MEDIUM
9th CBSE
IMPORTANT
Earn 100
Osmosis ________
(i) is the spontaneous movement of water molecules through a selective permeable membrane (eg, plasma membrane).
(ii) can occur in any medium.
(iii) occurs only in liquid medium.
(iv) does not require semi-permeable membrane.
Select the correct option:
50% studentsanswered this correctly
Important Questions on The Fundamental Unit of Life
MEDIUM
9th CBSE
IMPORTANT
Endocytosis is _____
(i) intake of extra-cellular fluid, droplets and macromolecules.
(ii) intake of extracellular particles.
(iii) Growth of plasma membrane around the particle as pseudopodia.
(iv) a nutritive process.
Select the correct option:
Note:- The options provided were not helping to choose the correct answer hence one of the option is changed.
EASY
9th CBSE
IMPORTANT
Nucleus
(i) is without a covering membrane
(ii) represents the whole eukaryotic complex that contains the genetic information
(iii) is covered by a two membrane envelope.
(iv) is a component of the nucleoid.
Select the correct option:
EASY
9th CBSE
IMPORTANT
Chloroplasts.
(i) are green plastids.
(ii) are sites of photosynthesis.
(iii) are non-green coloured plastids
(iv) does not contain lamellae.
Select the correct option:
EASY
9th CBSE
IMPORTANT
Chromosomes are made up of (i) DNA (ii) Protein (iii) O2 (iv) CO2
Select the correct option:
MEDIUM
9th CBSE
IMPORTANT
Find out the false sentences
(i) Cytoplasm is also called protoplasm.
(ii) Mitochondria is the powerhouse of the cell.
(iii) Golgi apparatus is involved with the formation of lysosomes.
(iv) Ribosomes do not help in protein synthesis.
Select the correct option:
EASY
9th CBSE
IMPORTANT
Who amongst the following were contributors to the Cell Theory?
(i) Theodor Schwann
(ii) Matthias Schleiden
(iii) Robert Hooke
(iv) Robert Brown
Select the correct option:
EASY
9th CBSE
IMPORTANT
Elephants eat grass and both have cells.
Read the following sentences regarding cells, and identify the correct ones.
(i) Grass cells have cell walls and vacuoles.
(ii) Grass cells have cilia and chloroplast.
(iii) Elephant cells are bigger than grass cells.
(iv) Elephant cells have cell membranes and mitochondria.
Select the correct option:
EASY
9th CBSE
IMPORTANT
A mature plant cell has
(i) Cell wall
(ii) Plastids
(ii) Centrioles
(iv) Prominent golgi apparatus
Select the correct option:
