Cellulose

Q.

Why are cattle able to digest cellulose?

1. the microbial flora in their stomachs secrete cellulase

2. the enzymes in their saliva can break down cellulose

3. their digestive enzymes degrade cellulose to its monomeric units

4. their digestive enzymes convert cellulose to glycogen

Q. Which is the most abundant biomolecule found on the earth?

1. Proteins
2. Cellulose
3. Steroids
4. Lipids

Q.

Urea synthesis takes place primarily in the liver because

1. NH₃ and CO₂ are present in the liver only.

2. Enzyme arginase is present in the liver only.

3. The kidney is smaller than the liver.

4. Hormone ADH is found in the liver only.

Q.

Which of the following is necessary for phosphorylation reactions?

1. Na

2. K

3. P

4. S

Q. Cellulose, the most important constituent of the plant cell wall is made up of:

1. Unbranched chain of glucose molecules linked by an alpha 1, 4-glycosidic bond
2. Branched chains of glucose molecules linked by a beta 1, 4-glycosidic bond in the linear chains and alpha 1, 6- glycosidic bond at the sites of branching
3. Unbranched chain of glucose molecules linked by beta 1, 4-glycosidic bond
4. Branched chains of glucose molecules linked by alpha 1, 6- glycosidic bond at the site of branching

Q.

Edible part of cauliflower is

1. bud

2. inflorescence

3. flower

4. fruit

Q. Are glycogen and glucogen same?
How this is related with glyconeolysis, gluconeogenesis and glycogenesis?

Q.

Which of the following is an essential element for all plants?

1. silicon

2. sodium

3. lead

4. molybdenum

Q.

The process based on the Greek root words for "sugar" and "splitting" is

1. metabolism

2. phosphorylation

3. fermentation

4. glycolysis

Q. Similarity between echinoderms and chordates is

1. Deuterostomatic tube-within-a-tube plan
2. Protostomatic tube-within-a-tube plan
3. Water vascular system
4. Kidneys

Q. How many of the following given in the box below may be present in the duct guarded by sphincter of Oddi?
$\begin{array}{c}\text{Lipases, Rennin, Dipeptidases, Amylase, Enterokinase, Trypsinogen, Chymotrypsinogen, Bile}\end{array}$

1. Three
2. Four
3. Five
4. Six