marshy Soil
  4. All Above

Q.20:- Coralloids are found in ?

  1. Cycus
  2. Lycopodium
  3. Selaginella
  4. Cocus

Q.21:- Which of the following animals breathes through the skin ?

  1. Fish
  2. Pigeon
  3. Frog
  4. Cockroach

Q.22:- Dr. Norman E. Borlaug belonged to ?

  1. Spain
  2. Mexico
  3. America
  4. Austria

Q.23:- India produces the maximum amount of ?

  1. Potato
  2. Sweet Potato
  3. Tea
  4. Corn

Q.24:- Which of the following crop enrich the soil with Nitrogen ?

  1. Potato
  2. Sorgum
  3. Sunflower
  4. Pea

Q.25:- Tap root commonly occur in ?

  1. Dicotyledons
  2. Monocotyledons
  3. Angiosperm
  4. Grass

 

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