Class 10 Science Life Processes? CBSE Questions & Answers

Class 10 · Science Life Processes?

This is Science class 10 Science Life Processes? CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Match the following with correct response. (1) The red colour of human blood (2) The pigment which absorbs solar energy (3) The largest gland of human body (4) Pumping organ of the body (A) Chlorophyll (B) Heart (C) Liver (D) Hemoglobin
  • A
    1-A, 2-C, 3-B, 4-D
  • B
    1-B, 2-D, 3-A, 4-C
  • C
    1-C, 2-B, 3-D, 4-A
  • D
    1-D, 2-A, 3-C, 4-B
    Correct
2
Match the following with correct response. (1) Flatworms (2) Arthropods (3) Earthworm (4) Mammals (A) Nephridia (B) Flame cells (C) Kidney (D) Malpighian tubules
  • A
    1-C, 2-B, 3-D, 4-A
  • B
    1-A, 2-C, 3-B, 4-D
  • C
    1-D, 2-A, 3-C, 4-B
  • D
    1-B, 2-D, 3-A, 4-C
    Correct
3
Match the following with correct response. (1 The tissues transporting water is plants (2) Translocation of food (3) Glomerulus (4) Excretory product in amoeba (A) Amoeba (B) Phloem (C) Xylem (D) A part of nephron
  • A
    1-C, 2-B, 3-D, 4-A
    Correct
  • B
    1-D, 2-A, 3-C, 4-B
  • C
    1-A, 2-C, 3-B, 4-D
  • D
    1-B, 2-D, 3-A, 4-C
4
Match the following with correct response. (1) Tissue fluid (2) Atria (3) Alveoli (4) Functional unit of kidney (A) Lymph (B) a surface for gaseous exchange (C) Chamber of the heart (D) Nephron
  • A
    1-A, 2-C, 3-B, 4-D
    Correct
  • B
    1-C, 2-B, 3-D, 4-A
  • C
    1-D, 2-A, 3-C, 4-B
  • D
    1-B, 2-D, 3-A, 4-C
5
Match the following with correct response. (1) Pulmonary artery (2) Pulmonary vein (3) Aorta (4) Capillary (A) oxygenated blood (B) Exchange of substances (C) Supplies blood to body tissues/parts (D) deoxygenated blood
  • A
    1-C, 2-B, 3-D, 4-A
  • B
    1-D, 2-A, 3-C, 4-B
    Correct
  • C
    1-B, 2-D, 3-A, 4-C
  • D
    1-A, 2-C, 3-B, 4-D
6
Match the following with correct response. (1) Insects (2) Earthworm (3) Fishes (4) Mammals (A) Gills (B) Trachea (C) Lungs (D) Skin
  • A
    1-B, 2-D, 3-A, 4-C
    Correct
  • B
    1-A, 2-C, 3-B, 4-D
  • C
    1-D, 2-A, 3-C, 4-B
  • D
    1-C, 2-B, 3-D, 4-A
7
Match the following with correct response. (1) Saliva (2) Gastric juice (3) Pancreatic juice (4) Succuss entricus (A) sucrose (B) Pepsin (C) Amylase (D) Trypsin
  • A
    1-B, 2-D, 3-A, 4-C
  • B
    1-C, 2-B, 3-D, 4-A
    Correct
  • C
    1-D, 2-A, 3-C, 4-B
  • D
    1-A, 2-C, 3-B, 4-D
8
Match the following with correct response. (1) Anaerobic oxidation of glucose (2) Aerobic oxidation of glucose (3) End product of fermentation (4) Anaerobic muscular respiration (A) 2 ATP (B) Ethyl alcohol (C) 38 ATP (D) Lactic acid
  • A
    1-C, 2-B, 3-D, 4-A
  • B
    1-A, 2-C, 3-B, 4-D
    Correct
  • C
    1-D, 2-A, 3-C, 4-B
  • D
    1-B, 2-D, 3-A, 4-C
9
Match the following with correct response. (1) Epiglottis (2) Platelets (3) Instrument used to check normal activities of heart (4) Instrument used to measure blood pressure of human heart (A) Blood coagulation (B) Sphygmo manometer (C) Electro cardiograph (D) Covers wind pipe while swallowing food
  • A
    1-C, 2-B, 3-D, 4-A
  • B
    1-A, 2-C, 3-B, 4-D
  • C
    1-D, 2-A, 3-C, 4-B
    Correct
  • D
    1-B, 2-D, 3-A, 4-C
10
Osmo regulation is the process A. To maintain right amount of water B. To maintain proper ionic balance C. To maintain temperature of body D. To maintain glucose level of blood
  • A
    A and B
    Correct
  • B
    All of these
  • C
    A, B and D
  • D
    B and C
11
The living component of phloem are-A. Sieve tubes B. Companion cells C. Phloem parenchyma D. Phloem fibers
  • A
    A and C
  • B
    A, B and C
    Correct
  • C
    All of these
  • D
    B and C
12
Which of the following raw material is required for photosynthesis?A. Carbon dioxide B. Oxygen C. Water D. Chlorophyll
  • A
    All of these
  • B
    A and D
    Correct
  • C
    A and B
  • D
    A and C
13
Which of the follwoing carries oxygenated blood only?A. Aorta B. Pulmonary artery C. Pulmonary vein D. Capillary
  • A
    C and D
  • B
    All of these
  • C
    A and C
    Correct
  • D
    A and B
14
Select the correct statement A. Heterotrophs utilize solar energy for photosynthesis B. Heterotrophs do not synthesize their own food. C. Heterotrophs synthesize their own foodD. Heterotrophs are not capable of converting carbon dioxide and water into carbohydrates
  • A
    All of these
  • B
    A and D
  • C
    B and C
  • D
    B and D
    Correct
15
Which of the following take part in changing the volume of thoracic cavity A. External intercostals muscles B. Diaphragm C. Ribs D. Internal intercostals muscles
  • A
    A, B and D
    Correct
  • B
    A and C
  • C
    B and C
  • D
    All of these