Endosperm developement| Embryo development | free test 11 |standard 12|Sexual reproduction in flowering plants | NCERT| Biology

 Sexual reproduction in flowering plants (New syllabus chapter 1 / old syllabus Chapter 2)

Endosperm developement| Embryo development|reproduction in flowering plants|Free test| NCERT| standard 12| Biology

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Test 12

Endosperm developement| Embryo development

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Endosperm development | Embryo development notes

(1) Maturation of ovule into _____ , whereas maturation of ovary into  ______.

A) seed, ovum

B) seed, fruit 

C) fruit, seed 

D) ovum, seed

(2) What is formed after division of PEC?

A) endosperm

B) embryo

C) endosperm tissue 

D) none of these

(3) Free nuclear endosperm ......

A) It is a phase of developement of embryo 

B) It is formed due to division of PEN 

C) Kernel of coconut 

D) All of the given 

(4) When does endosperm becomes cellular? 

A) when embryo gets created

B) when endosperm tissue gets formed

C) due to division of PEC 

D) when cell wall is formed after free nuclear endosperm

(5) X: Endosperm persist in the mature seed of peas.

Y: Endosperm persist in the mature seed of groundnut.

A) X correct, Y incorrect 

B) X and Y both correct 

C) X incorrect, Y correct 

D) X and Y both incorrect 

(6) Developement of embryo...

A) from zygote situated at micropylar end

B) from zygote situated at basal end 

C) from the cells of endosperm

D) A and C both

(7) What is X, Z and Y in given picture?

A) Primary Endosperm cell, Primary Endosperm Nuclei, synergids

B) Primary Endosperm cell, synergids, Primary Endosperm Nuclei

C) Primary Endosperm nuclei, antipodal cells, synergids 

D) Primary Endosperm Nuclei, synergids, antipodal cells 

(8) What does a typical monocotyledon have? 

A) one embryonal axis, two cotyledons 

B) one embryonal axis, one cotyledon

C) two embryonal axis, two cotyledons

D) two embryonal axis, one cotyledon

(9) Scutellum.....

A) cotyledon of grass family 

B) part of embryo situated at lateral side of embryonal axis 

C) part of embryo situated at ventral side of embryonal axis

D) A and B both

(10) What is the shape of portion below the cotyledons in dicotyledonous embryo?

A) cylindrical 

B) heart shaped

C) round

D) helical

We hope this test helped you with your knowledge. Also try to keep records  of time for solving these questions. This will help you doing faster solving.

Now check the answers of these questions from the below answer tally:

1- B, 2-C, 3-B, 4-D, 5-C, 6-A, 7-D, 8-B, 9-D, 10-A 

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