Exploring Organisms and Their Environments

What does roots do?

• To produce flowers and fruits

• To facilitate photosynthesis in leaves

• To store energy in the form of starch

• fixes plant in the ground.

Which statement is true about reptiles?

• They are warm blooded animals

• They breathe through the lungs

• They have hair

• They have pinnae

Which part of plant makes food?

• Leaf

• Root

• Stem

• Fruit

Which of the following mammal lives in water?

• bat

• dolphin

• rhinoceros

• cat

Which of the following characteristics is of mammals?

• Having hair or fur

• Having gills

• Having scales

• Having feathers

Which unit is used to measure the length of a book?

• cm

• mm

• m

• km

Name one characteristic that distinguishes vertebrates from invertebrates.

• Lack of a circulatory system

• Presence of a backbone (spinal column)

• Presence of exoskeleton

• Ability to regenerate limbs

If length= 50cm, breadth= 10cm and height= 20cm. Find volume.

• 1000 cm3

• 10,000 cm3

• 100 cm3

• 500 cm3

Which is equal to one day?

• 86,400 s

• 86,000 s

• 84,600 s

• 48,600 s

What part of a plant is responsible for photosynthesis?

• Leaves

• Flowers

• Stems

• Roots