Learning Science for a smarter life 3 Flashcards
Give four reasons why animals move from place to place?
. To escape the Harsh weather
- In search of food
- To escape predators
- To reach their breeding places
Why are moulds and mushrooms unable to make their own food?
Because they do not contain chlorophyll
How do the mushrooms get their food?
From dead and decaying matter
More than half of the worlds oxygen is produced by?
Photosynthesis
Name the water animals that breathe through their lungs?
Whales and dolphins
How do the earthworms breathe
They breathe through their mosi skin
Animals reproduce in two ways?
Animals reproduce by laying eggs. They alo reproduce by giving birth to young ones
Name a few animals that reproduce by laying eggs?
Birds
Frog
Fish
Snake
Name a plant that grows froma stem?
Creeping stem
Name a plant that grows from the root
Sweet potato
Name a plant that grows from a leaf?
Brophyllum leaf
Another word for slightly wet is?
Moist
How do animals and plants maintain the BALANCE OF NATURE
1, The seed grow into a plant which bears fruit
- The birds feed on the fruits.
- The seeds from the fruits are droppe by the birds
- these seeds grow into a new plant
** Animals depends on plant for food and oxygen and plants depends on animals to disperse its seeds
Name four animals that suck their food
Mosquito sucks blood
Butterfly sucks nectar
Leech sucks blood
Elephant sucks water with its trunk
This was the first scientist to explain the arrangement of predator and prey as part of food chain
Charles Elton
Name the project that is helping protect the tigers in their natural habitat
PROJECT TIGER
A dog that does not belong to home is known as a ?
Stray Dog
To keep repeatedely biting is to?
Gnaw
What is to GRAZE
To eat grass growing in the field
What is CUD
Partly digested food is known as CUD
What is FODDER
The food used to feed domestic animals is Fodder
The Project Tiger was started in which year
The project tiger was started in 1972
The Project Tiger was started to protect which animal
The Bengal Tiger
Why do animals need food
Animals need food to grow and stay healthy and also for energy
Name the plants that can store food in the stems?
Potato
Ginger
Sugarcane
Name the plants that can store food in the leaves?
Spinach
Cabbage
Potato
Name two flowers that can be eaten
Cauliflower
Broccoli
Why are the flowers attractive?
Flowers are attractive to attract the birds and insect. These animals help the flowers change to fruits
Give two important function of Fruit?
. Fruits have seeds. when seeds fall on the ground they germinate and grow into a new plant
- Fruits contain stored food
State whether true or false
Carrot is a type of a stem
False
The science of calculating the trees age by its rings is known as
DENDROCHRONOLOGY
Who founded the science of DENDROCHRONOLOGY
American astronomer A. E..Douglas
Give the functions of seeds
1, Seeds germinate into a new plant
- Seeds are used as CEREALS
- Seeds are used as PULSES
- Seeds are used as BEVERAGES
- Seeds are used to make OIL
- Seeds are used to give flavour
- Seeds are used as DRY FRUITS
Give example of a seed used as beverage
Coffee
Give example of a seed used as oil
Mustard
Sunflower
Sesame
Give example of a seed used to give flavour
Cardamom
Cumin
Fenugreek
The growth of a new plant from a seed is known as
Germination
Give example of a seed used as dry food
Cashew nut
Give example of a seed used as cereal
Rice
Wheat
Maize
Give example of a seed used as PULSES
Moong
Beans
Pea
A drink other than water is known as a
Beverage
When did humans start growing crops
about 12000 years ago
Substances present in the soil is known as
Minerals
A set of parts working together is known as a
System
Give two functions of the leaves
It is the kitchen of the plant
Some leaves like spinach, lettuce and cabbage store food
Leaves release water vapour in the air and this keeps the planr cool
A plant is made of two systems, name them
Root system
Shoot system
State whether true or false
Plants with fibrous roots can be pulled from the ground easily
True
State whether true or false
Ginger is a type of a root
State whether true or false
Banana plant has a woody stem
False
