FSC Biology Full Book MCQs Test 4


Entry test 2023 contains most of the Biology MCQs. FSC Pre-Medical Part 2 Biology book MCQs. HSSC bio questions MCQs. Solved Chapterwise Biology MCQs for first-year 12 class MCQs and 11 class MCQs. Second-year and first-year Biology textbooks chapter-wise MCQs with the answer are provided here. The Biology portion is helpful in MDCAT 2023, NTS NAT 2023, and NUST 2023. PakLearningSpot PLS MCQs Bank website for FREE Entry test preparations




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MDCAT Practice Tests

Biology Practice Test 4

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Category: Biology

Q.50 How does each photoexcited electron pass from PS1 to PS2?

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Category: Biology Ch 5 Class 11

HIV is also known as:

NUMS 2014
Biology
Bio-diversity | Variety of Life
Elimination Tool:

3 / 100

Category: Biology Ch 13 Class 11

Hemoglobin can absorb maximum oxygen at sea level, which is _____ ml/100 ml of blood.

NUMS 2019 Cancelled
Biology
Gaseous Exchange
Elimination Tool:

4 / 100

Category: Biology Ch 3 Class 11

Non-protein but inorganic, detachable co-factors are called ______:

NUMS 2020
Biology
Enzymes
Elimination Tool:

5 / 100

Category: Biology

The hormone which controls the uptake of Sodium ions in kidney and its maintenance in blood plasma is:

NUMS Mock 2
Biology
Coordination and Control

6 / 100

Category: Biology Ch 10 Class 11

Which one of the following coelenterate is also called the Portuguese man of war?

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool:

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Category: Biology Ch 4 Class 12

Which of the following hormones of the pituitary gland regulates the menstrual cycle?

PMC 2020
Biology
Reproduction
Elimination Tool:

8 / 100

Category: Biology Ch 10 Class 12

The following observations refer to evolution:

Inherited variations which are favored in a particular environment are passed on
There is a struggle for existence
Across time, inherited variations may accumulate causing gradual changes in the organism
Although populations tend to overproduce, they remain more or less constant in numbers from generation to generation
In what sequence should the statement be placed to support the Darwin theory of evolution?

NTS 2015 DUHS and JSMU
Biology
Evolution
Elimination Tool:

9 / 100

Category: Biology

Q.6 Outbreeding increases which of the following?

10 / 100

Category: Biology Ch 4 Class 11

In which type of cells, cell wall is not present?

PMC 2020
Biology
Cell Structure and Function
Elimination Tool:

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Category: Biology

Q.12 The least stable RNA present in the cell is:

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Category: Biology Ch 12 Class 11

Autotrophic organisms can exist in an exclusively ______ environment.

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Category: Biology Ch 9 Class 11

A sponge of Antarctica which is more than a meter tall is known as?

PMC Sample 3
Biology
Kingdom Plantae
Elimination Tool:

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Category: Biology Ch 2 Class 12

Which of the following statement about an arthropod exoskeleton is incorrect?

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Category: Biology Ch 11 Class 12

Which statement is true?

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Category: Biology

Population growth is checked by which of the following?

NUMS Mock 3
Biology
Evolution

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Category: Biology Ch 1 Class 12

Among the followings which is the most longest supportive cell?

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Category: Biology

Q.35 Enzymes for light-dependent reactions of photosynthesis would most likely be associated with:

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Category: Biology

Q.2 Prokaryotic and eukaryotic cells generally have which of the following features in common?

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Category: Biology Ch 14 Class 11

Autoimmune diseases act at the principle of:

NUMS 2020
Biology
Transport
Elimination Tool:

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Category: Biology Ch 6 Class 11

Which of the following bacteria are without a cell wall?

NUMS 2016
Biology
Kingdom Prokaryote
Elimination Tool:

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Category: Biology

Which bond is present between the nucleotides of DNA:

NUMS Mock 4
Biology
Chromosomes and DNA

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Category: Biology

Q.38 Which of the following best describes a coenzyme?

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Category: Biology Ch 6 Class 12

DNA has a helical shape with the diameter of

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Category: Biology Ch 1 Class 12

Which excretory product in produced in plants during autotrophic mode of life?

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Category: Biology Ch 9 Class 11

Brassica and rosa plant belong to the group of plants:

NUMS 2017
Biology
Kingdom Plantae
Elimination Tool:

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Category: Biology Ch 7 Class 11

Which of the following statement about eiliates in incorrect?

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Category: Biology Ch 11 Class 12

Study of relationship of organisms to their environment is

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Category: Biology Ch 4 Class 12

Which disorder among the following CANNOT be detected by amniocentesis?..

NTS 2019
Biology
Reproduction
Elimination Tool:

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Category: Biology Ch 13 Class 11

Water is _____ times viscous than air

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Category: Biology Ch 2 Class 12

Which of the following plays the major role in providing support to young herbaceous parts of the plant:

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Category: Biology Ch 10 Class 12

Choose the correct combination:

NUMS 2019 Cancelled
Biology
Evolution
Elimination Tool:

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Category: Biology Ch 3 Class 12

Type of neurons found exclusively in CNS are:

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Category: Biology Ch 4 Class 12

Which of the following is correct in humans?

NUMS 2015
Biology
Reproduction
Elimination Tool:

35 / 100

Category: Biology Ch 9 Class 11

Protonema is

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Category: Biology Ch 9 Class 12

Which of the following is the manipulation of genetic material for practical purposes?

NTS 2018
Biology
Biotechnology
Elimination Tool:

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Category: Biology Ch 6 Class 11

Gram negative bacteria are stained pink by the use of:

NUMS 2016
Biology
Kingdom Prokaryote
Elimination Tool:

38 / 100

Category: Biology Ch 3 Class 11

Which step causes activation of catalytic site of an enzyme?

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Category: Biology Ch 11 Class 12

The biosphere covers about

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Category: Biology Ch 3 Class 11

A substance which binds at the active site of the enzyme but does not result in the formation of the products is called:

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Category: Biology Ch 6 Class 12

Mutations can occur in:

NUMS 2016
Biology
Chromosomes and DNA
Elimination Tool:

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Category: Biology Ch 4 Class 12

Menstruation, the shedding of the lining of the uterus (endometrium), is accompanied by:

NUMS 2019 Cancelled
Biology
Reproduction
Elimination Tool:

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Category: Biology Ch 2 Class 11

The branch of biology which deals with the study of chemical compounds and the chemical processes in the fliving organisms is called:

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Category: Biology Ch 3 Class 11

Which type of bonds are never formed when a substrate fits into the active site of an enzyme?

PMC Practice 1
Biology
Enzymes
Elimination Tool:

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Category: Biology Ch 6 Class 12

In DNA A.

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Category: Biology Ch 12 Class 12

One of the most important cause of desertification is

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Category: Biology Ch 3 Class 11

Identify the wrong statements.

(a) The substrate binds to active site of enzyme and not fitting into active site

(b) The binding of substrate induces the enzyme to alter its shape

(c) Chemical bonds of substrate break down not to form new enzyme-product complex

(d) The enzyme releases the products of the reaction and runs through catalytic cycle once again

NUMS 2019 Reconduct
Biology
Enzymes
Elimination Tool:

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Category: Biology Ch 3 Class 12

Neurons are cells adapted for the rapid transmission of electrical impulses. To do this, they have long thin processes called:

PMC 2020
Biology
Coordination and Control
Elimination Tool:

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Category: Biology Ch 6 Class 12

The sequence of nucleotides that determines the amino acid sequence of a protein is

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Category: Biology Ch 6 Class 11

Vibrio cholera is an example of ______ type of bacteria.

NUMS 2017
Biology
Kingdom Prokaryote
Elimination Tool:

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Category: Biology Ch 5 Class 11

Which of the following is not true for retroviruses?

NUMS 2014
Biology
Bio-diversity | Variety of Life
Elimination Tool:

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Category: Biology

The gene which controls the ABO group has how many alleles in an individual?

NUMS Mock 3
Biology
Variation and Genetics

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Category: Biology Ch 6 Class 11

A bacterial cell envelope of mollicutes does not include?

PMC Sample 1
Biology
Kingdom Prokaryote
Elimination Tool:

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Category: Biology Ch 8 Class 12

A pea plant has purple colored flowers (dominant trait). To check the genotype, which of the following cross is performed

NUMS 2018
Biology
Variation and Genetics
Elimination Tool:

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Category: Biology

Q.64 Which of the following conditions is not required to be true for a population in Hardy-Veinberg equilibrium?

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Category: Biology Ch 10 Class 12

Which factor decides what type of variation should be flourished and passed on to the next generations?

NTS 2019
Biology
Evolution
Elimination Tool:

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Category: Biology Ch 7 Class 11

Lime stone deposits are formed from

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Category: Biology Ch 12 Class 11

The structure which prevents the entry of food particles into the respiratory passage is:

NUMS 2019 Cancelled
Biology
Nutrition
Elimination Tool:

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Category: Biology

Q.9    The linkage formed when one molecule of glucose combines with one molecule of fructose is:

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Category: Biology Ch 8 Class 11

Fungi whose growth is favored by fire is called:

NTS 2016 SMBBMC
Biology
Kingdom Fungi
Elimination Tool:

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Category: Biology Ch 10 Class 11

Of the following which one is non-cellular in most cases in animals?

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Category: Biology Ch 5 Class 11

Eukaryotic, multicellular and consumers belong to ______ kingdom.

NUMS 2019 Reconduct
Biology
Bio-diversity | Variety of Life
Elimination Tool:

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Category: Biology Ch 12 Class 11

Percentage of magnesium by mass in a human being is:

NUMS 2015
Biology
Nutrition
Elimination Tool:

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Category: Biology Ch 1 Class 11

Oxygen accounts for ____ % of totals human body mass:

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Category: Biology Ch 3 Class 11

If we add more substrate to an already occurring enzymatic reaction and it has no affect on the rate of reaction, the process is called?

PMC Practice 2
Biology
Enzymes
Elimination Tool:

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Category: Biology

Q.61 These are properties of lipids_________________

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Category: Biology

Now-a-days every newborn gets regular shots of vaccine for polio. It contains _________ for polio to make a child immune against this disease.

NUMS Mock 4
Biology
Bio-diversity | Variety of Life

68 / 100

Category: Biology Ch 5 Class 11

The size of smallest virus is:

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Category: Biology

Q.39 Which of the following genetic diseases is caused by mutations in a membrane protein?

70 / 100

Category: Biology Ch 8 Class 12

In which of the following cases, genotypic and phenotypic ratio will remain same in F2 generation

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Category: Biology Ch 8 Class 12

In cats, the genes controlling coat-color are co-dominant (incompletely dominant) and are carried on the X chromosomes. When a black female was mated with a ginger male the resulting litter consisted of black male and tortoise-shell female kittens. What phenotypic ratio would be expected in the F2 generation?

NTS 2012
Biology
Variation and Genetics
Elimination Tool:

72 / 100

Category: Biology Ch 1 Class 12

The water content of mammalian blood is regulated by antidiuretic hormone(ADH). In which part of the nephron does regulation occur ?

NTS 2015 SMBBMC
Biology
Homeostasis
Elimination Tool:

73 / 100

Category: Biology Ch 6 Class 11

E. coli and example of entrobacteriace is important for causing diarrheal diseases its size is:

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Category: Biology Ch 8 Class 11

The most common example of members of the kingdom fungi is/are:

NUMS 2019 Reconduct
Biology
Kingdom Fungi
Elimination Tool:

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Category: Biology Ch 6 Class 12

Transfer of genetic material from one cell to another that can alter the genetic makeup of recipient cell is called

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Category: Biology Ch 12 Class 11

Earthworm is an example of ______ feeder

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Category: Biology Ch 13 Class 12

Study of environmental relations is called:

NUMS 2018
Biology
Man and His Environment
Elimination Tool:

78 / 100

Category: Biology

The rate of photosynthesis and respiration may equal one another at what time?

NUMS Mock 4
Biology
Bioenergetics

79 / 100

Category: Biology Ch 4 Class 11

The basic structural framework of all types of membranes are:

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

80 / 100

Category: Biology Ch 12 Class 11

The disease night blindness is caused by deficiency of vitamin:

NTS 2016 SMBBMC
Biology
Nutrition
Elimination Tool:

81 / 100

Category: Biology Ch 5 Class 12

The cells in our body are all genetically identical, apart from the:

PMC 2020
Biology
Growth and Development
Elimination Tool:

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Category: Biology Ch 9 Class 12

DNA made by joining pieces from two or more different sources:

UHS 2018
Biology
Biotechnology
Elimination Tool:

83 / 100

Category: Biology Ch 7 Class 11

_______ infection is caused by a viroid:

NUMS 2020
Biology
Kingdom Protista
Elimination Tool:

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Category: Biology Ch 9 Class 11

Which one of the following types of cell are found in secondary xylem of angiosperms?

NTS 2015 DUHS and JSMU
Biology
Kingdom Plantae
Elimination Tool:

85 / 100

Category: Biology

Unpaired facial bones are:

NUMS Mock 3
Biology
Support and Movement

86 / 100

Category: Biology Ch 3 Class 11

If the non-protien part is loosely attached to the protein part in the enzyme, it is known as ______.

PMC Practice 3
Biology
Enzymes
Elimination Tool:

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Category: Biology

During cell division, the spindle fibres get attached to condensing chromosome at a highly differentiated region. This region is called as:

NUMS Mock 1
Biology
Cell Cycle

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Category: Biology Ch 7 Class 12

Microtubule subunits (for spindle fibers) are synthesized in _______ phase.

UHS 2019
Biology
Cell Cycle
Elimination Tool:

89 / 100

Category: Biology Ch 1 Class 12

Terrestrial animals like kangaroo rat survive even without drinking water since

90 / 100

Category: Biology Ch 1 Class 11

A large regional community primarily determined by climate is called :

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Category: Biology Ch 5 Class 12

Amniotic fluid in human embryo protects it from:

NUMS 2014
Biology
Growth and Development
Elimination Tool:

92 / 100

Category: Biology Ch 11 Class 11

Quantitative study of energy relationships in biological systems obeys.

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Category: Biology Ch 12 Class 12

In which zone plant community is most diverse

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Category: Biology Ch 2 Class 11

Lipids store double the amount of energy as compared to carbohydrates because of:

PMC 2020
Biology
Biological Molecules
Elimination Tool:

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Category: Biology Ch 11 Class 12

Disease in living organisms caused by parasites is called

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Category: Biology Ch 3 Class 12

The autonomic nervous system controls all of the following activities except:

NTS 2014
Biology
Coordination and Control
Elimination Tool:

97 / 100

Category: Biology Ch 6 Class 11

The shape of Cocci bacteria is:

NUMS 2017
Biology
Kingdom Prokaryote
Elimination Tool:

98 / 100

Category: Biology

Phenylketonuria is

NUMS Mock 2
Biology
Chromosomes and DNA

99 / 100

Category: Biology

Q.13 The frequency of allele if it is evolutionary successful is?

100 / 100

Category: Biology Ch 11 Class 11

Of the following which one is not an energy releasing process?

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