Read and download free pdf of CBSE Class 10 Biology Life Processes Worksheet Set A. Students and teachers of Class 10 Biology can get free printable Worksheets for Class 10 Biology in PDF format prepared as per the latest syllabus and examination pattern in your schools. Standard 10 students should practice questions and answers given here for Biology in Grade 10 which will help them to improve your knowledge of all important chapters and its topics. Students should also download free pdf of Class 10 Biology Worksheets prepared by school teachers as per the latest NCERT, CBSE, KVS books and syllabus issued this academic year and solve important problems provided here with solutions on daily basis to get more score in school exams and tests
Life Processes Class 10 Biology Worksheet Pdf
Class 10 Biology students should refer to the following printable worksheet in Pdf for Life Processes in standard 10. This test paper with questions and answers for Grade 10 Biology will be very useful for exams and help you to score good marks
Class 10 Biology Worksheet for Life Processes
CBSE Class 10 Biology - Life Process (1)
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1.What is the role of following in digestion?
a)Trypsin, b) HCL C)Bile D ) Intestinal Juice
2. Name the type of respiration in which the end products are
A) Ethyl Alcohol ( B) CO2 and H2O ( C ) Lactic Acid
Give one example of each case where such respiration can occur.
3.Name the substances present in gastric juice. Explain their function.
4.Why does raw bread taste sweet after chewing in the mouth?
5.Where is bile secreted from? What is its function?
6. Give one word for
(A ) getting rid of undigested waste from body ( B) movement of food molecules into blood
7. Where do you find stomata and lenticels.
9. Food moves down the gut by peristaltic movement. Which part of the brain controls this movement?
10. Which of the four chambers in the human heart have thickest muscular walls?
11.Why it is not advisable to give excess water to water plants ?
12.Which of the organs performs the following functions in humans?
( a) Absorption of food ( b) Absorption of water
13. Write one feature which is common to each of the following
(b)Where do the substances in plants reach as a result of translocation?
Ans. (a)Translocation is the process of movement of materials from leaves to all other parts of the plant body.
(b)As a result of translocation, the substances in plants reach to the storage organs of roots, fruits and seeds and to growing organs.
Question. Explain the three pathways of breakdown of glucose in living organisms.
In the very first stage the Glucose which is a 6-carbon molecule is breaks into pyruvate which is a 3-carbon molecule in the cytoplasm. After that they are broken down by three different pathways to release energy.
(i)In the absence of oxygen in Yeast.
(ii)In the lack of oxygen in human muscle
(iii)In the presence of oxygen in mitochondria.
(c) Uric acid
Ans. Correct option (a)
Ans. Correct option (b)
Question. (i)Draw a diagram of an excretory unit of a human kidney and label the following:
Bowman’s capsule, Glomerulus, Collecting duct, renal artery
(ii)Write the important function of the structural and functional unit of kidney.
(iii)Write any one function of an artificial kidney.
(ii) Function of nephron is filtration, re-absorption and secretion.
(iii) Function of artificial kidney:
Help to remove harmful wastes, extra salts and water. It controls blood pressure. Maintain the balance of sodium, potassium salts in a patient whose kidneys have failed.
(a)120/80mm of Hg
(b)160/80mm of Hg
(c)120/60mm of Hg
(d)180/80mm of Hg
Ans. Correct option(a)
(a) Drains excess fluid from extracellular space back into the blood
(b) Carries digested and absorbed fat from intestine
(c) Circulates around the body and help in clotting of blood
(d)Both (a) and (b)
Ans. Correct option (d)
Ans. The separation keeps oxygenated and deoxygenated blood from mixing allowing a highly efficient supply of oxygen to the body. This is useful in animals that have high energy needs which constantly use energy to maintain their body temperature.
Ans.(i)Blood circulatory system (ii)Lymphatic system
Function of blood circulatory
(i)Transport of oxygen (ii)Transport of digested food (iii)Transport of carbon dioxide
(iv)Transport of nitrogenous waste (v)Transport of salts
Functions of lymphatic system
(i)Carries digested and absorbed fat.
(ii)Drains extra fluid from tissue back into the blood.
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