Match each item in Column I with one in Column II and select the correct answer from the codes given:

Column I

Column II

A. Floridean starch

a. It is created by photosynthesis and is made up of β(1→3)-glucan with β(1→6)-branches

B. Laminarin

b. An α-linked glucose polymer with a degree of branching intermediate between amylopectin and glycogen

C. Mannitol

c. A sugar alcohol, an isomer of sorbitol

Codes

A B C
1. a b c
2. a c b
3. b a c
4. c b a

Subtopic:  Pheophyceae: Brown Algae | Rhodophyceae: Red Algae and Importance of Algae | Chlorophyceae: Green Algae |
 69%

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

In the given diagram of Funaria, what are A, B, C and D respectively?


1. Sporophyte, Gametophyte, Female branch, Male branch
2. Gametophyte, Sporophyte, Female branch, Male branch
3. Sporophyte, Gametophyte, Male branch, Female branch
4. Gametophyte, Sporophyte, Male branch, Female branch

Subtopic:  Bryophytes (Liverworts) |
 69%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


The given diagram shows:

1. Male thallus of Marchantia
2. Female thallus of Marchantia
3. Sphagnum sporophyte
4. Sphagnum gametophyte

Subtopic:  Bryophytes (Liverworts) |
 86%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


advertisementadvertisement

The given diagram shows:

1. Salvinia with A being antheridial branch and B being archegonial branch
2. Salvinia with A being archegonial branch and B being antheridial branch
3. Sphagnum with A being antheridial branch and B being archegonial branch
4. Sphagnum with A being archegonial branch and B being antheridial branch
Subtopic:  Pteridophytes |
 58%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Consider the given two statements:

I. The term ‘embryophytes’ is an appropriate synonym for plants.
II. The occurrence of a multicellular, matrotrophic embryo in plants from bryophytes through angiosperms.

1. Both I and II are correct and II explains I
2. Both I and II are incorrect but II does not explain I
3. I is correct but II is incorrect
4. Both I and II are incorrect

Subtopic:  General Account of Angiosperms (OLD NCERT) |
 50%

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

The bryophyte that plays a very important role in global carbon cycle is:
1. Funaria
2. Marchantia
3. Anthoceros
4. Sphagnum

Subtopic:  Bryophytes |
 60%

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

advertisementadvertisement

Consider the two trends in evolution of plants:

I. A reduction of vascular tissues occurs from gymnosperms and woody dicots to herbaceous dicots to monocots
II. The gametophytes of vascular plants have become smaller and simpler

1. Both I and II are correct
2. Only I is correct
3. Only II is correct
4. Both I and II are incorrect

Subtopic:  Gymnosperms: I |
 58%

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

Match each item in Column I with one in Column II and select the correct answer from the codes given:

A.

Algin

a.

Chondrus

B.

Agar

b.

Macrocystis

C.

Carregeenan

c.

Gelidium

Codes
   A B C
1. a b c
2. b c a
3. b a c
4. a c b

Subtopic:  Algae |
 61%

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

The seed of a gymnosperm is a complex structure with three generations locked up in it. Identify the correct match:

I. Female gametophyte: Old generation
II. Seed coat: Present generation
III. Embryo: Future generation

1. Only I
2. Only III
3. Only I and II
4. Only II and III

Subtopic:  General Accounts of Gymnosperms: II |

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

advertisementadvertisement

Which of the following is not true for the green alga Spirogyra?
1. Unbranched, filamentous and commonly found in stagnant fresh water bodies.
2. The filament is composed of large number of long, cylindrical cells placed one above the other in a single row.
3. The cells are characterised by long spiral ribbon-shaped chloroplasts with several pyrenoids.
4. There are multiple small vacuoles in each cell.

Subtopic:  Chlorophyceae: Green Algae |

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints