class7 science

What is the atomic number of oxygen?

• 5

• Sandwich

• 8

• 17

What is matter?

• physical changes
• anything that takes up space
• chemical properties
• physical properties

Tags

NGSS.MS-PS1-5

Cuscuta is an example of

• autotroph

• parasite

• saprotroph

• host

state true or false

carbon dioxide is release during photosynthesis.

• true

• false

The process of releasing silk from the cocoon is ___________.

• Sorting

• Reeling

• Throwing

• Shearing

1. Which of the following gases is released during Photosynthesis?

• Nitrogen

• Oxygen

• Carbon Dioxide

• Hydrogen

The constant movement of __________ by paramecium pushes the food particles along with the water current into its mouth.

• Cilia

• Tentacles

• Feeding tube

• Sticky tongue

Compound stomach is found in _________.

• Humans

• Lion

• Cow

• All of these

In cow, the food goes first into _________.

• Reticulum

• Rumen

• Omasum

• Abomasum

On adding iodine solution to starch, it _______________.

• Turns blue-black

• Turns green

• Remains colourless

• Turns red