Chapter 6 Life Processes MCQs for Class 10 Science
Here students can practice Chapter 6 Life Processes MCQs for Class 10 Science. All the MCQs are divided into several sub-pages. Each page has 40 MCQs, for the next page just scroll down and click on the buttons. Also you can practice Class 10 Science MCQs (Multiple Choice Questions) for other chapters.
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Q 1.: Amoeba ingests the food with the help of
(A) Oral opening
Q 2.: The liver stores food in the form of
Q 3.: Bile is secreted by
(B) Gastric gland
(C) Intestinal gland
Q 4.: Pepsin digests
(A) Proteins in stomach
(B)Fats in ileum
(C) Carbohydrates in duodenum
(D)Proteins in duodenum
Q 5.: The main respiratory substrate used in cells is
Q 6.: Blood that leaves tissues is rich in
(B) Carbon dioxide
(C) Amino acid
Q 7.: Vocal cords are present in
Q 8.: Water enters into root hairs due to
(A) Turgor pressure
(B) Osmotic pressure
(C) Atmospheric pressure
(D) Elastic pressure
Q 9.: During photosynthesis , the oxygen gas comes from:
(B) Both CO2 and H2O
(D) Oxygen via air
Q 10.: Pigment haemoglobin is present in
(C) Blood platelets
(D) Blood plasma
Q 11.: Urine produced in kidneys is stored temporarily in
(D) Urinary bladder
Q 12.: The component of blood responsible for transporting O2
(D) All of these
Q 13.: What is correct about human kidney
(A) It is cylindrical
(B) It has 1000 nephrons
(C) It is bean-shaped
(D) Each kidney has two ureters
Q 14.: Tannins are
(A) Aromatic compounds
(B) Secondary metabolites
(C) Primary metabolites
(D) (a) and (b)
Q 15.: Concentration of urine depends upon the presence of
Q 16.: The process of separation of amino acids into amino group and carboxyl group is called
Q 17.: The main function of lymph nodes in human body is to
(A) Destroy old and worn out RBCs
(B) Produce a hormone
(C) Produce WBCs
(D) Collect and destroy pathogens entering body
Q 18.: Light reaction of photosynthesis takes place in
(A) Stroma of chloroplast
(B) Grana of chloroplast
Q 19.: Dark reaction in photosynthesis is called so because
(A) It doesn’t require light energy
(B) It occurs more than rapidly in night
(C) It can also occur in darkness
(D) It can’t occur during daytime
Q 20.: Vermiform appendix is a part of
(A) Alimentary canal
(B) Nervous system
(C) Vascular system
(D) Reproductive system
Q 21.: Which part of alimentary canal of man does not secrete any enzyme?
Q 22.: The common phase between aerobic and anaerobic respiration is called
(B) Krebs cycle
(C) Tricarboxylic acid cycle
(D) None of these
Q 23.: The autotrophic mode of nutrition requires
(A) CO2 and H2O
(D) All of these
Q 24.: Emulsification of fat is carried out by
(A) Gastric juice
(B) Bile juice
(C) Intestinal juice
(D)All of these
Q 25.: The structure which prevents the entry of food into respiratory tract is
Q 27.: Phagocytosis is carried out by
(D) All of these
Q 28.: Under normal conditions which one is completely reabsorbed in the renal tubules?
(B) Uric acid
Q 29.: In which of the following groups organisms,food materials are broken down outside the body and absorbed?
(B) Yeast,Mushroom,Bread mould
Q 30.:The contraction and expansion movement of the walls of the food pipe is called:
(C) Peristaltic movement
Q 31.: 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:
(B) Complex proteins
(D) Simple proteins
Q 32.: The respiratory pigment in human being is:
Q 33.: Which of the following is the important characteristic of Emphysema?
(A) Destruction of the alveolar wall and air sacs in the lungs are damaged.
(B) Increase in the growth of the lung tissue.
(C) Inflammation in the wall of bronchi.
(D) Thickening of the artery walls of the lungs.
Q 34.: The opening and closing of the stomatal pore depends upon
(C) Water in the guard cells
(D) Concentration of CO2
Q 35.: How is this process advantages for Amoeba?
(A) Capturing of food takes less time
(B) Complex food can be digested easily
(C) More amount of food can be consumed
(D) Fast distribution of nutrition within the body
Q 36.: A plant gets rid of excess water through transpiration. Which is a method used by plants to get rid of solid waste products?
(A) Shortening of stem
(B) Dropping down of fruits
(C) Shedding of yellow leaves
(D) Expansion of roots into the soil
Q 37.: Chemical present in tobacco smoke lead to the breakdown of the elastic tissue in the alveoli. Name this specific condition.
(D) Lung cancer
Q 38.: Digestion of food starts from which organ of the human digestive system?
(A) Mouth due to the presence of saliva
(B) Oesophagus that moves the food in gut
(C) That releases juices for fat breakdown
(D) Which helps in mixing food with digestive juices
Q 39.: What is the importance of the labelled part in the excretory system?
(A) It produces urine.
(B) It filters waste from the blood.
(C) It stores the urine till urination.
(D) It carries urine from the kidney to the outside.
Q 40.: What is percentage of the oxygen in the expired air when a person is resting ?
We hope that these Chapter 6 Life Processes MCQs for Class 10 Science helped you in learning new concepts. All questions are based on NCERT syllabus and some of them have been asked in various competitive exams. You can go to the next pages to practice more for Chapter 6 Life Processes MCQs for Class 10 Science, click on the question range given above.
Also you can practice Class 10 Science MCQs (Multiple Choice Questions) for other chapters.