Biology (Botany, Zoology, Nutrition, Health, Agriculture, Ecology and Environment) : All SSC Exams Previous Years Questions Papers Solved Part 37

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Q.1:- The chemicals released by one species of animals in order to attract the other members of the same species are ?

  1. Hormones
  2. Nucleic Acids
  3. Pheromones
  4. Steroids

Q.2:- The toxicity of which of the following heavy metals leads to liver cirrbosis ?

  1. Copper
  2. Lead
  3. Mercury
  4. Zinc

Q.3:- For a healthy heart, one needs to take a balanced diet, adequate sleep and ?

  1. Indulge in vigorous mental activities
  2. Play games like carom, chess and cards
  3. Do right amount of physical exercise
  4. Do sedentary work

Q.4:- In a food, the solar energy utilized by plants is only ?

  1. 10 percent
  2. 1 percent
  3. 1 percent
  4. 01 percent

Q.5:- A large amount of identical plants can be obtained in a short span of time through ?

  1. Large number of seeds of a single plant
  2. Stem cuttings
  3. Tissue culture technique
  4. Hydroponics method

Q.6:- Saliva helps in the digestion of ?

  1. Fats
  2. Starch
  3. Proteins
  4. Vitamins

Q.7:- The dried flower buds are used as a spice in ?

  1. Cardamom
  2. Cinnamon
  3. Cloves
  4. Saffron

Q.8:- The number of heart beats on an average in an adult human is in the range of ?

  1. 60-65
  2. 66-70
  3. 71-80
  4. 85-90

Q.9:- The element which is rich in most leafy vegetables is ?

  1. Phosphorous
  2. Zinc
  3. Iron
  4. Calcium

Q.10:- Why death of fish is more common during summer than in winter ?

  1. Shortage of food
  2. Concentration of toxins
  3. Depletion of Oxygen
  4. Spread of diseases

Q.11:- Human beings have two ears because two ears help ?

  1. To judge the direction of sound
  2. To hear even a feeble sound
  3. To enjoy music better
  4. To distinguish between two kinds of sounds arriving at the ears in opposite directions

Q.12:- Normal blood pressure of man is ?

  1. 80 / 120 mm Hg
  2. 90 / 140 mm Hg
  3. 120 / 160 mm Hg
  4. 85 / 120 mm Hg

Q.13:- High level of Uric Acid in the blood causes ?

  1. Arthritis
  2. Gout
  3. Rheumatism
  4. Asthma

Q.14:- The membrane covering the lungs is a ?

  1. Pleura
  2. Pericardium
  3. Peritoneum
  4. Mesothelium

Q.15:- In digestion, proteins are converted into ?

  1. Fatty acids
  2. Glucose
  3. Amino Acids
  4. Maltose
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Q.16:- Which of these produces energy ?

  1. Carbohydrates
  2. Proteins
  3. Vitamins
  4. Mineral Salts

Q.17:- The floral part that produces pollen grains is ?

  1. Sepal
  2. Petal
  3. Anther
  4. Ovary

Q.18:- Which of these is a modified underground stem ?

  1. Radish
  2. Carrot
  3. Sweet Potato
  4. Potato

Q.19:- The function of Trypsin is to ?

  1. Break down fats
  2. Synthesize proteins
  3. Break down proteins
  4. Break down Carbohydrates

Q.20:- Which of these joints is a Hinge Joint ?

  1. Hip
  2. Elbow
  3. Shoulder
  4. Wrist

Q.21:- Which virus from the following combinations is contagious for human beings ?

  1. H5N1
  2. H1N5
  3. H2N3
  4. H4N2

Q.22:- Which cells in our body have the least regenerative power ?

  1. Brain cells
  2. Muscle cells
  3. Bone cells
  4. Liver cells

Q.23:- A person having AB-Group of blood can donate blood to a person having ?

  1. A group
  2. B group
  3. AB group
  4. O group

Q.24:- Minamata disease was caused by ?

  1. Mercury
  2. Lead
  3. Cadmium
  4. Zinc

Q.25:- Which one of the following is an extinct animal ?

  1. Passenger pigeon
  2. Mountain quail
  3. Pink headed duck
  4. Ibis

 

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