Burlington junior college
Sub-Biology. Class-11Sci
Marks-20
Q.1) Multiple choice question: [03]
1). Lipids associated with cell membrane are ____________.
a) spingomyelin c) isoprenoids
b) phospholipid d) cholesterol
2) Amino acid in a polypeptide are joined by ______ bond
a) Di-sulphide bond b) glycosidic
c) hydrogen bond d) non of these
3) de-amination is a process called _________.
a) glycolysis c) protein metabolism
b) amino acid metabolism d) lipid metabolism
Q.2 Answer the following Question: [03]
i. what is herbarium ?
ii. what is museum ?
iii. define metabolism
Attempt any Three [06]
03) Explain the structure of protein ?
04) Explain the structure of DNA ?
05) distinguish between ammonotelism and ureatelism
07) explain the structure of lipid
Attempt [04]
08) sketch and labelled diagram of human kidney
09) explain polysaccharide with mono saccharide and di-saccharide
Attempt any One: [04]
11) Explain enzyme and its classification
12) Explain lock and key mechanism of an enzyme and effect of temperature on enzyme