Class 12 | Biology | chapter 2 | Sexual Reproduction in Flowering Plants

Which of the following is absent in most of the monocotyledons? 1. Phloem parenchyma 2. Tracheids 3. Vessels 4. Xylem parenchyma

Ruhul Amin Alig

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

In which type of cells, C4 acids in maize are broken down to release CO2 and 3-carbon molecule? 1. In bundle sheath cells of C3 plant 2. In mesophyll cells of C4 plants 3. In bundle sheath cells of C4 plants 4. In mesophyll cells of C3 plant

Ruhul Amin Alig

PYQsNEET

The roots that originate from the base of the stem are (a) fibrous roots (b) primary roots (c) prop roots (d) lateral roots. (NEET 2020)

Ruhul Amin Alig

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

Solanaceae

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

human

Embryo sac of angiosperms (1) Has 3 synergids and 2 antipodal cells (2) Has three celled egg apparatus (3) Is a 8 celled and 7 nucleate structure (4) Has three antipodal cells at micropylar end

Ruhul Amin Alig