Which one of the following is a genetic disorder in which abnormally thick mucus is produced in the lungs and other parts of the body?

NUMS 2020
Biology
Gaseous Exchange
Elimination Tool:

Thymus is found in the human body in _____.

PMC Practice 2
Biology
Growth and Development
Elimination Tool:

Chlorophyll molecule resemble the haem group of hemoglobin, the main difference between these two molecule is that chlorophyll has ____ ion.

NUMS 2019 Reconduct
Biology
Bioenergetics
Elimination Tool:

It is a method for rapid production of a very large number of copies of a particular fragment of DNA:

PMC 2020
Biology
Biotechnology
Elimination Tool:

A Dutch scientist firstly observed very small creatures in

PMC Practice 6
Biology
Kingdom Prokaryote
Elimination Tool:

The diploid human chromosome set has:

NTS 2016 SMBBMC
Biology
Chromosomes and DNA
Elimination Tool:

Which statement is incorrect?

All of the following are characteristics of kingdom fungi except:

NUMS 2017
Biology
Kingdom Fungi
Elimination Tool:

A cross between F1 hybrids and either of parents is called:

NUMS 2014
Biology
Variation and Genetics
Elimination Tool:

The end product of glycolysis in anaerobic respiration is:

NUMS Mock 4
Biology
Bioenergetics

Amoeba belongs to which kingdom:

The smaller (40S) of ribosome combines with larger subunit (60S) in the presence of Mg2+ ion to form _____ particle.

NUMS 2015
Biology
Cell Structure and Function
Elimination Tool:

Maintenance of normal resting potential via movement of K+ inside the cell and na+ out is a/an _______ process.

_____ is activated to ______ by enterokinase / enteropeptidase enzyme secreted the lining of duodenum:

NUMS 2019 Cancelled
Biology
Nutrition
Elimination Tool:

Consider the following statements about biological communities.

I. Their members share a common gene pool

II. The community remains stable even though some physical aspect of the environment may undergo a change

III. It consists of all the populations living in a particular area.

IV. A community interacts with a non-living environment and both function together to form an ecosystem

Which two of the above statements are true?

NTS 2014
Biology
Evolution
Elimination Tool:

Which type of sensory structures carry deep pressure and vibration sensations?

Which of the following is NOT the part of RNA?

NTS 2018
Biology
Chromosomes and DNA
Elimination Tool:

In an isotonic solution there would be:

NTS 2016 SMBBMC
Biology
Biological Molecules
Elimination Tool:

A typical human chromosome contains _________ nucleotides in its DNA

Genetic information in the DNA is encoded as:

NUMS Mock 1
Biology
Chromosomes and DNA

Most of the fossils are found in which of the following?

PMC Sample 1
Biology
Evolution
Elimination Tool:

Passive immunity is used against:

UHS 2015
Biology
Biotechnology
Elimination Tool:

Protein layers which are NOT continuous on the surface make ________ percent of total in plasma membrane.

NUMS 2019 Cancelled
Biology
Cell Structure and Function
Elimination Tool:

Which chemical component has the same % in bacterial as well as the mammalian cell?

Which of the following is a compensation point:

The word Archaeobacteria (a division of bacteria) derived from Greek means

The function of coelom is

Of the following which one has glassy shells?

Which step causes activation of catalytic site of an enzyme?

Of the following, which one is better respiratory medium.

Germ layers are formed in which stage of development?

NUMS 2020
Biology
Growth and Development
Elimination Tool:

Secondary succession starts from A.

Cyanobacteria help in nitrogen fixation because they have:

PMC 2021 Tested
Biology
Kingdom Prokaryote
Elimination Tool:

Which of the following blood vessels have the highest pressure of blood?

NUMS 2020
Biology
Transport
Elimination Tool:

Which of the statement about cell membrane is not true?

Water acts as a universal solvent because of:

PMC 2020
Biology
Biological Molecules
Elimination Tool:

Which statement is incorrect?

Van neil hypothesis about the production of oxygen during phosynthesis was based on the study and investigations on

The term bivalent means:

NUMS 2014
Biology
Cell Cycle
Elimination Tool:

Pharynx leads air into _____ through glottis.

NTS 2012
Biology
Gaseous Exchange
Elimination Tool:

When the concentration of the external medium is equal to the concentration of the internal medium of a cell, the situation is called:

NUMS Mock 1
Biology
Biological Molecules

A complex substance which on hydrolysis yields polyhydroxy aldehyde or ketone subunits is called:

Hydrosere is

_________ respiration is directly involved in the production of energy, necessary for all living activities.

If another molecule, having a shape very similar to the enzymes substrate, binds to its active site, it would then ____ the enzyme’s function:

NUMS 2020
Biology
Enzymes
Elimination Tool:

The disease that arises due to increasing age is:

NTS 2018
Biology
Growth and Development
Elimination Tool:

Which statement about profundal zone is correct?

The smaller (40S) of ribosome combines with larger subunit (60S) in the presence of Mg2+ ion to form _____ particle.

NUMS Mock 3
Biology
Cell Structure and Function

Thick, waxy & leathery cuticle around leaves is present in which of the following?

PMC Sample 3
Biology
Kingdom Plantae
Elimination Tool:

Antherozoids the male gamete in bryophytes are attracted towards Archegonium i.e. female sex organ by

Who coined the term Animalcules for microorganisms like Bacteria and protozoa?

Genetic recombination in bacteria can occur through:

NUMS 2015
Biology
Kingdom Prokaryote
Elimination Tool:

Digestion of which food components starts from the oral cavity?

NUMS Mock 3
Biology
Nutrition

Continuous variations in a population were first observed by:

NUMS 2015
Biology
Variation and Genetics
Elimination Tool:

Which of the following statements are true for mitochondria and chloroplasts?

A. ATP synthesis is seen in both
B. Outer membrane has more surface area in both
C. Circular naked DNA, RNA, and 70 ribosomes are seen in both
D. Oxidative phosphorylation occurs in both

NUMS Mock 4
Biology
Cell Structure and Function

Flow of energy in an ecosystem is:

NUMS 2014
Biology
Man and His Environment
Elimination Tool:

Tuberculosis is caused by?

NTS 2015 SMBBMC
Biology
Kingdom Prokaryote
Elimination Tool:

Which among the following sentence is not correct about the organelles?

NUMS 2019 Reconduct
Biology
Cell Structure and Function
Elimination Tool:

The most abundant organic compounds in a mammalian cell are:

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

The process of membrane fusion and the movement of material out of the cell, is called:

NTS 2016 SMBBMC
Biology
Cell Structure and Function
Elimination Tool:

An Rh negative woman is married to an Rh positive man whose father was also Rh negative. What are the chances that their child will be affected?

NUMS Mock 4
Biology
Variation and Genetics

A cofactor made of inorganic ion which is detachable is called

Function of intercalary meristems is

The process of recombination in prokaryotes takes place in which of the following ways?

PMC Sample 2
Biology
Kingdom Prokaryote
Elimination Tool:

DNA polymerase enzyme for PCR is isolated from bacteria, Thermus aquaticus, because;

UHS 2019
Biology
Biotechnology
Elimination Tool:

In animals excess of nitrogen is excreted primarily in form of

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:

In ‘Complete Dominance’:

PMC 2020
Biology
Variation and Genetics
Elimination Tool:

What is the correct order of arthropod groups, from those with most legs to those with fewest legs?

NTS 2014
Biology
Kingdom Animalia
Elimination Tool:

During the G2 phase:

UHS 2019
Biology
Cell Cycle
Elimination Tool:

Tetracycline and penicillins are:

NUMS 2018
Biology
Kingdom Fungi
Elimination Tool:

Adaptation of traits to better fill a niche is known as which of the following?

PMC Sample 3
Biology
Evolution
Elimination Tool:

Class Elasmobranchi have an outer covering of?

NTS 2015 DUHS and JSMU
Biology
Kingdom Animalia
Elimination Tool:

The trait “Kernel colour in corn” in controlled by how many pairs of genes

Radiolarians belong to which of the following protozoal group?

In humans gill pouches have modified into

Which of the following theories or evolution can best explain the vestigial organs.

NUMS 2014
Biology
Evolution
Elimination Tool:

Second major form of hepatitis is:

NUMS 2015
Biology
Bio-diversity | Variety of Life
Elimination Tool:

In paper chromatography xanthophyll will give ______ color:

NTS 2010
Biology
Bioenergetics
Elimination Tool:

Lamarck is best known for his theory of:

NUMS 2016
Biology
Evolution
Elimination Tool:

Haploid and monoploid numbers of chromosomes of hexaploid wheat are:

NUMS Mock 4
Biology
Chromosomes and DNA

Which of the following characteristics makes plasmid DNA useful for researchers?:

PMC Practice 9
Biology
Biotechnology
Elimination Tool:

Strengthening material of prokaryotic cell wall is

The following are all features of eukaryotic cells:

I. chloroplast

II. peroxisome

III. lysosome

IV. mitochondrion

v. nucleus

Which of these have a double membrane?

NTS 2014
Biology
Cell Structure and Function
Elimination Tool:

Meristems are of

Consider the following statements about biological communities.

I. Their members share a common gene pool

II. The community remains stable even though some physical aspect of the environment may undergo a change

III. It consists of all the populations living in a particular area.

IV. A community interacts with a non-living environment and both function together to form an ecosystem

Which two of the above statements are true?

NTS 2014
Biology
Evolution
Elimination Tool:

Choose the term from the following which is NOT a part of gene therapy?

NTS 2019
Biology
Biotechnology
Elimination Tool:

Which of the following is the components / tools of recombinant DNA technology?

PMC 2020
Biology
Biotechnology
Elimination Tool:

The multinucleated mass of the bone-breaking cells is called:

NUMS 2020
Biology
Support and Movement
Elimination Tool:

Nitrogen-cycle is facilitated by ______.

NUMS Mock 3
Biology
Ecosystem

Which scientist does not match his achievements