Polysaccharides

Q.

What is the phosphodiester bond and how is it drawn?

Q.

What are gums made of? Is Fevicol different?

Q.

What is supporting tissue?

Q.

Explain about all the fibers and cells present in connective tissues in detail.

Q.

Match the following:-

a) endoplasmic reticulum I) synthesis and storage of lipids

b)sphaerosome II)detoxification of drugs

Q. Lack of blood supply and presence of the non-cellular basement membrane are characteristics of the

1. Muscular tissue
2. Fluid connective tissue
3. Epithelial tissue
4. Nervous tissue

Q.

Give the general formula of monosaccharides and disaccharides.

Q. Blood is classified as a _____ tissue because it has cells embedded in a matrix.

1. epithelial
2. muscle
3. nervous
4. connective

Q.

What type of polymer is glucose?

Q.

Ferns reproduce through

1. Budding

2. Spore formation

3. Fragmentation

4. None of these

Q.

What are the major components of fluid connective tissue ?

1. Platelets

2. RBC, WBC

3. Plasma

4. All

Q. Cellulose and chitin are carbohydrates while starch and glycogen are carbohydrates.

1. storage
2. structural
3. simple
4. branched

Q. How to make crotonic acid from crotonic aldehyde? N mention an oxidizing agent which donot oxidize double bond, .

Q. Total no. Of 2centre-2electron bond present in Al2Cl6 and show their presence

Q.

Which of the following statement(s) is false, regarding Carbohydrates?

I. A polysaccharide is a branched or unbranched polymer of monosaccharides.
II. Many polysaccharides are sweet and are micromolecules .
III. Polysaccharides are insoluble in water and significant in storage and structural purposes.
IV. Polysaccharides are formed by glycosidic linkages of the monosaccharide units.

1. I

2. II & III

3. II only

4. IV

Q. Select the correct statement(s) for polysaccharides.

1. A polysaccharide is a branched or unbranched polymer of monosaccharides.
2. Many polysaccharides are sweet and are micromolecules .
3. Polysaccharides are insoluble in water and significant in storage and structural purposes.
4. Polysaccharides are formed by glycosidic linkages of the monosaccharide units.

Q.

Can humans digest amylopectin?

Q.

Arzyrophill fibres are present in

1) Spleen 2) Ligament 3) Tendons 4) Blood vessel

Q. A complex polysaccharide produced from sucrose by the bacterium Leuconostoc mesenteroides is:

1. Chitin
2. Starch
3. Cellulose
4. Dextran

Q.

What is the meaning of diatom?

Q. The somatic phase of slime moulds lacks:

1. Cell wall
2. Nucleus
3. Cytoplasm
4. Cell membrane

Q. Choose the group of polysaccharides.

1. Starch, glycogen, cellulose
2. Sucrose, maltose, glucose
3. Glucose, fructose, lactose
4. Galactose, starch, sucrose

Q. Alga-like, branched, filamentous body produced by germination of spore in Funaria is called:

1. Secondary protonema
2. Chloronema
3. Caulonema
4. Primary protonema

Q. Which of the following algae contains mannitol as reserve food material?

1. Ulothrix
2. Ectocarpus
3. Gracilaria
4. Volvox

Q. In order to isolate DNA from the cell, various enzymatic treatments are given in order to dissolve the cell wall (if present), cell membrane and other biomolecules.

A cell is treated with a particular enzyme to dissolve the peptidoglycan layer in the cell wall. This cell will have

1. membrane bound cell organelles
2. 80S ribosomes
3. plasmids
4. nuclear membrane

Q. Types of bonds present in sulphuric anhydride

Q. A complex polysaccharide produced from sucrose by the bacterium Leuconostoc mesenteroides is:

1. Chitin
2. Starch
3. Cellulose
4. Dextran

Q.

Why are lysosomes commonly called as the ‘suicidal bags’ of the cell?

Q. State whether the following statements are true/false.

Destarching of a plant leaf can be done by blocking the sunlight from reaching the leaf surface using black strips.

Q. what would happen when plasma membrane raptures or breakdown