FSC PART 1 BIOLOGY CHAPTER 3
Fsc part 1 Biology chapter 3|11th biology chapter wise questions|1st Year Biology Papers Chapter Wise|11th Biology MCQs|1st year Biology Short and Long questions|F.sc part 1 Biology papers chapter wise||11th Biology Chapter Wise Important MCQs,Short and Long Questions|First year biology mcqs chapter wise pdf|Short questions of biology 1st year chapter 1|Fsc part 1 Biology chapter 3.
FSC PART 1 BIOLOGY CHAPTER 3 Important Long Questions
1. Enzymes
are produced in inactive form by the cell and enclosed in membrane bound
structure called
(a) Mesosomes
(b) Lysosomes
(c) Peroxisomes
(d) Dictyosomes
2. The
optimum pH for sucrase enzyme is
(a) 2
(b) 4.50
(c) 5.50
(d) 6.80
3. The
essential raw materials from which co-enzymes made are
(a) Metal Ions (b)
Vitamins
(c) Proteins (d)
Carbohydrates
4. Mechanism
of enzyme active is referred to as
(a) Activation energy
(b) Catalysis
(c) Enzyme
specifity
(d) Denaturation
5. An
activated enzyme enzyme made of plypeptide chain & co-factor is
(a) Substrate
(b) Co-enzyme
(c) Apoenzyme
(d) Holoenzyme
6. The
reversible inhibitors usually constitute
(a) Strong linkage with enzyme
(b) No linkage with enzyme
(c) Weak linkage with enzyme
(d) Medium linkage
C). Answer
Any 6 Short Questions Out of 8
1. Define
catalysis?
2. Describe
lock & key model of enzyme action
3. How do
low & High temp affects the enzyme action
4. What is
the effect of cyanides, antibodies &
antimetabolites on enzyme?
5. What
would happen to enzyme-controlled reaction if enzymes are absent.
6. How an
enzyme recognizes its substrate?
7. In which
way the change in PH affect the enzyme activity.
8. What is
optimum Ph of salivary amylase?
Subjective.
(a) What
are enzymes? Give their characteristics.
(b) Give the two ideas proposed about the
formation of enzyme substrate complex.
(c) Define Cofactor, poenzyme, Substrate,
Competitive inhibitor.
(d) What
are inhibitors? How do they effect enzyme? Give their types.
#Fsc part 1 Biology chapter 3
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