IGKO Class 4 - Sample question paper 04

Q26) Which of the following animals lay eggs?

a) Dolphins

b) Lions

c) Elephants

d) Crocodiles

Answer: d) Crocodiles

Explanation: Crocodiles are reptiles and lay eggs. Dolphins are mammals and give birth to live young. Lions and elephants are mammals as well and give birth to live young.

Q27) Which of the following plants reproduce through spores?

a) Sunflowers

b) Roses

c) Ferns

d) Tulips

Answer: c) Ferns

Explanation: Ferns are a type of plant that reproduces through spores. Sunflowers, roses, and tulips are flowering plants that reproduce through seeds.

Q28) Which adaptation helps animals protect themselves?

a) Decomposition

b) Mimicry

c) Camouflage

d) Both (b) and (c)

Answer: d) Both (b) and (c)

Explanation: Both mimicry and camouflage are adaptations that animals use to protect themselves from predators.

Q29) Which structural adaptation allows the pine tree to survive in hilly areas?

A) Needle-like leaves

B) Cones instead of flowers

C) Green fleshy stem

D) Breathing roots

Answer: b) (A) and (C)

Explanation: Pine trees have needle-like leaves that reduce water loss and cones instead of flowers, helping them adapt to hilly areas.

Q30) Identify the plant that does not belong to the same category as the others:

a) Fir

b) Spruce

c) Deodars

d) Pitcher plant

Answer: d) Pitcher plant

Explanation: Among the given options, the "Pitcher plant" is not a type of coniferous tree, unlike the others.

Q31) What type of plant is pond weed?

a) Aquatic plant

b) Mangrove

c) Mountainous

d) Desert

Answer: a) Aquatic plant

Explanation: Pond weed is an example of an aquatic plant that grows in water bodies like ponds and lakes.

Q28) Which adaptation is demonstrated by a chameleon changing its color to blend in with its surroundings?

a) Migration

b) Camouflage

c) Hibernation

d) Extinction

Answer: b) Camouflage

Explanation: Camouflage is the adaptation that allows animals like chameleons to blend into their environment, making them less visible to predators.

Q29) How does the white coat of polar bears benefit them?

a) Camouflage

b) Looking bigger

c) Drying faster

d) Staying healthy

Answer: a) Camouflage

Explanation: The white coat of polar bears helps them blend into their snowy surroundings, acting as camouflage and making it easier for them to hunt.

Q30) The swollen stem of a cactus is important for _____.

a) Absorbing more oxygen

b) Absorbing more protein

c) Absorbing more water

d) Absorbing more sunlight

Answer: c) Absorbing more water

Explanation: The swollen stem of a cactus stores water, allowing the plant to survive in arid environments with limited water availability.

Q31) Which type of microbe causes the common cold?

a) Virus

b) Fungi

c) Bacteria

d) Protozoa

Answer: a) Virus

Explanation: The common cold is primarily caused by viruses, such as rhinoviruses, which infect the respiratory system.

Q32) How have fish adapted to move in water?

a) They have gills

b) They have fins

c) They have legs

d) They have paddle-like flippers

Answer: b) They have fins

Explanation: Fins are adaptations that help fish maneuver and move efficiently in water, aiding in their swimming and navigation.

Q33) Plants of the grass family are also known as _____.

a) Carnivorous plants

b) Herbaceous plants

c) Bushy plants

d) All of the above

Answer: b) Herbaceous plants

Explanation: Plants of the grass family, like wheat and rice, are often referred to as herbaceous plants due to their non-woody stems.

Q34) Which animals are warm-blooded?

a) Reptiles

b) Fish

c) Amphibians

d) Birds

Answer: d) Birds

Explanation: Birds are warm-blooded animals, meaning they can regulate their body temperature internally, unlike cold-blooded animals like reptiles.

Q35) How does the skin of polar bears and penguins keep them warm?

a) Piece of blanket

b) Insulated wool layer

c) Insulated fat layer

d) Insulated protein layer

Answer: c) Insulated fat layer

Explanation: The skin of polar bears and penguins contains a thick layer of fat that acts as insulation, keeping them warm in their cold environments.

Q36) What shape do plants grown on mountains often have?

a) Conical

b) Palm

c) Rectangular

d) None of these

Answer: a) Conical

Explanation: Plants grown on mountains often have a conical shape, which helps them shed snow and resist strong winds.

Q37) What are coniferous trees also referred to as?

a) Deciduous

b) Spongy

c) Evergreen

d) Aquatic

Answer: c) Evergreen

Explanation: Coniferous trees are commonly known as evergreen trees because they retain their leaves (needles) throughout the year.

Q38) Among the following trees, which one grows in plain areas?

a) Teak

b) Pistia

c) Deodar

d) Oak

Answer: a) Teak

Explanation: Teak trees are known to grow in plain areas and are valued for their durable wood.

Q39) During which weather do deciduous trees go dormant?

a) Spring

b) Summer

c) Winter

d) Autumn

Answer: d) Autumn

Explanation: Deciduous trees go dormant during autumn as they shed their leaves and prepare for the colder winter months.

Q40) In which type of areas do palms and tamarind trees grow?

a) Hot and damp areas

b) Cold areas

c) Areas with heavy rain

d) Desert areas

Answer: a) Hot and damp areas

Explanation: Palms and tamarind trees thrive in hot and damp tropical areas with consistent warmth and moisture.

3. GK Questions for Class 4 - Transport and communication

Q41) What are un-metalled roads constructed for unobstructed vehicle movement known as?

a) Highways

b) Footpath

c) Expressways

d) Both (a) and (b)

Answer: a) Highways

Explanation: Un-metalled roads constructed for unobstructed vehicle movement are commonly known as highways.

Q42) Which of these is considered the fastest and cheapest mode of communication?

a) Newspaper

b) Television

c) Post cards

d) Internet

Answer: d) Internet

Explanation: The internet is considered the fastest and cheapest mode of communication as it allows for instant exchange of information and can be accessed economically.

Q43) What is a train that can carry many people from one place to another known as?

a) Goods train

b) Passenger train

c) Commuter train

d) Special train

Answer: b) Passenger train

Explanation: A train that can carry many people from one place to another is known as a passenger train.

Q44) Aeroplanes depart from Airports. From where do ships depart?

a) Harbours

b) Footpath

c) Bus stand

d) None of these

Answer: a) Harbours

Explanation: Ships typically depart from harbours, which serve as ports for maritime transportation.

Q45) Local trains are famous in which of the following places?

a) Mumbai

b) Kerala

c) Goa

d) Delhi

Answer: a) Mumbai

Explanation: Local trains are famous in Mumbai, where they play a crucial role in the city's public transportation system.

Q46) State whether the following statements are true or false.

(i) Rajdhani Express is a luxury bus

(ii) Letters sent through speed post can reach faster than ordinary post

(iii) Radio is a means of communication

a) (i) – T, (ii) - F, (iii) - F

b) (i) – F, (ii) - T, (iii) - T

c) (i) – F, (ii) - T, (iii) - F

d) None of the above

Answer: b) (i) – F, (ii) - T, (iii) - T

Explanation: The first statement is false; Rajdhani Express is a luxury train, not a luxury bus. The second statement is true; speed post is designed to deliver letters faster than ordinary post. The third statement is true; radio is indeed a means of communication.

Q47) In India, all major cities and towns are connected by:

a) River

b) Road

c) Sea

d) None of these

Answer: b) Road

Explanation: In India, all major cities and towns are connected by roads, which form an extensive network of transportation.

Q48) Which of the following is an audio/visual means of communication?

a) Television

b) Computer

c) Radio

d) Both (a) and (b)

Answer: d) Both (a) and (b)

Explanation: Television and computer are both audio/visual means of communication, as they convey information through both sound and images.

Q49) An expressway is:

a) road

b) railway

c) airway

d) water route

Answer: a) road

Explanation: An expressway is a type of road designed for high-speed travel, typically with limited access and no intersections, making it suitable for fast and efficient transportation.

Q50) Sledges are the means of transport which are used in:

a) desert

b) snow

c) land

d) water

Answer: b) snow

Explanation: Sledges are commonly used as a means of transport on snowy terrain. They are equipped with runners that allow them to glide over the snow's surface.