Read and download free pdf of CBSE Class 10 Biology Life Processes Nutrition Worksheet Set B. Download printable Science Class 10 Worksheets in pdf format, CBSE Class 10 Science Chapter 6 Life Processes Worksheet has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Science Class 10 Assignments and practice them daily to get better marks in tests and exams for Class 10. Free chapter wise worksheets with answers have been designed by Class 10 teachers as per latest examination pattern
Chapter 6 Life Processes Science Worksheet for Class 10
Class 10 Science students should refer to the following printable worksheet in Pdf in Class 10. This test paper with questions and solutions for Class 10 Science will be very useful for tests and exams and help you to score better marks
Class 10 Science Chapter 6 Life Processes Worksheet Pdf
Assertion and Reason Type MCQs :
Following questions consists of two statements – Assertion (A) and Reason (R). Answer these questions selecting the appropriate option given below:
A. Both assertion and reason are true, and reason is the correct explanation of assertion.
B. Both assertion and reason are true, but reason is not the correct explanation of assertion.
C. Assertion is true but reason is false.
D. Assertion is false and reason is true.
Question. Assertion : mammals and birds have four chambered heart .
Reason : mammals and birds are warm blooded.
Answer: A
Question. Assertion : the left atrium and left ventricle are completely separated from theright atrium and the right ventricle.
Reason : oxygenated and deoxygenated blood never mix with each other inside the heart.
Answer: A
Question. Assertion : a mammal has double circulation .
Reason : higher energy need due to endothermy.
Answer: A
Question. Assertion : Chyme is the food which enters into the intestine from stomach.
Reason : Chyme is acidic in nature.
Answer: A
Question. Assertion : kidneys perform a dual function in our body.
Reason: selective reabsorption occurs in the glomerulus.
Answer: C
Question. Assertion: At high altitudes the pressure of oxygen falls, inside lungs.
Reason: Oxygen is absorbed very quickly from alveoli to increase breathing.
Answer: A
Question. Assertion : arteries always carry oxygenated blood.
Reason: arteries transport blood from the heart to different parts of the body.
Answer: A
Question. Assertion: Tracheal cartilage is present in the throat.
Reason: The larynx plays an important role in human speech.
Answer: B
Question. Assertion : Anaerobic respiration requires more energy as compared to aerobic respiration.
Reason : Mitochondria is the power house of the cell.
Answer: D
IV. Blood transport food, Oxygen and waste materials in our bodies. It consists of plasma as a fluid medium. A pumping organ [heart]is required to push the blood around the body.The blood flow through the chambers of heart in a specific manner and direction .While flowing throughout the body, blood exert a pressure against the wall or a vessel.
Question. Which of the following statements are true about human heart ?
A.It is a hollow muscular organ
B. It is four chambered having three auricles and one ventricle.
C. It has different chambers to prevent Oxygen rich blood from mixing with the blood containing Carbondioxide
D. BOTH A & C
Answer: D
Question. Study the table below and select the row that has correct information .
BODY FLUID | CONTENTS |
A. Blood | plasma + RBC+ WBC+platelets |
B. Plasma | Blood -- RBC |
C. Lymph | Plasma +RBC |
D. Serum | Plasma + RBC +WBC |
Answer: A
Question. Oxygenated blood from lungs enters left atrium through
A. vena cava
B. pulmonary artery
C. pulmonary vein
D. Aorta
Answer: C
Question. The rate of blood flow in the capillaries is very low because capillaries are
A. very narrow and have high resistance
B. Much wide and have low resistance
C. Very narrow and have low resistance
D. Much wide and have high resistance
Answer: A
II. Our body needs to remove the wastes that build up from cell activities and from digestion . If these wastes are not removed , then our cells can stop working and we can get very sick.The organs of excretory system consists of a pair of kidneys, a pair of ureters , a urinary bladder and a urethra.Each kidney is made up of nearly one million complex tubular structures called nephrons. The formation of urine involves various processes that takes place in the different parts of the nephrons. Each nephron consists of a cup- shaped upper end called Bowman’s capsule containing a bunch of capillaries called glomerulus. Bowman’s capsule leads to tubular structure,proximal convoluted tubule,loop of Henle and distal convoluted tubule which ultimately joins the collecting tubule.
Question. The out line of principal events of urination is given below in random order.
I) stretch receptors on the wall of urinary bladder send signals to the CNS.
II) The bladder fills with urine and become distended.
III) Micturition
IV) CNS passes on motor messages to initiate the contraction of smooth muscles of bladder and simultaneous relaxation of urethral sphincter. The correct sequence of the events is
A. I → II → III→ IV
B. IV → III → II→ I
C. II → I→ IV → III
D. III → II→ I→ IV
Answer: C
Question. Urine formation occurs through
A. Ultrafiltration,reabsorption,secretion and osmosis.
B. secretion,osmosis,ultrafiltration and reabsorption.
C. only filtration and absorption .
D. only osmosis and secretion.
Answer: A
Question. The following substances are the excretory products in animals. Choose the least toxic form.
A. Urea
B.Uric acid
C. Ammonia
D. Carbondioxide
Answer: B
Question. Glomerular filtrate is first collected by
A. Distal convoluted tubule
B. proximal convoluted tubule
C. Bowman’s capsule
D. loop of Henle
Answer: C
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Chapter 6 Life Processes CBSE Class 10 Science Worksheet
The above practice worksheet for Chapter 6 Life Processes has been designed as per the current syllabus for Class 10 Science released by CBSE. Students studying in Class 10 can easily download in Pdf format and practice the questions and answers given in the above practice worksheet for Class 10 Science on a daily basis. All the latest practice worksheets with solutions have been developed for Science by referring to the most important and regularly asked topics that the students should learn and practice to get better scores in their examinations. Studiestoday is the best portal for Printable Worksheets for Class 10 Science students to get all the latest study material free of cost. Teachers of studiestoday have referred to the NCERT book for Class 10 Science to develop the Science Class 10 worksheet. After solving the questions given in the practice sheet which have been developed as per the latest course books also refer to the NCERT solutions for Class 10 Science designed by our teachers. After solving these you should also refer to Class 10 Science MCQ Test for the same chapter. We have also provided a lot of other Worksheets for Class 10 Science which you can use to further make yourself better in Science.
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