Olympiad Science - Organization in Living Beings, Changes and Adaptation
Exam Duration: 45 Mins Total Questions : 30
How does the animal given below protect itself from extreme weather conditions?
- (a)
It undergoes hibernation
- (b)
It has a very thick cover of feathers
- (c)
It migrates to warmer places
- (d)
It has folded skin.
The given figure is Siberian crane. It migrates from colder regions to warmer regions during winter
Observe the figures given below
Which characteristic feature is common to all the three of them?
- (a)
They have opposable thumb.
- (b)
They have scales for body covering
- (c)
They live both on land and in water
- (d)
They use both their hind limbs and forelimbs to walk.
Given figures belong to mammals like gorilla, monkey ape and man. The common characteristics found in these animals is the presence of opposable thumb. Opposable thumb helps to grip, to hold things and branches
How does the animal given below protect itself from extreme weather conditions?
- (a)
It undergoes hibernation
- (b)
It migrates to warmer places
- (c)
It has dry skin
- (d)
It has a thick layer of fat under its skin.
Given animal undergoes hibernation to protect itself from extreme weather conditons.
Which bird is found in polar regions?
- (a)
- (b)
- (c)
- (d)
In the given options, penguin is found in polar regions.
Animals with feet as shown below are most likely to be useful to do which of the following activities?
- (a)
Walking
- (b)
Swimming
- (c)
Running
- (d)
Jumping
Webbed feet are useful in swimming
An animal is observed in the polar region. Which of the following adaptive characteristics may found in that animal?
- (a)
Growth of thick and less hairy skin
- (b)
Sharp beaks and strong claws
- (c)
Growth of thick fur on its skin.
- (d)
Light weight wings to fly.
Thick fur and big size helps to protect them from cold weather or to keep warm.
A student identified the following characteristics in an animals
(i) Strong claws and broad hip girdles
(ii)Spines to prevent from slipping
(iii) Ability to climb trees
The given characteristics are found in which animal?
- (a)
Terrestrial animal
- (b)
Aquatic animal
- (c)
Amphibian animal
- (d)
Arboreal animal
Arboreal animals live on trees. They should have strong claws and spines to prevent them from slipping
Which of the following animals is incorrectly matched to its adaptation?
Animals | Adaptations | |
(A) | Polar bear | Thickcoatoffur |
(B) | Toucan bird | Sticky pads |
(C) | Snowy owl | Thick coat of feathers |
(D) | Monkey | Long limbs and tail |
- (a)
Polar bear-Thikcoatoffur
- (b)
Toucan bird- sticky pads
- (c)
Snowy owl -Thick coatof featherss
- (d)
Monkey- Long limbs and tail
Toucan birds have long and large beaks to reach the fruits on branches.
In which of the following seasons we can see flowers all over the tree along with butterflies?
- (a)
Summer
- (b)
Rains
- (c)
Winter
- (d)
Spring
In spring season trees bear leaves and flowers.
We prefer to wear light coloured cotton clothesduring which of the following seasons?
- (a)
Summer season
- (b)
Winter season
- (c)
Spring season
- (d)
Rainy season
During summer we wear cotton clothes.
Which of the following units is used to measure the temperature of a day?
- (a)
Metres
- (b)
Seconds
- (c)
Celsius
- (d)
Kilograms
The temperature of a day is measured in celsius.
Which of the following adaptive features is not found in animals living in polar regions?
- (a)
Long, curved and sharp claws
- (b)
A thick layer of fat under skin
- (c)
A strong sense of smell
- (d)
Diets heavy on fruits.
Polar region animals are mostly carnivores
Which condition is considered to predict weather?
- (a)
The movement of air
- (b)
Amount of water vapour
- (c)
Temperature
- (d)
All of the above
Weather is predicted by considering temperature and the amount of water vapour present in the air
Which statement is true about humidity ?
- (a)
The amount of air present in any region
- (b)
The amount of any liquid present in air
- (c)
The amount of water vapour present in air
- (d)
The amount of elements and compound present in air
Humidity is the- amount of water vapour present in the air
Camouflage is a kind of adaptation in which an organism deceives others by merging its colour with that of its surroundings, Then what kind of colour will best suit for a Himalayan rabbit in the snowy mountains to hide itself from a polar bear?
- (a)
Red
- (b)
Blue
- (c)
White
- (d)
Black
To get protection from the predators, animals merge to their surroundings as an adaptation in polar regions
In which region sunlight is present for only a short span of time?
- (a)
Polar regions
- (b)
Subtropical regions
- (c)
Desert regions
- (d)
Equatorial region
In polar regions the sun is present only for a short time
Which of the following animals with special adaptations is found in polar regions?
- (a)
Nightingale
- (b)
Frog
- (c)
Bear
- (d)
Fish
Bears with thick fur are found in the polar regions
Which of the following terms is also called adjustment to environment?
- (a)
Adaptation
- (b)
Mimicry
- (c)
Hibernation
- (d)
Aestivation
Adjustment to environment is called adaptation
Which animal has long sticky tongue?
- (a)
Cow
- (b)
Eagle
- (c)
Chameleon
- (d)
Cheetah
Chameleon have long sticky tongue to catch its prey.
Which of the following is not an adaptation for self protection?
- (a)
Migration
- (b)
Change in colour
- (c)
Moving in groups
- (d)
Bearing eyelike patterns
Bearing eye like patterns on moths and butterflles is not an adaptation
Which of the following body parts maintain balance in a monkey?
- (a)
Tail
- (b)
Hands
- (c)
Legs
- (d)
Abdomen
Tail maintains balance in a monkey
Which of these animals can hear very soft sounds?
- (a)
Polar bear
- (b)
Elephant
- (c)
Red eyed frog
- (d)
Lizards
Elephants have big ears. Big ears enable them to hear very soft sounds
Which department prepare weather reports?
- (a)
Pollution department
- (b)
Health department
- (c)
Meteorological department
- (d)
Environment department
Meteorological department prepare weather reports
Which instrument is used to measure rainfall?
- (a)
Barometer
- (b)
Thermometer
- (c)
Raingauge
- (d)
All of these
Raingauge is used to measure rainfall
Which animal has sticky pads on its feet?
- (a)
Blue eyed frog
- (b)
Red eyed frog
- (c)
reen eyed frog
- (d)
Yellow eyed frog
Red eye frog have sticky pads on its feet to help it climb trees on which it lives.
Match the following birds in Column - I with their adaptations in Column - II
Column -I | Column -II | ||
(a) | Toucan bird | (i) | modified teeth |
(b) | Siberian bird | (ii) | Silver white mane |
(c) | Tusk of elephant | (iii) | Long beak elephant |
(d) | Macaque | (iv) | Migrate to India during winter |
- (a)
(a)-(iii), (b)-(i), (c)-(ii), (d)-(iv)
- (b)
(a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
- (c)
(a)-(i), (b)-(ii), c-(iii), d-(iv)
- (d)
(a)-(iv), (b)-(iii), (c)-(ii), d-(i)
Toucan bird - long beak, Siberian bird - Migration, Tusks of elephant - Modified teeth, Macaque - Silver white mane ape
The travelling of arctic tern to long distances to avoid hardships of winter is called
- (a)
migration
- (b)
adaptation
- (c)
hibernation
- (d)
aestivation.
Travelling long distances to avoid hardships of winter is called migration.
Which of the following features is an adaption to arboreal life?
- (a)
Thick skin
- (b)
Camouflage
- (c)
Opposable thumb
- (d)
Hibernation
Opposable thumb is an adaptation to arboreal life to hold branches.
Which of the following is an adaptation developed by the desert plants to manage the above situation?
- (a)
They have lots of branches and leaves
- (b)
They do not shed leavesin the summer.
- (c)
They develop roots which come above the ground.
- (d)
Their leaves are modified into spines
In desert plants leaves, are modified into spines to reduce water loss by transpiration
A leaf insect looks like leaves and polar bear living in snowy regions has white fur on its skin. Although these animals are very different from each other, what is the one way in which they are similar?
- (a)
They use their bodies to attack enemies
- (b)
They use their bodies to confuse enemies.
- (c)
They use their bodies to prepare food
- (d)
They migrate to long distances to protect themselves from enemies
Leaf insect and polar bear merges with their surroundings, so that they are not visible to their predators