Life Process class 10 Chapter 6 Most Important MCQ Question and answers

Life Process class 10 Chapter 6 Most Important MCQ Question and answers

Life Process MCQ

Question:1 The Chlorophyll in photosynthesis is used for

  1. Absorbing light
  2. Breaking down water molecule
  3. No function
  4. Reduction of CO2

Question:2 Proteins after digestion are converted into

  1. Carbohydrates
  2. small globules
  3. Amino acids
  4. starch

Question:3 carbohydrates in the plants are stored in the form of

  1. Glycogen
  2. starch
  3. Glucose
  4. Maltose

Question:4 Main site of photosynthesis

  1. Leaf
  2. stem
  3. Chloroplast
  4. Guard cells

Question;5 The small pores present of leaf ‘s surface are called

  1. Stomata
  2. Chlorophyll
  3. Guard cells
  4. None of these

Question:6 Photosynthesis is a

  1. Catabolic process
  2. parabolic process
  3. Amphibolic process
  4. Photochemical process

Question:7 Opening and closing of pores is a function performed by

  1. Stomata
  2. Chlorophyll
  3. Chloroplast
  4. Guard cells

Question:8 which element is used in the synthesis of proteins?

  1. Hydrogen
  2. Oxygen
  3. Nitrogen
  4. Carbon dioxide

Question:9 Temporary finger like extensions on amoeba are called

  1. cell membrane
  2. cell wall
  3. Pseudopodia
  4. Cilia

Question:10 Bile juice is secreted by

  1. Stomach
  2. Pancreas
  3. small intestine
  4. liver

Question:11 which of these juices is secreted by pancreas?

  1. Trypsin
  2. Pepsin
  3. Bile juice
  4. Both I and II

Question:12 Lipase acts on

  1. Amino acids
  2. fats
  3. Carbohydrates
  4. all of the these

Question:13 Respiratory pigment in human body is

  1. Chlorophyll
  2. water
  3. blood
  4. Hemoglobin

Question:14 blood consist of what fluid medium?

  1. Lymph
  2. Platelets
  3. plasma
  4. all of these

Question:15 One cell-thick vessels are called

  1. Arteries
  2. veins
  3. capillaries
  4. Pulmonary artery

Question:16 Right part of the human heart contains

  1. Oxygenated blood
  2. mixed blood
  3. Deoxygenated blood
  4. No blood

Question:17 which life process converts chemical energy into heat energy?

  1. Nutrition
  2. Respiration
  3. Excretion
  4. Transpiration

Question:18 when carrying out the starch test on leaf why is it important to boil the leaf in alcohol?

  1. To dissolve the waxy cuticle
  2. To make the cells more permeable to iodine solution
  3. To remove the Chlorophyll
  4. To stop chemical reactions in the cells

Question:19 which of the following has the longest small intestine?

  1. Herbivore
  2. Carnivore
  3. Omnivore
  4. Autotroph

Question:20 which is the correct sequence of air passage during inhalation?

  1. Nostrils->Larynx pharynx->Trachea->Lungs
  2. Nasal passage -> Trachea-> pharynx-> Larynx-> Alveoli
  3. Larynx ->Nostrils ->Pharynx -> Lungs
  4. Nostrils -> Pharynx -> Larynx -> Trachea -> Alveoli

Question:21 The Contraction and expansion movement of the walls of the food pipe is called”

  1. Translocation
  2. Transpiration
  3. peristaltic movement
  4. Digestion

Question:22 when a few drops of iodine solution are added to rice water the solution turns blue, black in colour this indicates that rice water contains”

  1. fats
  2. complex proteins
  3. starch
  4. simple protein

Question:23 which of the following are energy foods?

  1. Carbohydrates and fats
  2. protein and mineral salts
  3. vitamins and minerals
  4. water and roughage

Question;24 In which mode of nutrition an organism de-rivers its food from the body of another living organism without killing it?

  1. Saprotrophic nutrition
  2. parasitic nutrition
  3. Holozoic nutrition
  4. Autotrophic nutrition

Question:25 the mode of nutrition found in fungi is”

  1. parasitic nutrition
  2. Holozoic nutrition
  3. Autotrophic nutrition
  4. Saprotrophic nutrition
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