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CBSE - Class 10 Science Life Processes Worksheet
Which component of blood Helps in blood clotting
WBC
b.RBC
c.Platelet
d.Hemoglobin
Which of these is a heterotrophic organism?
Mango tree
b.Money Plant
c.Mushroom
d.Algae
A person’s trachea gets partially blocked. Which process will be most immediately affected?
Cellular respiration
b.Gas exchange in alveoli
c.Transport of oxygen by blood
d.Breakdown of glucose
Which gas is taken in and which is given out during the process of aerobic respiration?
O? taken in, CO? given out
b.CO? taken in, O? given out
c.O? taken in, N? given out
d.CO? taken in, N? given out
The breakdown of pyruvate to give carbon dioxide, water and energy takes place in
cytoplasm.
b.mitochondria.
c.chloroplast.
d.nucleus.
In amoeba food is digested in the
Food vacuole
b.Nucleus
c.Pseudopodia
d.Chloroplast
A student places a plant in a sealed container but adds a dish of KOH inside. What happens to the rate of photosynthesis?
Increases
b.Decreases
c.Becomes zero
d.Doubles
What are the products obtained by anaerobic respiration in plants?
Lactic acid + Energy
b.Carbon dioxide + Water + Energy
c.Ethanol + Carbon dioxide + Energy
d.Pyruvate
A person’s breathing rate is normal, but oxygen level in the blood is extremely low. Which structure is malfunctioning?
Diaphragm
b.Alveoli
c.Trachea
d.Bronchi
The site of complete digestion in humans is
Stomach
b.Pancreas
c.Small Intestine
d.Large intestine
Which process occurs during inhalation
Diaphragm relaxes
b.Diaphragm moves up
c.Chest Cavity decreases
d.Lungs expand
Which part of nephron allows the selective reabsorption of useful substances like glucose, amino acids, salts and water into the blood capillaries?
Tubule
b.Glomerulus
c.Bowman’s capsule
d.Ureter
The enzyme present in saliva is
Pepsin
b.Trypsin
c.Amylase
d.Lipase
Which part of the nephron is responsible for filtration of blood?
Tubules
b.Collecting duct
c.Glomerulus
d.Bowman's capsules
Which of the following has no role in fat digestion
Bile
b.Lipase
c.Pepsin
d.Pancreatic juice
The xylem in plants are responsible for
transport of water.
b.transport of food.
c.transport of amino acids.
d.transport of oxygen.
If the xylem of a plant is blocked, which process will be most affected?
Translocation
b.Photosynthesis
c.Water absorption
d.Respiration
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