Biology ICSE Class 6 Important Questions Chapter 9 Some Useful Plants and Animals

Extra Questions

Question 1.
Why do human beings depend on plants ?
Answer:

  • For food
  • For oxygen needed by us in respiration. It is released by plants during photosynthesis.
  • Products like paper, wood, rubber, jute, etc.
  • Even microscopic plants like fungi and bacteria are used to make antibiotic, bread, cheese, alcohol, etc.

Question 2.
List some food products obtained from plants and their sources.
Answer:
ICSE Class 6 Biology Important Questions Chapter 9 Some Useful Plants and Animals - 1

Question 3.
Name the part of the plant which we eat as food in the following:

  • Potato
  • Orange
  • Tomato
  • Carrot

Answer:

  • Stem
  • Fruit
  • Fruit
  • Root

Question 4.
What are spices ? Name few’.
Answer:
Spices are parts of the plant that are used to add flavour or colour to food rather than their food value. Most spices have microbial properties. Examples: cinnamon (dalchini), fennel (saunf), black pepper (kali mirch), etc.

Question 5.
Name few industrial products obtained from plants.
Answer:
Wood (timber), rubber, gum, paper, tannin, etc.

Question 6.
Name a fungus used to make bread, wine and beer.
Answer:
Yeast

Question 7.
What are cattle ? Give their uses and examples.
Answer:
Cattle are farm animals which are reard for food, milk and other farm activities. Examples: Buffaloes, cows, goat, sheep and pigs. Farm animals provide us meat, hide, milk and dung. Animal dung is used as fuel, manure and in gobar gas plants for producing biogas.

Question 8.
Name new varities of (i) freshwater fish and (ii) marine fish.
Answer:

  • Freshwater fish – Catla, singhi and rohu
  • Marine fish – hilsa, sardine, salmon, tuna and pomffet.

Question 9.
Name two things that honeybees provide us.
Answer:
Honey and beeswax (from the walls of their beehive).

Question 10.
Write a short note on honeybees as social insects.
Answer:
Bees live together in a nest called a beehive. A hive has numerous hexagonal compartments called cells. The three types of adult bees in a hive are a female bee that lays eggs (queen), males (drones) and females who cannot reproduce (workers), It’s the workers that produce honey.

Question 11.
Fill in the blanks
(i) …………. used to make furniture, is made by sticking together thin layers of wood.
Answer:
Plywood, used to make furniture, is made by sticking together thin layers of wood.

(ii) Crushed stems of sugarcane, after extracting their juice, are commonly known as …………. and used for making
paper.
Answer:
Crushed stems of sugarcane, after extracting their juice, are commonly known as bagasse and used for making paper.

(iii) ………….. discovered the antibiotic penicillin from fungus ………….
Answer:
Sir Alexander Fleming discovered the antibiotic penicillin from fungus Penicillium.

(iv) The meat of pig is called
Answer:
The meat of pig is called pork.

(v) Pashmina wool is obtained from an Indian breed of …………. called Pashmina.
Answer:
Pashmina wool is obtained from an Indian breed of sheep called Pashmina.

Question 12.
Name few plants which have medicinal value.
Answer:
Neem, tulsi, Aloevera, ginger and Eucalyptus

ICSE Class 6 Biology Important Questions

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