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life processes class 10 notes :- (Biology) Dear friends, if you are preparing for class Xth. And if you want to prepare Objective Questions of all the subjects of Science in a better way, then all the important Objective Question Answers of the life process class 10 Chapter of Biology are given here, which you can read and memorize and download its PDF. And at the same time, if you want to download Chapter Wise Objective Questions PDF of all other subjects of 10th class, then you can directly connect with my website DLS Education Official. life process class 10 notes (Biology) class 10 life process notes Question 2024 |
life process class 10 notes
1. In which pseudopod is found? (2016)
(A) Paramecium
(B) Euglena
(C) Amoeba
(D) none of these
(C) Amoeba
2. Photosynthesis takes place – (2015C)
(A) at night
(B) in the day
(C) night and day
(D) morning evening
(C) night and day
3. The color of chlorophyll pigment is- (2015A,17C)
(A) green
(B) blue
(C) Red
(D) White
(A) green
4. A disease caused by deficiency of iron in the blood is- (2014C)
(A) T.B.
(B) diabetes
(C) Anemia
(D) high blood pressure
(C) Anemia
5. Which is the method of nutrition in fungi?(2014A,2019
(A) Autotrophic
(B) dead
(C) omnivore
(D) none of these
(B) dead
6. Oxygen is-(2021A)
(A) fat
(B) Enzyme
(C) hormones
(D) carbohydrates
(C) hormones
7. Kidney in humans is related to? (2013C,2020A)
(A) nutrition
(B) Respiration
(C) Emission
(D) Transport
(D) Transport
8. Essential for autotrophic nutrition- (2013C,2019A,2021A)
(A) CO2
(B) Chlorophyll
(C) Sunlight
(D) all
(D) all
9. Oxygen is released in the process of photosynthesis- (2013A)
(A) water
(B) CO2
(C) Glucose
(D) From Dictio Jom
(A) water
10. Magnesium is found in- 2021A)
(A) Chlorophyll
(B) in red blood cells
(C) in choroid plexus
(D) in white blood cell
(A) Chlorophyll
11. The main excretory organ in humans is- (2016A, 2020A)
(A) blood
(B) sweat gland
(C) kidney
(D) Pancreatic
(C) kidney
12. Amoeba captures its food by what (2019 C, 2020 A)
(A) tangent
(B) codeine
(C) Protozoa
(D) none of these
(B) codeine
13. Which of the following is malarial parasite? (2019A)
(A) Plasmodium
(B) Leishmania
(C) Protozoa
(D) none of these
(A) Plasmodium
14. Which of the following is the site of complete digestion of carbohydrates, proteins and fats? (2018C)
(A) Stomach
(B) liver
(C) Small intestine (small intestine)
(D) large intestine (colon)
(C) छोटी आँत (क्षुद्रांत्र)
15. Open circulatory system is found (2015A)
(A) In humans (male)
(B) horse
(C) Cockroach
(D) Female
(C) Cockroach
16. Which hormone controls the metabolism of carbohydrates, proteins and fats in our body? (2018C)
(A) Insulin
(B) Thyroxine
(C) Testosterone
(D) estrogen
(B) Thyroxine
17. Blood appears red due to the presence of which of the following? (2019C)
(A) thrombin
(B) Fibrin
(C) Hemoglobin
(D) serum
(C) Hemoglobin
18. Where is bile juice secreted : (2019 A)
(A) Pancreatic
(B) liver
(C) small intestine
(D) none of these
(B) liver
19. The systolic and diastolic pressure in a clean person is- (2019A)
(A) 120/80
(B) 80/120
(C) 80/100
(D) 72/80
(A) 120/80
20. By which primary tissue does the nerve fiber originate? (2011C)
(A) Ectoderm
(B) Mesoderm
(C) Endoderm
(D) any of these
(C) Endoderm
21. The kidney in man is a part of a system that is related to- (2012A)
(A) nutrition
(B) Respiration
(C) emissions
(D) Transport
(C) emissions
22. Xylem is responsible in plants-(2018)
(A) Conveyance of water
(B) Carriage of food
(C) transport of amino acids
(D) transport of oxygen
(C) transport of amino acids
23. Necessary for autotrophic nutrition- (2015A, 2016A)
(A) Carbon dioxide and water
(B) Chlorophyll
(C) Sunlight
(D. ALL OF THE ABOVE
(D. ALL OF THE ABOVE
24. On the breakdown of pyruvate it gives carbon dioxide, water and energy and this action is- (2012A)
(A) in the cytoplasm
(B) in mitochondria
(C) in chlorophyll
(D) in the nucleus
(B) in mitochondria
25. Self nutrition takes place – (2021A)
(A) Fungi
(B) green plants
(C) animals
(D) All living beings
(B) green plants
class 10 life process notes
26. Which of the following process takes place in setting of curd? (2015)
(A) decomposition
(B) Photosynthesis
(C) Fermentation
(D) emissions
(C) Fermentation
27. Which does not act as an endocrine and exocrine gland? (2019A)
(A) Pancreatic
(B) Pituitary gland
(C) ovary
(D) testes
(B) Pituitary gland
28. Those plants which depend on rotten things for nutrition, what are they called?
(A) parasite
(B) dead
(C) Autotrophic
(D) host
(B) dead
29. Which of the following is a growth hormone found in plants? (2019A)
(A) Gibberellin
(B) Adrenaline
(C) Insulin
(D) Thyroxine
(A) Gibberellin
30. What is obtained by photosynthesis? (2011C)
(A) fat
(B) Protein
(C) Glucose
(D) Prakash
(C) Glucose
31. The longest part of human alimentary canal is : (2017C,2021A)
(A) Pharynx
(B) Stomach
(C) small intestine
(D) esophagus
(D) esophagus
32. Which of the following is known as the ‘energy currency’ of the cell? (2021A)
(A) A.D.P.
(B) ATP
(C) DTP
(D) PDP
(B) ATP
33. Where does the exchange of gases take place in the leaves? (2018A.2020A)
(A) Vein
(B) stomata
(C) midrib
(D) none of these
(B) stomata
34. Blood (blood) is pumped from the heart to the whole body (2018A)
(A) by lungs
(B) by ventricle
(C) by atria
(D) all of these
(B) by ventricle
35. Which of the following instruments is used to measure blood pressure? (2018A)
(A) Barometer
(B) Manomeet
(C) Sphygno meter
(D) none of these
(C) Sphygno meter
36. Which component of the blood blocks the path of bleeding from the injured site by forming a blood clot? (2018A)
(A) Red blood cells (R.B.C.)
(B) White blood cells (W.B.C)
(C) Platelets
(D) lymph
(C) Platelets
37. Before adding iodine to a green leaf for starch test, the leaf is boiled in alcohol : (2018A)
(A) To dissolve starch
(B) to dissolve chlorophyll
(C) To soften the leaf
(D) all of these
(B) to dissolve chlorophyll
38. The slide is first viewed under the compound microscope: (2018A)
(A) at 5X
(B) at 10X
(C) at 25X
(D) at 45X
(B) at 10X
39. Through which organ do fishes respire? (2020A)
(A) Lung
(B) skin
(C) Gilles
(D) from trachea
(C) Gilles
40. Why are plants green? (2021A)
(A) due to stomata
(C) due to stomata
(B) due to chlorophyll
(D) due to salt
(C) due to stomata
41. Which component of blood helps in stopping bleeding? (2019A)
(A) lymph
(B) Plasma
(C) Platelets
(D) none of these
(C) Platelets
42. What is the structural and functional unit of kidney? (2020A)
(A) cell
(B) respiratory organ
(C) nephron
(D) blood pressure
(C) nephron
43. From which gland does saliva come out? (2020A)
(A) Adrenal
(B) Pituitary
(C) Saliva
(D) none of these
(C) Saliva
44. The final product of respiration is (2018C,2021A)
(A) CO and H2O
(B) CO2 and energy
(C) H20 and energy
(D) CO2 , H2O and energy
(D) CO2 , H2O and energy
45. What is the number of chambers in the human heart? (2019A,2021A)
(A) 2
(B) 3
(C) 4
(D) 5
(C) 4
46. Regulates the opening and closing of stomata (2019C)
(A) gate cells
(B) companion cells
(C) sieve tubes
(D) Original Rome
(A) gate cells
47. Which enzyme acts on fat? (2021A)
(A) Pepsin
(B) Trypsin
(C) Lipase
(D) Amylase
(C) Lipase
48. Which type of respiration releases more energy? (2020A)
(A) pneumatic
(B) anaerobic
(C) both (A) and (B)
(D) none of these
(A) pneumatic
49. What is found in Hydra? (2020A)
(A) brain
(B) nerve
(C) face
(D) Tangent
(D) Tangent
50. The mode of nutrition in green plants is called
(a) Animal synchronous nutrition
(b) parenting
(c) Self nutrition
(d) none of these
(c) Self nutrition