Class 6 Biology ICSE | Sample Paper – 5 | Questions
ICSE 6 (Biology)
Sample Paper – 5
Max. Marks – 70 Time – 2 Hrs
General Instructions:
1. All questions are compulsory.
2. Question 1 carry 15 marks.
3. Question 2 to 12 carry 5 marks each.
Question 1:
Choose the correct choice in each of the questions given below. [15]
1. What is the primary reason insectivorous plants capture and digest insects?
a) To obtain essential nutrients, particularly nitrogen, from the insects.
b) To defend against herbivores.
c) To produce energy through photosynthesis.
d) To attract pollinators.
2. In which type of germination do the cotyledons rise above the soil surface?
a) Hypogeal germination
b) Epigeal germination
c) Both epigeal and hypogeal germination
d) Neither epigeal nor hypogeal germination
3. Which of the following is classified as a macronutrient that is essential for
plant growth?
a) Iron
b) Copper
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Class 6 Biology ICSE | Sample Paper – 5 | Questions
c) Nitrogen
d) Manganese
4. Which of the following statements best describes the difference between
breathing and respiration in humans?
a) Breathing involves the exchange of gases, while respiration is the process of
producing energy from glucose.
b) Breathing is the process of taking in oxygen and releasing carbon dioxide,
while respiration is the chemical process of energy production in cells.
c) Breathing and respiration are the same process.
d) Breathing is a chemical process, while respiration is a physical process.
5. Which of the following is a common cause of bronchitis?
a) Bacterial infection of the alveoli
b) Inflammation of the airways caused by allergens or irritants
c) Accumulation of fluid in the lungs due to pneumonia
d) Progressive scarring of lung tissue due to tuberculosis
6. The "pulse" that is felt at various points on the body is primarily caused by:
a) Contraction of the heart's atria
b) The flow of blood through arteries as the heart beats
c) The movement of oxygen in the bloodstream
d) The relaxation of the heart's ventricles
7. Which of the following is an effective preventive measure to reduce the
spread of respiratory infections such as the flu or COVID-19?
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Class 6 Biology ICSE | Sample Paper – 5 | Questions
a) Eating vitamin supplements daily
b) Wearing a mask in crowded places
c) Using insect repellents to avoid mosquito bites
d) Practicing only personal hygiene
8. How do gills in fish help them survive in their aquatic environment?
a) They help fish float on the water's surface.
b) They allow fish to take in oxygen from water.
c) They help fish regulate their body temperature.
d) They aid in digestion by breaking down food.
9. Which of the following is an adaptation that helps birds fly in aerial habitats?
a) Strong, muscular legs
b) Lightweight, hollow bones
c) Large, flat feet for swimming
d) Thick fur to retain body heat
10. What is the key difference between a bean seed and a maize grain in terms
of seed structure?
a) A bean seed has two cotyledons, while a maize grain has one cotyledon.
b) A bean seed is a type of dry fruit, while a maize grain is a fleshy fruit.
c) A maize grain contains more starch than a bean seed.
d) A bean seed has no seed coat, but a maize grain does.
11. Which of the following is the characteristic feature of parallel venation?
a) Veins are arranged in a network-like pattern.
b) A central midrib with lateral veins branching off.
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Class 6 Biology ICSE | Sample Paper – 5 | Questions
c) Veins run parallel to each other.
d) The veins form a circular arrangement.
12. Which of the following is an example of a leaf modification for storage?
a) Tendrils of pea plant
b) Spines of cactus
c) Onion bulb
d) Leaf of a pitcher plant
13. Why is oxygen important for seed germination?
a) It helps in the formation of the seed coat
b) It is required for respiration to provide energy for growth
c) It stimulates the production of chlorophyll in the seed
d) It prevents the seed from becoming waterlogged
14. The front opening of the wind pipe is guarded by
a) glottis
b) exoglottis
c) epiglottis
d) trachea
15. Slow breathing is a characteristic of
a) desert animals
b) aquatic animals
c) aerial animals
d) land animals
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Class 6 Biology ICSE | Sample Paper – 5 | Questions
Question 2:
Write one-word answers for the following questions. [5]
1. Which enzyme in saliva helps break down starch?
2. What is the term for the natural environment where an organism lives?
3. What is the waxy layer that covers the leaf and prevents water loss?
4. What is the name of the acidic juice secreted by the stomach to aid in
digestion?
5. What is the primary organ involved in gas exchange in humans?
Question 3:
Fill in the blanks. [5]
1. The __________ is the control center of the cell that contains the cell's
genetic material.
2. The primary organ for gas exchange in humans is the __________.
3. The physical feature of a cactus that prevents water loss is its __________.
4. The organ that stores bile produced by the liver is called the __________.
5. The blood vessels that are responsible for exchanging nutrients, gases, and
waste between blood and tissues are called __________.
Question 4:
Match the following terms with their correct descriptions: [5]
Column A Column B
1. Red Blood Cells A. Transports nutrients and gases in the blood
2. Endoplasmic Reticulum B. Produces pollen in flowers
3. Anther C. Helps in the synthesis of proteins and lipids
4. Plasma D. Carries oxygen to body cells
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Class 6 Biology ICSE | Sample Paper – 5 | Questions
Column A Column B
5. Vascular Tissue E. Transports water and food in plants
Question 5:
Study the image and answer the questions that follows. [1 + 2 + 1 + 1]
1. Name the structure shown in the diagram.
2. Label the arrows marked in the diagram.
3. What is its main function?
4. What is the role of capillaries around this structure?
Question 6:
Answer the following questions. [2.5 + 2.5]
1. How do desert plants adapt to survive in dry conditions?
2. What is the importance of adaptations for animals in different habitats?
Question 7:
Read the information carefully and answer the questions that follows. [1.5 + 2
+ 1.5]
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Class 6 Biology ICSE | Sample Paper – 5 | Questions
It is the start of the winter season, and many students at Ravi's school have
started sneezing, coughing, and complaining of a stuffy nose. Ravi notices that
his classmates are catching a cold and are missing school. His teacher explains
that the common cold is a viral infection that affects the upper respiratory
system and can spread easily through airborne droplets when someone coughs
or sneezes.
1. What are the common symptoms (any two) of the common cold, and how
does it affect the body?
2. How can the common cold be prevented, and why is it important to take
precautions during the cold season?
3. Why do doctors recommend staying at home and resting when someone has
the common cold?
Question 8:
Give one point of difference on the basis of what is given in the bracket. [5]
1. Auricles and Ventricles. (Walls)
2. Bean seed and Maize seed (Type of seed)
3. Photosynthesis and Respiration. (By-products)
4. Self-pollination and Cross-pollination (Main difference)
5. External respiration and Internal respiration. (Definition)
Question 9:
Choose the odd one out. [5]
1. Petal, Anther, Stigma, Leaf
2. Pollination, Germination, Fertilization, Photosynthesis
3. Mitochondria, Lysosome, Golgi body, Chlorophyll
4. Polar bears, Cactus, Penguins, Kangaroos
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Class 6 Biology ICSE | Sample Paper – 5 | Questions
5. Red blood cells, White blood cells, Platelets, Nerve cells
Question 10:
Observe the figure and label the parts. [4 + 1]
1. Appendix
2. Rectum
3. Caecum
4. Colon
What is the name of the structure shown?
Question 11:
Answer the following questions. [1.5 + 1.5 + 2]
1. Why is the alveolus (air sac) in the lungs surrounded by capillaries?
2. Why do desert plants have thick, waxy cuticles on their leaves?
3. Why do some plants have brightly colored flowers, while others are dull?
Question 12:
Read the information given below and answer the questions that follows: [3 +
2 = 5]
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Class 6 Biology ICSE | Sample Paper – 5 | Questions
Vallisneria is an aquatic plant that grows in ponds and lakes. Unlike many other
plants, Vallisneria has a unique method of pollination. The plant’s flowers are
adapted to pollinate through the movement of water.
1. How does pollination occur in Vallisneria?
2. What makes Vallisneria’s pollination process different from that of most
land plants?
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