Worksheets10th -B- ZMZR-CHP-5-AS ON 12-06-2024
Total questions: 24
Worksheet time: 12mins
Which life process involves the breakdown of complex organic molecules to release energy?
Nutrition
Respiration
Excretion
Reproduction
What gas is consumed during photosynthesis?
Oxygen
Carbon dioxide
Nitrogen
Hydrogen
How does lymph differ from blood plasma?
Lymph contains more red blood cells than plasma.
Lymph has a higher protein concentration than plasma.
Lymph has a lower protein concentration than plasma.
Lymph contains more platelets than plasma.
What gas is consumed during respiration?
Oxygen
Carbon dioxide
Nitrogen
Hydrogen
Which molecule is primarily responsible for capturing light energy during photosynthesis?
Glucose
Chlorophyll
Carbon dioxide
Water
How does Amoeba take in food?
Through its mouth
Through temporary finger-like extensions
Through absorption by its cell membrane
Through the process of osmosis
Which system is responsible for the removal of metabolic wastes from the body?
Respiratory system
Circulatory system
Excretory system
Nervous system
In which part of the plant does photosynthesis primarily occur?
Roots
Stem
Leaves
Flowers
What is the role of cilia in Paramecium ?
Absorption of nutrients
Movement of food particles
Protection against predators
Oxygen exchange
What molecule is synthesized immediately to provide energy for cellular activities?
Glucose
Carbon dioxide
Water
ATP
What prevents the collapse of the air-passage in the throat?
Rings of cartilage
Smooth muscles
Mucus
Cilia
Which of the following organisms uses parasitic nutrition?
Grass
Mushroom
Leech
Algae
When a few drops of iodine solution are added to rice water, the solution turns blue- black in colour. This indicates that rice water contains:
fats
complex proteins
starch
simple proteins
The process by which green plants convert carbon dioxide and water into glucose using sunlight is called:
Respiration
Photosynthesis
Fermentation
Transpiration
What is the function of platelets in the circulatory system?
Transport oxygen
Initiate blood clotting
Carry nutrients to cells
Remove waste products from tissues
What is the respiratory pigment responsible for oxygen transport in humans?
Chlorophyll
Haemoglobin
Myoglobin
Hemocyanin
How is carbon dioxide primarily transported in human blood?
Bound to haemoglobin
Dissolved in plasma
Bound to myoglobin
Bound to red blood cells
What causes muscle cramps during sudden activity?
Build-up of lactic acid
Accumulation of oxygen
Decrease in glucose levels
Release of ATP
What structure in the respiratory system increases the surface area for gas exchange?
Trachea
Bronchi
Alveoli
Bronchioles
What is the primary function of red blood cells in the circulatory system?
Carrying oxygen to tissues
Fighting infections
Removing carbon dioxide from tissues
Transporting nutrients to cells
What is the main component of plasma in the blood?
White blood cells
Red blood cells
Platelets
Water
In which organelle does aerobic respiration primarily occur?
Nucleus
Golgi apparatus
Mitochondria
Ribosomes
Which is the correct sequence of body parts in the human alimentary canal?
Mouth → stomach → small intestine → large intestine → oesophagus
Mouth → oesophagus → stomach → small intestine → large intestine
Mouth → stomach → oesophagus → small intestine → large intestine
Mouth → oesophagus → stomach → large intestine → small intestine
How do desert plants carry out photosynthesis efficiently?
They take up carbon dioxide during the day
They take up carbon dioxide at night
They only require minimal water for the process
They store excess carbohydrates in their leaves
