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Science M.C.Q

life processes · Gujarat Board (GSEB) STD 10 (GSEB - English Medium). 31 questions.

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31 questions · timed · auto-graded

MCQ 11 Mark
Find mismatched pair:
  • ✓
    Paramoecium-Fermentation
  • B
    Peristaltic movement-All along the gut
  • C
    Emulsifying action-Bile
  • D
    Trachea-Windpipe
Answer
Correct option: A.
Paramoecium-Fermentation
A. Paramoecium-Fermentation
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MCQ 21 Mark
Select the correct pair:
  • ✓
    Stomata - transpiration
  • B
    Translocation - glucose
  • C
    Villi - egestion of feaces
  • D
    Trachea - cartilaginous rings
Answer
Correct option: A.
Stomata - transpiration
A. Stomata - transpiration
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MCQ 31 Mark
Find mismatched pair:
  • A
    One cell thick-blood capillary
  • B
     Ring of cartilage-trachea
  • C
    Phloem tissue-transport of sucrose
  • ✓
    Platelet cells-transport of respiratory gases
Answer
Correct option: D.
Platelet cells-transport of respiratory gases
D. Platelet cells-transport of respiratory gases
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MCQ 41 Mark
Which of the following alternative shows the correct path of oxygenated blood flow in human beings?
  • ✓
    Lungs → Pulmonary veins → Left auricle → Left ventricle → Various organs of the body
  • B
    Lungs → Pulmonary artery → Left auricle → Left ventricle → Various organs of the body
  • C
    Lungs → Pulmonary artery → Right auricle → Right ventricle → Various organs of the body
  • D
    Various organs of the body → Right auricle → Right ventricle → Pulmonary artery → Lungs
Answer
Correct option: A.
Lungs → Pulmonary veins → Left auricle → Left ventricle → Various organs of the body
A. Lungs → Pulmonary veins → Left auricle → Left ventricle → Various organs of the body
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MCQ 51 Mark
Which animals tolerate some mixing of oxygenated and deoxygenated blood streams?
  • A
    Fishes
  • B
    Birds
  • C
    Mammals
  • ✓
    Amphibians
Answer
Correct option: D.
Amphibians
D. Amphibians
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MCQ 61 Mark
Statement $A: ATP$ is the energy currency for cellular processes. Reason $R:$ Complete oxidation of pyruvate in presence of oxygen occurs in mitochondria. Which is the correct option for Statement $A$ and Reason $R?$
  • A
    Both $A$ and $R$ correct and $R$ is explanation of $A.$
  • ✓
    Both $A$ and $R$ correct but $R$ is not explanation of $A.$
  • C
    $A$ is correct, $R$ is incorrect.
  • D
    $A$ is incorrect, $R$ is correct.
Answer
Correct option: B.
Both $A$ and $R$ correct but $R$ is not explanation of $A.$
Both $A$ and $R$ correct but $R$ is not explanation of $A.$
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MCQ 71 Mark
Statement $A:$ The rate of breathing is much faster in fishes. Reason $R:$ The blood goes only once through the heart in the fish during one cycle of passage through the body. Which is the correct option for Statement $A$ and Reason $R?$
  • A
    Both $A$ and $R$ correct and $R$ is explanation of $A.$
  • ✓
    Both $A$ and $R$ correct but $R$ is not explanation of $A.$
  • C
    $A$ is correct, $R$ is incorrect.
  • D
    $A$ is incorrect, $R$ is correct.
Answer
Correct option: B.
Both $A$ and $R$ correct but $R$ is not explanation of $A.$
Both $A$ and $R$ correct but $R$ is not explanation of $A.$
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MCQ 81 Mark
In which of following process, $ATP$ is used?
  • ✓
    Translocation of food
  • B
    To maintain body temperature in human
  • C
    Respiration
  • D
    Simple diffusion in human
Answer
Correct option: A.
Translocation of food
Translocation of food
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MCQ 91 Mark
Which substance does not get reabsorbed in nephron during urine formation?
  • A
    Glucose
  • ✓
    Urea
  • C
    Amino acid
  • D
    Uric acid
Answer
Correct option: B.
Urea
B. Urea
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MCQ 101 Mark
Which is the circulatory pathway of blood in the human heart?
  • A
    Right auricle → Left auricle Lungs → Right ventricle → Left ventricle → Different organs
  • ✓
    Right auricle → Right ventricle → Lungs → Left auricle → Left ventricle → Different organs
  • C
    Right auricle → Right ventricle → Different organs → Left auricle → Left ventricle → Lungs
  • D
    Right auricle → Left auricle → Different organs → Right ventricle → Left ventricle → Lungs
Answer
Correct option: B.
Right auricle → Right ventricle → Lungs → Left auricle → Left ventricle → Different organs
B. Right auricle → Right ventricle → Lungs → Left auricle → Left ventricle → Different organs
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MCQ 111 Mark
Resin and gum are the .... substances of plants.
  • ✓
    excretory
  • B
    nutritive
  • C
    constitutional
  • D
    reserve
Answer
Correct option: A.
excretory
A. excretory
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MCQ 121 Mark
Which one is the false statement for arteries?
  • A
    Arteries carry blood from the heart towards other organs.
  • B
    In arteries the blood flows under high pressure.
  • ✓
    All arteries carry oxygenated blood.
  • D
    The arterial walls are thick and elastic.
Answer
Correct option: C.
All arteries carry oxygenated blood.
C. All arteries carry oxygenated blood.
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MCQ 131 Mark
Which process is important for osmoregulation?
  • A
    Nutrition
  • B
    Circulation
  • C
    Breathing
  • ✓
    Excretion
Answer
Correct option: D.
Excretion
D. Excretion
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MCQ 141 Mark
Which organ stores bile?
  • A
    Liver
  • B
    Pancreas
  • C
    Small intestine
  • ✓
    Gall bladder
Answer
Correct option: D.
Gall bladder
D. Gall bladder
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MCQ 151 Mark
Which cells surround the pore of the stomata?
  • A
    Epidermal cells
  • B
    Companion cells
  • C
    Sieve cells
  • ✓
    Guard cells
Answer
Correct option: D.
Guard cells
D. Guard cells
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MCQ 161 Mark
What is the ultimate purpose of digestion?
  • A
    Transportation
  • ✓
    Absorption
  • C
    Respiration
  • D
    Assimilation
Answer
Correct option: B.
Absorption
B. Absorption
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MCQ 171 Mark
Which of the following organism breaks down food material outside of body?
  • ✓
    Mushroom
  • B
    Cuscuta
  • C
    Leech
  • D
    Lice
Answer
Correct option: A.
Mushroom
A. Mushroom
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MCQ 181 Mark
Which is the main force for the conduction of water through the xylem in plants?
  • A
    Absorption of water through roots
  • B
    Absorption of ions through roots
  • C
    Sufficient availability of water from the soil
  • ✓
    Suction due to transpiration
Answer
Correct option: D.
Suction due to transpiration
D. Suction due to transpiration
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MCQ 191 Mark
What happens in the process of photosynthesis?
  • A
    Transformation of solar energy into functional energy
  • ✓
    Transformation of solar energy into chemical energy
  • C
    Transformation of chemical energy into functional energy
  • D
    Transformation of functional energy into chemical energy
Answer
Correct option: B.
Transformation of solar energy into chemical energy
B. Transformation of solar energy into chemical energy
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MCQ 201 Mark
Which of the following brings oxygenated blood into left atrium in heart?
  • ✓
    Pulmonary vein
  • B
    Pulmonary artery
  • C
    Vena cava
  • D
    Aorta
Answer
Correct option: A.
Pulmonary vein
A. Pulmonary vein
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MCQ 211 Mark
As compared to blood, the lymph contains…………..
  • A
    fewer $RBCs$
  • B
    less amount of water
  • C
    less amount of metabolic waste
  • ✓
    less amount of proteins
Answer
Correct option: D.
less amount of proteins
less amount of proteins
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MCQ 221 Mark
From which part of the human heart only oxygenated blood always flows?
  • A
    Both atria
  • B
    Both ventricles
  • ✓
    Left atrium and left ventricle
  • D
    Right atrium and right ventricle
Answer
Correct option: C.
Left atrium and left ventricle
C. Left atrium and left ventricle
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MCQ 231 Mark
At which part the actual process of filtration of blood takes place in kidney?
  • ✓
    Bowman’s capsule
  • B
    Collecting duct
  • C
    Tubular part of nephron
  • D
    Capillaries of nephron
Answer
Correct option: A.
Bowman’s capsule
A. Bowman’s capsule
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MCQ 241 Mark
In which part of the body blood is oxygenated?
  • A
    Heart
  • B
    Liver
  • C
    Kidney
  • ✓
    Lungs
Answer
Correct option: D.
Lungs
D. Lungs
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MCQ 251 Mark
In plants, photosynthetic products are transported through.........
  • A
    vessel and sieve tube
  • B
    tracheid and vessel
  • ✓
    sieve tube and companion cell
  • D
    sieve tube and tracheid
Answer
Correct option: C.
sieve tube and companion cell
C. sieve tube and companion cell
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MCQ 261 Mark
The enzyme acting in acidic medium is .....
  • A
    amylase
  • ✓
    pepsin
  • C
    trypsin
  • D
    both $B$ and $C$
Answer
Correct option: B.
pepsin
B. pepsin
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MCQ 271 Mark
What is the product from glucose in the first phase of respiration?
  • A
    Ethanol
  • B
    Lactic acid
  • ✓
    Pyruvic acid
  • D
    $CO2$
Answer
Correct option: C.
Pyruvic acid
C. Pyruvic acid
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MCQ 281 Mark
Which is the exact site for gaseous exchange in human beings?
  • A
    Brochus
  • ✓
    Alveoli
  • C
    Villi
  • D
    Skin
Answer
Correct option: B.
Alveoli
B. Alveoli
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MCQ 291 Mark
Which one of the following organisms can live without oxygen or air?
  • A
    Amoeba
  • B
    Leech
  • C
    Green plant
  • ✓
    Yeast
Answer
Correct option: D.
Yeast
D. Yeast
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MCQ 301 Mark
Which of the following type has longest small intestine?
  • A
    Tiger
  • B
    Human
  • ✓
    Cow
  • D
    Rat
Answer
Correct option: C.
Cow
C. Cow
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MCQ 311 Mark
Where does the digestion of protein start in human being?
  • A
    Mouth
  • ✓
    Stomach
  • C
    Small intestine
  • D
    Colon
Answer
Correct option: B.
Stomach
B. Stomach
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