Standard 11 | free test 12 | Plant Kingdom | Plant life cycles and alternation of generations | Short Note For NEET BIOLOGY

 

Chapter 3: Plant kingdom

Plant Kingdom | Plant life cycles and alternation of generations |free test| test for NEET BIOLOGY| standard 11

Test 12

Plant life cycles | alteration of generations

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Alteration of generations notes

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(1) Choose the correct statement for alteration of generations.

A) generations of plant keep alternating between male and female plant body.

B) Two plant bodies occur one after another.

C) Diploid gametophyte and haploid sporophyte keep doing alterations.

D) both B and C

(2) A: In plants both haploid and diploid cells can divide by meiosis.

R: So, haploid and diploid plant bodies can form 

A) A and R both sentances are correct, A is true explanation of R

B) A and R both sentances are correct, A is not true explanation of R

C) A is correct statement, R is incorrect statement

D) R is correct statement, A is incorrect statement.

(3) Haploid plant body represents ______ and diploid plant body represents ______ respectively.

A) sporophyte and gametophyte

B) gametophyte and sporophyte

C) Zygote and sporophyte

D) both B and C

(4) In Volvox _______ generation is not free living.

A) Haploid spore

B) Gametophyte

C) Sporophyte

D) Zygotic

(5) First cell representative of gametophytic generation is

A) Zygote

B) Oospore

C) Spore Mother cell

D) Spore

(6) First cell representative of sporophytic generation is 

A) Zygote

B) Oospore

C) Spore Mother cell

D) Spore

(7) The type of cycle in which there is no free living sporophyte and dominant, photosynthetic phase in such plant is free living gametophyte, we are talking about:

A) Haplontic life cycle shown in Volvox and some species of Chlamydomonas

B) Diplontic life cycle shown in seed bearing plants

C) Haplo-diplontic life cycle as shown in bryophytes & pteridophytes

D) Haplo-diplontic life cycle as shown in Kelps

(8) The life cycle pattern shown in the given diagram is not seen in ______.

A) Chlamydomonas

B) Spirogyra

C) Volvox

D) Ectocarpus

(9) Male and female gametophytes are independent and free-living in ....

A) Mustard

B) Castor

C) Pinus

D) Sphagnum

(10) The life cycle is not Haplo-diplontic in:

A) Bryophytes

B) Pteridophytes

C) Polysiphonia

D) Fucus 

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

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