Biomolecules Test
Biomolecules
This is Biomolecules Test-05 for CBSE class 11 Biology.. There are 15 questions in this test with each question having around four answer choices.
Questions & Answers
1
The number of substrate molecules changed per minute by a molecule of enzyme is called
- AFinal number
- BNome of these
- CEnzyme reaction number
- DTurn over numberCorrect
2
Monoterpene esters called pyrethoids found in flowers and leaves of chrysnthemumare used commercially for making
- APerfumes
- BInsecticidesCorrect
- CDrugs All of these
3
The inhibition of enzyme activity by the presence of a chemical that competes with the substrate for binding to the active site of the enzyme is called
- ANone-competitive inhibitor
- BSubstrate analogueCorrect
- CIrreversible inhibition
- DReversible inhibition
4
Select the group of fat soluble vitamins from the followings
- AVitamins A,B,C and D
- BVitamins B,C,D and K
- CNone of these
- DVitamins A,D,E and KCorrect
5
Enzymes functional inside the living cells are called
- ACoenzymes
- BHoloezymes
- CExoenzymes
- DEndoenzymesCorrect
6
Polysaccharide does not metabolised in human body and used for kidney function is
- AFructose
- BGluctose
- CInulinCorrect
- DChitin
7
Metal ions required for functioning of enzyme is
- ACo-factorCorrect
- BCo-enzyme
- CHoloenzyme
- DProsthetic group
8
Which is the cofactor for the proteolytic enzyme carboxypeptidase?
- AMagnesium
- BCopper
- CZincCorrect
- DMercury
9
The enzymes show high activity at
- AOptimum temperatureCorrect
- BNone of the above
- CHigh temperature
- DLow temperature
10
In yeast, during fermentation the glycolysis pathway leads to
- AProduction of ethanolCorrect
- BProduction of oxygen
- CProduction of pyruvic acid
- DProduction of glucose
11
Enzymes catalysing in the link together of two compounds are
- ALigasesCorrect
- BLyases
- CHydrolases
- DIsomerases
12
The protein portion of an enzyme is called as
- ACo-enzyme
- BProsthetic group
- CApoenzymeCorrect
- DCofactors
13
Nicotinamide can be synthesised in human body from
- ATryptophanCorrect
- BFructose
- CTyrosine
- DLactose
14
Important site for formation of glycoproteins and glycolipids is
- APlastids
- BVacuoles
- CGolgi apparatusCorrect
- DLysosomes
15
Most abundant mineral in body fluids are
- A\(C{a^{2 + }}\) and \({O^{2 - }}\)
- B\(M{g^{2 + }}\) and \({I^ - }\)
- C\(N{a^ + }\) and \(M{g^{2 + }}\)
- D\(N{a^ + }\) and \(C{l^ - }\)Correct