Choose the correct statement regarding lock and key model...? Mcqs

Latest MCQs

Choose the correct statement regarding lock and key model...?

(A) Enzyme and substrate posses' specific complementary geometric shapes
(B) Active site of enzyme is flexible

(C) Active site continuously changes
(D) All above statements are correct

Latest MCQs

The SI unit of Heat is________...?

(A) Watt
(B) Volt

(C) Joule
(D) Newton

Latest MCQs

_______ are used to put satellites into orbits....?

(A) Helicopter
(B) Aeroplane

(C) Rocket
(D) None of these

Latest MCQs

The activity in relation to changes in environment is ______...?

(A) Stimulus
(B) Response

(C) Both a & b
(D) None of these

Latest MCQs

Transistor is a device that convert weak signal into__________...?

(A) small signal
(B) strong signal

(C) both
(D) none

Latest MCQs

Select the odd one of the followings...?

(A) Active transport
(B) Diffusion

(C) Facilitated diffusion
(D) Osmosis

Latest MCQs

Humming bird belongs to a category called ...?

(A) Ectotherm
(B) Endotherm

(C) Exotherm
(D) Heterotherm.

Latest MCQs

What is the percentage of salt water on earth surface...?

(A) 93%
(B) 95%

(C) 97%
(D) 76%

Latest MCQs

Which gas is transported out of the leaf into the air...?

(A) Carbon Dioxide (CO2)
(B) Nitrogen (N2)

(C) Water Vapor (H2O)
(D) Oxygen (O2)

Latest MCQs

The only living cells in the body without blood supply is___________...?

(A) Pupil
(B) Nail

(C) Cornea
(D) Hair

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