PPSC Lecturer Biology Test 80 Online Preparation MCQs

Leave a Comment / By Hassan / August 5, 2021

Given below on this Website Online Free Taleem is free online MCQ’s test related to PPSC of Lecturer Biology. All the individuals who are going to appear in PPSC Lecturer of Biology written test can attempt these tests in order to prepare for it in best possible way. Our tests include all the important questions MCQs of Lecturer of PPSC Biology, all Past Papers of Lecturer of Biology PPSC that have extremely high amount of chances for been included in the actual exam which make our test undoubtedly the best source of preparation.

Note:-

There will be 25 multiple choice question in the test.
Answer of the questions will change randomly each time you start this test.
Practice this test at least 5 times if you want to secure High Marks.
At the End of the Test you can see your Test score and Rating.
If you found any incorrect answer in Quiz. Simply click on the quiz title and comment below on that MCQ. So that I can update the incorrect answer on time.

Please Click Below START Button to Take this Lecturer Biology Test Online.

Test Instructions:-
Test Name	Lecturer Biology
Subject	Biology Test 80
Test Type	MCQs
Total Questions	25
Total Time	20 Minutes
Total Marks	100

You have 20 minutes to pass to the quiz.

PPPSC LECTURER BIOLOGY ONLINE PRACTICE TEST NO. 80

1 / 25

Which of the following solutes is transported rapidly across the plasma membrane ?

That which is soluble both in lipids and proteins

That which is soluble in lipids

That which is soluble in proteins.

That which is insoluble in lipids

2 / 25

What is correct for carrier proteins ?

They only transport negative ions across the membrane

They transport only selected solutes across the membrane

They transport all types of ions across the membrane

They transport only positive ions across the membranes

3 / 25

In the cytoplasm of the plant cell, what is the percentage of dry matter, excluding water ?

52 %

57 %

25 %

75 %

4 / 25

The water potential in the leaves of Tradescantia can be measured by:

yw = yp + yg

yw = yp + ys + yg

yw = ys + yg

yw = ys + yp

5 / 25

Which characteristic is not of frog?

Every fore limb with five fingers which are long

Heart is trilobed

Skin of frog is moist, smooth, slimy and without exoskeleton

Presence of liver and renal portal system

6 / 25

Carrier proteins in the membrane are sensitive to:

Catalysts

Competitors

Inhibitors

All of the above

7 / 25

Which part of the plant cell contains 75% of water?

Nucleolus

Cytoplasm

Mitochondria

Nucleus

8 / 25

What is incorrect for diffusion?

No energy is utilized

It is along with the concentration gradient

It is an active transport

It is passive transport

9 / 25

Potential energy of water means:

Mechanical energy

Chemical energy

Water potential

Kinetic energy

10 / 25

Long distance transport of sap is done by:

Cytoplasmic streaming

Meristematic tissue

Diffusion

Vascular tissues

11 / 25

Plants absorb water from soil, through:

Stem hair

Cambial ring

Root hair

Leaf hair

12 / 25

Facilitated diffusion requires:

Energy

Gradient

Saturation

Pressure

13 / 25

Plasma membrane has one of the following as the main component:

Sugar

Protein

Lipid

Complex protein

14 / 25

Which one is not the function of Gall bladder of frog ?

Emulsification

Destroys micro-organisms

Saponification

Removes acidity of chyme

15 / 25

What is helpful in active transport ?

Inhibitors

Membrane proteins

Lipid

ADP

16 / 25

Membrane proteins are not helpful in

Passive transport

Facilitated diffusion

Active transport

Simple diffusion

17 / 25

What is correct for active transport ?

Takes place with the help of membrane proteins

Energy is not utilised

It is along the concentration gradient

None of the above

18 / 25

How are growth hormones transported in plants ?

Amphibolic

Bipolar

Bidirectional

Polar

19 / 25

Facilitated Diffusion depends on:

Concentration

Molecular size

Number of molecules

Pressure

20 / 25

What are porins made up of ? And what is their function?

Made up of proteins and checks the passage of large sized protein like molecules

Made up of lipids and passes solutes through the membrane

Made up of proteins and allows the passage of large sized protein like molecules

Made up of sugar and checks the passage of micromolecules

21 / 25

What is the type of transportation in Xylem ?

Descending

Bidirectional

Amphibolic

Unidirectional

22 / 25

In active transport what will happen when all the protein transporters are being used.

Transport rate is not affected

Transport rate reaches maximum

Transport will stop

Transport rates becomes minimum

23 / 25

What helps in the passage of hydrophilic solutes through the plasma membrane ?

Proteins in the membrane

Lipids in the membrane

Inhibitors in the membrane

Sugars in the membrane

24 / 25

Which plant has more than 92% water content ?

Water Melon

Trapa

Maize

Mustard

25 / 25

Organic matter synthesized in the leaves is transported to the stem and roots, for the purpose of:

None of the above

Upward transport

Both of the above

Usage

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PPSC Lecturer Biology Test 80 Online Preparation MCQs

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