Plant Kingdom · Question 6

Given below are the stages in the life cycle of pteridophytes. Arrange the following stages in the correct sequence. Choose the correct answer from the options given below:

1. D, E, C, A, B
2. E, D, C, B, A
3. B, A, D, E, C
4. B, A, E, C, D

The correct sequence of events in the life cycle of bryophytes is Choose the correct answer from the options given below :

1. B, E, A, D, C
2. D, E, A, B, C
3. D, E, A, C, B
4. B, E, A, C, D

Read the following statements and choose the set of correct statements: In the members of Phaeophyceae, Choose the correct answer from the options given below:

1. A, B, C and D only
2. B, C, D and E only
3. A, C, D and E only
4. A, B, C and E only

Identify the incorrect pair :

1. Sphenopsida – Adiantum
2. Pteropsida – Dryopteris
3. Psilopsida – Psilotum
4. Lycopsida – Selaginella

Which of the following is the correct match?

1. Gymnosperms : Cedrus, Pinus, Sequoia
2. Angiosperms : Wolffia, Eucalyptus, Sequoia
3. Bryophytes : Polytrichum, Polysiphonia, Sphagnum
4. Pteridophytes : Equisetum, Ginkgo, Adiantum

Identify the pair of heterosporous pteridophytes among the following :

1. Selaginella and Salvinia
2. Psilotum and Salvinia
3. Equisetum and Salvinia
4. Lycopodium and Selaginella

Given below are two statements : One labelled as Assertion A and the other labelled as Reason R: In the light of the above statements, choose the most appropriate answer from options given below:

1. Both A and R are correct but R is NOT the correct explanation of A
2. A is correct but R is not correct
3. A is not correct but R is correct
4. Both A and R are correct and R is the correct explanation of A

Given below are two statements : One labelled as Assertion A and the other labelled as Reason R: In the light of the above statements, choose the correct answer from the options given below :

1. Both A and R are true but R is NOT the correct explanation of A
2. A is true but R is false
3. A is false but R is true
4. Both A and R are true and R is the correct explanation of A

Hydrocolloid carrageen is obtained from :

1. Chlorophyceae and Phaeophyceae
2. Phaeophyceae and Rhodophyceae
3. Rhodophyceae only
4. Phaeophyceae only

Which of the following is incorrectly matched?

1. Ectocarpus - Fucoxanthin
2. Ulothrix - Mannitol
3. Porphyra - Floridian Starch
4. Volvox - Starch