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

What is helpful in active transport ?

Lipid

Membrane proteins

Inhibitors

ADP

2 / 25

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

Nucleolus

Mitochondria

Nucleus

Cytoplasm

3 / 25

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

That which is insoluble in lipids

That which is soluble in lipids

That which is soluble both in lipids and proteins

That which is soluble in proteins.

4 / 25

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

Transport rate reaches maximum

Transport rates becomes minimum

Transport will stop

Transport rate is not affected

5 / 25

Carrier proteins in the membrane are sensitive to:

All of the above

Catalysts

Competitors

Inhibitors

6 / 25

Facilitated Diffusion depends on:

Concentration

Pressure

Molecular size

Number of molecules

7 / 25

What is the type of transportation in Xylem ?

Unidirectional

Amphibolic

Bidirectional

Descending

8 / 25

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

Proteins in the membrane

Sugars in the membrane

Lipids in the membrane

Inhibitors in the membrane

9 / 25

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

yw = yp + yg

yw = ys + yp

yw = ys + yg

yw = yp + ys + yg

10 / 25

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

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 proteins and checks the passage of large sized protein like molecules

Made up of sugar and checks the passage of micromolecules

11 / 25

What is correct for active transport ?

Takes place with the help of membrane proteins

It is along the concentration gradient

None of the above

Energy is not utilised

12 / 25

Which plant has more than 92% water content ?

Maize

Mustard

Trapa

Water Melon

13 / 25

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

Upward transport

Usage

Both of the above

None of the above

14 / 25

Which characteristic is not of frog?

Heart is trilobed

Presence of liver and renal portal system

Every fore limb with five fingers which are long

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

15 / 25

Plants absorb water from soil, through:

Root hair

Leaf hair

Stem hair

Cambial ring

16 / 25

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

Saponification

Emulsification

Removes acidity of chyme

Destroys micro-organisms

17 / 25

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

52 %

75 %

57 %

25 %

18 / 25

Potential energy of water means:

Mechanical energy

Water potential

Chemical energy

Kinetic energy

19 / 25

Long distance transport of sap is done by:

Cytoplasmic streaming

Diffusion

Vascular tissues

Meristematic tissue

20 / 25

What is incorrect for diffusion?

It is an active transport

It is along with the concentration gradient

It is passive transport

No energy is utilized

21 / 25

How are growth hormones transported in plants ?

Bidirectional

Amphibolic

Polar

Bipolar

22 / 25

Membrane proteins are not helpful in

Active transport

Passive transport

Facilitated diffusion

Simple diffusion

23 / 25

Facilitated diffusion requires:

Gradient

Energy

Saturation

Pressure

24 / 25

What is correct for carrier proteins ?

They transport only positive ions across the membranes

They transport only selected solutes across the membrane

They only transport negative ions across the membrane

They transport all types of ions across the membrane

25 / 25

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

Lipid

Protein

Complex protein

Sugar

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