Download App

The Fundamental Unit of Life — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceThe Fundamental Unit of Life2 Marks
Question

What is active transport?

✓

Answer

Active transport is a process to transport molecules across the membrane against a concentration gradient. Energy is used in the form of ATP.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Que-Ans (Each of 2 Mark )" from The Fundamental Unit of Life→The Fundamental Unit of Life — all question types→Science STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

What is the name of sheath of nerve fibre?
→
If a bus travelling at 20m/s is subjected to a steady deceleration of 5m/s2, how long will it take to come to rest?
→

What happens to the speed of sound when it goes from solid to gaseous state?

→
Compare the properties of metals and non-metals with respect to:
  1. Malleability.
  2. Ductility.
  3. Electrical conductivity.
→

A car is being driven by a force of 2.5 × 1010N. Travelling at a constant speed of 5m/s, it takes 2 minutes to reach a certain place. Calculate the work done.

→
Do action and reaction act on the same body or different bodies? How are they related in magnitude and direction? Are they simultaneous or not?
→
To take the boat away from the bank of a river, the boatman pushes the bank with an oar. Why?
→

Calculate the wavelength of a sound wave whose frequency is 220Hz and speed is 440m/s in a given medium.

→

Give two practical applications of reflection of sound waves.

→
Name two gases of air which dissolve in water by diffusion. What is the importance of this process in nature?
→