(c) Elements with valency 1 are either metals or non-metals. For example, sodium has a valency + 1 and chlorine has a valency - 1. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-4/
(c) Elements with valency 1 are either metals or non-metals. For example, sodium has a valency + 1 and chlorine has a valency – 1.
(d) Plasma membrane is a bilayer made up of proteins and lipids. On the outer side of the membrane glucose units are attached to it. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-5/
(d) Plasma membrane is a bilayer made up of proteins and lipids. On the outer side of the membrane glucose units are attached to it.
(d) Protoplasm refers to all the contents inside the cell membrane (Cytoplasm is protoplasm -nucleus). https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-5/
(d) Protoplasm refers to all the contents inside the cell membrane (Cytoplasm is protoplasm -nucleus).
Elements with valency 1 are
(c) Elements with valency 1 are either metals or non-metals. For example, sodium has a valency + 1 and chlorine has a valency - 1. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-4/
(c) Elements with valency 1 are either metals or non-metals. For example, sodium has a valency + 1 and chlorine has a valency – 1.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-4/
See lessTonoplast is a differentially permeable membrane surrounding the
(b) Vacuole are bounded by a membrane called tonoplast. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-5/
(b) Vacuole are bounded by a membrane called tonoplast.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-5/
See lessCarbohydrates are present in the plasma membrane in the form of
(d) Plasma membrane is a bilayer made up of proteins and lipids. On the outer side of the membrane glucose units are attached to it. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-5/
(d) Plasma membrane is a bilayer made up of proteins and lipids. On the outer side of the membrane glucose units are attached to it.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-5/
See lessWhich of the following statements are false?
(d) Protoplasm refers to all the contents inside the cell membrane (Cytoplasm is protoplasm -nucleus). https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-5/
(d) Protoplasm refers to all the contents inside the cell membrane (Cytoplasm is protoplasm -nucleus).
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-5/
See lessDalton’s atomic theory successfully explained. (i) Law of conservation of mass. (ii) Law of constant composition. (iii) Law of radioactivity. (iv) Law of multiple proportion.
(d) Law of radioactivity has nothing to do with Dalton's atomic theory. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-4/
(d) Law of radioactivity has nothing to do with Dalton’s atomic theory.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-4/
See less