Science 🧬 Quiz

Science 🧬 Quiz

1st Term Revision

Multiple Choice

Which one of these is paramecium?

Multiple Choice

Who observed microorganisms for the very first time?

• Antoine Van Leeuwenhoek

• Antoine Leeuwenhoek Van

• Van Antoine Leeuwenhoek

• Antoine Vam Leeuwenhoek

Multiple Choice

What is produced when sugar and yeast are mixed?

• Mucor

• Ethyl Alcohol

Multiple Choice

What is Putrefaction?

• Microbial activity on food high in sugar

• Microbial activity on food high in protein

• Microbial activity on food high in fat

• Microbial activity on food high in vitamins

Multiple Choice

Not a benefit of microorganisms

• Producing antibiotics

• Infections diseases caused to man

• Controlling pests

• Coir industry

Multiple Choice

What is the disease suffered by animals (cows, Dogs…)

• Mosaic

• Amoebisis

• Mastitis

• Sore

Multiple Choice

What invertebrate group has a radially symmetrical body?

• Mammal

• Molluscs

• Arthropoda

• Cnidaria

Multiple Select

The two main forms of Cnidaria

• Segmented

• Polyps

• Hydra

• Medusa

Multiple Select

Which two invertebrates have a segmented body and a muscular foot (Respectively)

• Cnidaria

• Annelida

• Molluscs

• Amphibians

Multiple Choice

What animal group is know to have the highest number of animals?

• Arthropoda

• Mammals

• Reptiles

• Molluscs

Multiple Choice

What is the special ability of Pisces?

• Doesn’t put on clothes

• Have a streamlined body

• Has no feet

• Possess eyes without eyelids

Multiple Choice

Which animal group possesses ‘Metamorphosis’

• Reptiles

• Mammals

• Amphibians

• Annelida

Multiple Choice

Who is a reptile from the below given animals

• Skate

• Tortoise

• Ichthyophis

• Hawk

Multiple Choice

What is not a flightless bird

• Emu

• Cassowary

• Rhea

• None of the above

Multiple Choice

Not a special feature of mammals?

• Has a streamlined body

• Feeds in mother’s milk

• Has sebaceous glands

• Has mammary glands

Multiple Select

What are the two main parts of a plant?

• Soot system

• Shoot system

• Leaves system

• Root system

Multiple Choice

What is this leaf?

• Sesame

• Radish

• Rocket

• Basil

Multiple Choice

What is this leaf?

• Ginger

• Mango

• Sera

• Niyagala

Multiple Choice

Example for a plant with leaves attached in a whirl

• Rukkathana

• Kanda

• Anona

• Guava

Multiple Choice

The main function of a leaf is Photosynthesis. What is not an adaptation of a leaf to carry out photosynthesis effectively

• Large surface of a leaf

• Thin leaves

• The widespread network of veins

• Leaves directed to the direction of the sun

Multiple Choice

What are these?

• Leaves

• Stomata

• Water Particles

• Guard cells

Multiple Choice

What is the adaptation of Oleander to minimize transpiration?

• Thick Waxy Cuticle

• Thin leaves

• Leaves reduced to spines

• Reduced Number of leaves

Multiple Select

Name the two leaves that store water and produce new leaves through asexual reproduction?

• Aloe

• Banana

• African violet

• Kalanduru

Multiple Select

Name a runner and a sucker

• Akkapana

• Paddy

• Ambul Ambiliya

• Sugarcane

Multiple Choice

A plant that grows food in aerial stems

• Kithul

• Potato

• Carrot

• Banana

Multiple Choice

What is incorrect?

• Rhizome - Ginger

• Stem tuber - Leeks

• Bulb - Onion

Multiple Choice

What is incorrect?

• Photosynthetic stems - Daluk

• Aerial food storing - Sugar Cane

• Climbing stems - Pepper

• Underground stems - Onion

Multiple Choice

A Tuberous root that stores food in adventitious roots

• Carrot

• Beet

• Dahila

• Raddish

Multiple Choice

A plant with Prop roots

• Pandunas

• Betel

• Rampe

• Banyan

Multiple Select

Two plants with stilt roots

• Pandunas

• Betel

• Rampe

• Vannila

Multiple Choice

A climbing root

• Vanilla

• Pepper

• Beans

• Mango

Multiple Select

An Aerial root and a respiratory root

• Sonneratia

• Vanilla

• Beans

• Jak

Multiple Choice

Choose 'Matter' from below

• Sound

• Magnet

• Electricity

• Heat

Multiple Choice

A feature of liquids

• Particles bump into each other

• Particles are much further away from each other

• Strong attraction

• Particles slide past each other

Multiple Choice

What is the most compressible type of matter?

• Gas

• Solid

• Liquid

Multiple Choice

A use of liquids

• Hydraulic Jack

• Inflating tires

• Building materials, weapons

• Parts of machinery

Multiple Choice

What is not an Element?

• Sulphur

• Carbon

• Iron Sulphide

• Zinc

Multiple Choice

What are the elements present in Sodium Hydroxide?

• Sulphur, Hydrogen, Oxygen

• Sodium, Helium, Carbon

• Sodium, Helium, Oxygen

• Sodium, Hydrogen, Oxygen

Multiple Choice

'The visual quality of the substance' What is the physical property of this?

• Color

• Texture

• Smell

• Density

Multiple Choice

What is the symbol of Density

• Oscillation

• Rho

• Volume

• Dense

Multiple Choice

What is the melting point and boiling point of water at ground level? (respectively)

• 100 and 0 degrees

• 27 and 270 degrees

• 0 and 100 degrees

• 10 and 110 degrees

The three ways how sound are produced

• By vibrating membranes

• By vibrating strings

• By vibrating air columns

Multiple Choice

How many oscillations are there for 32Hz

• 32

• 23

• 43

• 34

Multiple Choice

Frequency increases gradually when the length of a Tuning fork increases.

• True

• False

Multiple Choice

When the membrane is stretched, the frequency of the sound produced is high

• True

• False

Multiple Choice

In a flute, the instrument does not vibrate

• True

• False

Multiple Choice

Sound produced by the vibration of long, loose and thick wire is very sharp

• True

• False

Multiple Choice

Man can here the sound frequency over 2000 Hz

• True

• False

Multiple Choice

What is the disease that can be cured by Infrasound?

• Sonar

• Leishmaniasis

• Myopia

• Sore