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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

2. Photosynthesis takes place – (2015C)

(A) at night

(B) in the day

(C) night and day

(D) morning evening

3. The color of chlorophyll pigment is- (2015A,17C)

(A) green

(B) blue

(C) Red

(D) White

4. A disease caused by deficiency of iron in the blood is- (2014C)

(A) T.B.

(B) diabetes

(C) Anemia

(D) high blood pressure

5. Which is the method of nutrition in fungi?(2014A,2019

(A) Autotrophic

(B) dead

(C) omnivore

(D) none of these

6. Oxygen is-(2021A)

(A) fat
(B) Enzyme
(C) hormones
(D) carbohydrates

7. Kidney in humans is related to? (2013C,2020A)

(A) nutrition
(B) Respiration
(C) Emission
(D) Transport

8. Essential for autotrophic nutrition- (2013C,2019A,2021A)

(A) CO₂
(B) Chlorophyll
(C) Sunlight
(D) all

9. Oxygen is released in the process of photosynthesis- (2013A)

(A) water
(B) CO2
(C) Glucose
(D) From Dictio Jom

10. Magnesium is found in- 2021A)

(A) Chlorophyll
(B) in red blood cells
(C) in choroid plexus
(D) in white blood cell

11. The main excretory organ in humans is- (2016A, 2020A)

(A) blood
(B) sweat gland
(C) kidney
(D) Pancreatic

12. Amoeba captures its food by what (2019 C, 2020 A)

(A) tangent
(B) codeine
(C) Protozoa
(D) none of these

13. Which of the following is malarial parasite? (2019A)

(A) Plasmodium
(B) Leishmania
(C) Protozoa
(D) none of these

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)

15. Open circulatory system is found (2015A)

(A) In humans (male)
(B) horse
(C) Cockroach
(D) Female

16. Which hormone controls the metabolism of carbohydrates, proteins and fats in our body? (2018C)

(A) Insulin
(B) Thyroxine
(C) Testosterone
(D) estrogen

17. Blood appears red due to the presence of which of the following? (2019C)

(A) thrombin
(B) Fibrin
(C) Hemoglobin
(D) serum

18. Where is bile juice secreted : (2019 A)

(A) Pancreatic
(B) liver
(C) small intestine
(D) none of these

19. The systolic and diastolic pressure in a clean person is- (2019A)

(A) 120/80
(B) 80/120
(C) 80/100
(D) 72/80

20. By which primary tissue does the nerve fiber originate? (2011C)

(A) Ectoderm
(B) Mesoderm
(C) Endoderm
(D) any of these

21. The kidney in man is a part of a system that is related to- (2012A)

(A) nutrition
(B) Respiration
(C) emissions
(D) Transport

22. Xylem is responsible in plants-(2018)

(A) Conveyance of water
(B) Carriage of food
(C) transport of amino acids
(D) transport of oxygen

23. Necessary for autotrophic nutrition- (2015A, 2016A)

(A) Carbon dioxide and water
(B) Chlorophyll
(C) Sunlight
(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

25. Self nutrition takes place – (2021A)

(A) Fungi
(B) green plants
(C) animals
(D) All living beings

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

27. Which does not act as an endocrine and exocrine gland? (2019A)

(A) Pancreatic
(B) Pituitary gland
(C) ovary
(D) testes

28. Those plants which depend on rotten things for nutrition, what are they called?

(A) parasite
(B) dead
(C) Autotrophic
(D) host

29. Which of the following is a growth hormone found in plants? (2019A)

(A) Gibberellin
(B) Adrenaline
(C) Insulin
(D) Thyroxine

30. What is obtained by photosynthesis? (2011C)

(A) fat
(B) Protein
(C) Glucose
(D) Prakash

31. The longest part of human alimentary canal is : (2017C,2021A)

(A) Pharynx
(B) Stomach
(C) small intestine
(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

33. Where does the exchange of gases take place in the leaves? (2018A.2020A)

(A) Vein
(B) stomata
(C) midrib
(D) none of these

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

35. Which of the following instruments is used to measure blood pressure? (2018A)

(A) Barometer
(B) Manomeet
(C) Sphygno meter
(D) none of these

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

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

38. The slide is first viewed under the compound microscope: (2018A)

(A) at 5X
(B) at 10X
(C) at 25X
(D) at 45X

39. Through which organ do fishes respire? (2020A)

(A) Lung
(B) skin
(C) Gilles
(D) from trachea

40. Why are plants green? (2021A)

(A) due to stomata
(C) due to stomata
(B) due to chlorophyll
(D) due to salt

41. Which component of blood helps in stopping bleeding? (2019A)

(A) lymph
(B) Plasma
(C) Platelets
(D) none of these

42. What is the structural and functional unit of kidney? (2020A)

(A) cell
(B) respiratory organ
(C) nephron
(D) blood pressure

43. From which gland does saliva come out? (2020A)

(A) Adrenal
(B) Pituitary
(C) Saliva
(D) none of these

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

45. What is the number of chambers in the human heart? (2019A,2021A)

(A) 2
(B) 3
(C) 4
(D) 5

46. Regulates the opening and closing of stomata (2019C)

(A) gate cells
(B) companion cells
(C) sieve tubes
(D) Original Rome

47. Which enzyme acts on fat? (2021A)

(A) Pepsin
(B) Trypsin
(C) Lipase
(D) Amylase

48. Which type of respiration releases more energy? (2020A)

(A) pneumatic
(B) anaerobic
(C) both (A) and (B)
(D) none of these

49. What is found in Hydra? (2020A)

(A) brain
(B) nerve
(C) face
(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