MCQ ON GYMNOSPERM class 11 for NEET

MCQ ON GYMNOSPERM class 11 for NEET | MCQ ON NEET Biology class 11th 2022 | MCQ for class 11 Biology chapter 3 , , GYMNOSPERM with answer | Check the below NCERT MCQ question for class 11 Biology chapter 3 – GMNOSPERMS with answers.

MCQ ON GYMNOSPERM class 11 for NEET

MCQ Questions for class 11 Biology with Answers were prepared based on the latest pattern.

We have provided class 11 Biology MCQs questions on GMNOSPERMS with answers to help students understand the concept very well.MCQ on is useful for NEET/ CSIR/ UGC/ CBSE/ ICSE / AIIMS EXAM/AFMC EXAM/STATE LEVEL MEDICAL EXAM 2022-23

Introduction:-

Gymnosperm are plants in which the ovules are not enclosed by any ovary wall and remain exposed,both before and after fertilization.The seeds that develop post -fertilisation ,are not covered are naked . Gymnosperm include medium sized trees or tall tree and shrubs.One of the gymnosperm ,the giant redwood tree Sequoia is one of the tallest tree species.The roots are generally tap roots.

MCQ ON ON GYMNOSPERM for NEET

1.Conifers are adapted to tolerate extreme environmental conditions because of

(a) broad hardy leaves
(b) superficial stomata
(c) thick cuticle
(d) presence of vessels

Ans.(c) thick cuticle

2. Cycas is classified as
gymnosperm due to its

(a) motile sperms
(b) fruit formation
(c) naked ovule
(d) phycnoxylic wood

Ans.(c) naked ovule

3. Gymnosperms are also called soft wood spermatophytes because they lack

(a) Cambium
(b) Phloem fibres
(c) Thick walled tracheids
(d) Xylem fibres

Ans.( d) Xylem fibres

4. Cycas and Adiantum resemble each other in having :

(a) Seeds
(b) Motile sperms
(c) Cambium
(d) Vessels

Ans.(b) Motile sperms

5. Pollen grains in pinus are

(a) Monosaccate
(b) Bisaccate
(c)Tri-saccate
(d) Non-saccate

Ans.(b) Bisaccate

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6. In which of the following features cycas resemble with angiosperms

(a) presence of vessels
(b) circinate vernation
(c) Dichtomously branched leaves
(d) pollen tube is the carrier of male gametes

Ans.(d) pollen tube is the carrier of male gametes.

7.Top shaped multiciliated male gametes and the mature seed which bears only one embryo with two cotyledons,are characteristic features of

(a) cycas
(b) Polypetalous angiosperm
(c) Conifers
(d) Gamopetalous angiosperms

Ans.(c) conifers

8.Living fossil is

(a) Ginkgo biloba
(b) Gnetum ulva
(c) Gnetum ulva
(d) pinus roxburghii

Ans.(a) Ginkgo biloba

9. In cycas , pollination takes place in

(a) 3- celled stage
(b) 4 -celled stage
(c) 2-celled stage
(d) 1 -celled stage

Ans.(a) 3-celled stage

10. Which of the following is not the features of gymnosperm?

(a) Parallel venation
(b) Perennial plants
(c) Distinct branches
(d) Xylem with vessels

Ans.(d) Xylem with vessels.

11. Coralloids roots are found in

(a) Pinus
(b) Cycas
(c) Ginkgo
(d) all the above

Ans.(b) Cycas

12. Sago starch found in

(a) cycas
(b) pinus
(c) resins
(d) tannins

Ans.(a) cycas

13. Chilgoza dry fruit found in

(a) Pinus gerardiana
(b) Ephedra
(c) Cycas
(d) Amber

Ans.(a) Pinus gerardiana

14. Ephedrine is an alkaloid found in

(a) cycas
(b) pinus
(c) ephedra
(d) all the above

Ans.(c)ephedra

15.Turpentine obtained from species of

(a) Pinus
(b) Cycas
(c) Sago
(d) Dryopteris

Ans.(a) Pinus

16.The conifers are usually

(a) deciduous
(b) monoecious
(c) homogenous
(d) heterogeneous

Ans.(b) monoecious

17. Reptiles of plant kingdom

(a) Pinus
(b) Cycas
(c) Conifers
(d) Gelidium

Ans.(b) Cycas

18.Panda of vegetable kingdom

(a) Pinus
(b) Cycas
(c) Conifers
(d) all the above

And.(b) Cycas

19. Seed plant without fruits

(a) Angiosperm
(b) Gymnosperm
(c) Bryophytes
(d) Algae

Ans.(b) Gymnosperm

20. Taxol is anticancer drug obtained from

(a) Chilgoza
(b) Ephedra
(c) Equisetum
(d) Taxus

Ans.(d) Taxus