Seed development | free test 13 |standard 12|Sexual reproduction in flowering plants | NCERT| Biology

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

Seed development|reproduction in flowering plants|Free test| NCERT| standard 12| Biology

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Test 13

Seed development

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ફ્રી ટેસ્ટ

 (1) ______ is swollen in legumes.

A) pericarp

B) embryonal axis 

C) cotyledon

D) perisperm 

(2) In which of these perisperm is not present?

A) black pepper

B) groundnut 

C) beet 

D) none of the given

(3) A: micropyle is present as a small pore in seed coat

R: micropyle helps in entry of oxygen and water during germination

A) A and R both are correct, R is not true explanation for A.

B) A and R both are correct, R is true explanation for A

C) A and R both are wrong

D) A is wrong and R is correct 

(4) Which processes occur before the stage of seed dormancy?

1. Seed becomes dry

2. Seed undergoes dehydration 

3. Seed gets ready for germination

4. Metabolic activity of embryo gears up

5. Ovule transforms into seed

A) 1,3,4,5

B) 1,2,4

C) 2,3,4

D) 1,2

(5) In some plants, thalamus also takes part in formation of fruit. Such fruits are called as.... 

A) false fruits

B) aggregate fruits

C) true fruits

D) parthenogenic  fruits

(6) Make correct pairs for the given two sections.

Section A:

x - thick and swollen cotyledon 

y - unused Endosperm in mature seed 

z - unused nucellus in seed 

w - contribution of thalamus in fruit formation 

Section B:

i - Castor

ii - legumes

iii - cashew nut

iv - beet 

A) x-iii, y-iv, z-ii, w-i

B) x-i, y-iii, z-iv, w-ii

C) x-ii, y-i, z-iii, w-iv

D) x-ii, y-i, z-iv, w-iii

(7) In which of these albuminous seeds is not seen? 

A) corn 

B) castor 

C) wheat 

D) peas 

(8) Which of the following pair is not correct?

A) groundnut - ex-albuminous seed

B) beans - albuminous seed

C) peas - non-albuminous seed

D) rice - albuminous seed

(9) Identify P, Q, R and S respectively.

A) P- hypocotyl root axis, Q- seed coat, R- Endosperm, S- cotyledon 

B) P- root tip, Q- cotyledon, R- Scutellum, S- seed coat 

C) P- hypocotyl root axis, Q- seed coat, R- Scutellum, S- cotyledon 

D) P- root tip, Q- Scutellum, R- Endosperm, S- seed coat

(10) Indentify X.

A) cotyledon 

B) root tip 

C) shoot epical meristem 

D) perisperm 

 

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

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Urvi Bhanushali