Class 11 | Biology | chapter 11 | Transport in Plants

Which of the following pairs of the cell structures are important for determining the movement of molecules in or out of the plant cell? (a) Tonoplast + Vacuolar membrane (b) Tonoplast + Cell membrane (c) Cell wall + Cell membrane (d) Cell wall + Tonoplasts

Ruhul Amin Alig

cobalt

Cobalt: Case Study NEET from NCERT

Ruhul Amin Alig

cobalt

Which of the following compound is used to study water loss from a leaf and turns colour on absorbing water? (a) Calcium chloride (b) Magnesium chloride (c) Cobalt chloride (d) Sodium chloride

Ruhul Amin Alig

Class 11 | Biology | chapter 11 | Transport in Plants

The following statements are associated with translocation of mineral ions. (i) Mineral ions are slowly remobilised. (ii) Younger leaves export most of their minerals content to older leaves. (iii) Elements most readily mobilised are P, S, N and K. (iv) Some elements that are structural components like calcium are not remobilised. Which of the above statements are correct?

Ruhul Amin Alig

Class 11 | Biology | chapter 6 | Anatomy Of Flowering Plants

Gymnosperm [ one shot from NCERT]

Ruhul Amin Alig

Class 11 | Biology | chapter 6 | Anatomy Of Flowering Plants

In Gymnosperm, endosperm is formed by (a) fusion between a male gamete and two polar nuclei. (b) fusion between a male gamete and a polar nuclei. (c) fusion between egg and male gamete. (d) germination of megaspore.

Ruhul Amin Alig

Class 11 | Biology | chapter 6 | Anatomy Of Flowering Plants

Function of companion cells is (a) providing energy to sieve elements for active transport (b) providing water to phloem (c) loading of sucrose into sieve elements by passive transport (d) loading of sucrose into sieve elements

Ruhul Amin Alig

Class 11 | Biology | chapter 6 | Anatomy Of Flowering Plants

Perierm [100% from NCERT]

Ruhul Amin Alig

Class 11 | Biology | chapter 6 | Anatomy Of Flowering Plants

Cortex [100% From NCERT]

Ruhul Amin Alig