Some transgenic bacteria produce a dipeptide sweetener called

In enzymatic mechanism, the substrate bind to the enzyme active site to produce?

PMC Practice 3
Biology
Enzymes
Elimination Tool:

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

PMC Practice 9
Biology
Biotechnology
Elimination Tool:

Q.27 During which of the following levels of biological organization can natural selection occur?

Ferns are included in

_______ is the most critical phase of mitosis.

NUMS 2015
Biology
Cell Cycle
Elimination Tool:

The glycolate produced diffuses into the membrane bounded organelles called

Which of the following statements is correct?

NUMS 2017
Biology
Kingdom Protista
Elimination Tool:

Class Elasmobranchi have an outer covering of?

NTS 2015 DUHS and JSMU
Biology
Kingdom Animalia
Elimination Tool:

Which of the following animal has a hydrostatic skeleton:

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

Viviparous animals are those in which

Parabronchi are open at ______ end/s

Which statement is incorrect about Lock and Key Model?

Which statement is not true about PCR?

Due to the similarity of structure, competitive inhibitors may be selected by the _______ site.

NUMS 2019 Reconduct
Biology
Enzymes
Elimination Tool:

Muscle fiber has many _____ and in turns these have many ______.

NUMS 2019 Reconduct
Biology
Support and Movement
Elimination Tool:

The fungus which provides a chemotherapeutic agent that is used to inhibit fungal growth is called

NUMS 2015
Biology
Kingdom Fungi
Elimination Tool:

The diagram represents two liquids, separated by a membrane through which osmosis can occur.

What movement of molecules will occur?

NUMS Mock 3
Biology
Transport

Pathway of energy used by muscles converted from food is:

NUMS Mock 3
Biology
Bioenergetics
Support and Movement

Read the passage below to answer the question:

Hemophilia is a disorder in which blood fails to clot. Saad, a male hemophiliac, marries Sara, a normal woman and together they have four children, two boys (Ahmed and Ali) and two girls (Alia and Ayesha). None of the children display the symptoms of Hemophilia. Ahmed, Ali, Ayesha, and Ali all marry normal individuals and have children. None of Ahmeds or Ali’s children, male or female, display symptoms of hemophilia, but the sons of Alia and Ayesha display symptoms of hemophilia while the daughters of Alia and Ayesha do not.

Which of the following individuals are heterozygous for hemophilia:

NTS 2010
Biology
Variation and Genetics
Elimination Tool:

Erythroblastosis foetalis occurs when:

NUMS Mock 2
Biology
Variation and Genetics

Who coined the term CELL?

Vertebrae of the neck are called:

NUMS 2020
Biology
Support and Movement
Elimination Tool:

Which of the following statement is incorrect regarding germ theory of diseases postulated by Robert Koch?

The propulsive movement of the gastrointestinal tract (GI tract) is:

NTS 2010
Biology
Nutrition
Elimination Tool:

Lateral meristems are present in

Treatment of hereditary disorders by gene manipulations is called:

NUMS 2016
Biology
Biotechnology
Elimination Tool:

Which of the following bacteria possesses a spherical shape?

PMC Practice 4
Biology
Kingdom Prokaryote
Elimination Tool:

In plants mitotic apparatus consists of

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

NTS 2018
Biology
Biotechnology
Elimination Tool:

Which characteristic led to the evolution of seed?

NUMS 2020
Biology
Kingdom Plantae
Elimination Tool:

Four events in the transmission of nerve impulses across synapses are:

I. depolarisation of the presynaptic membrane

II. propagation of postsynaptic action potential

III. reabsorption of the transmitter substance

IV. release of transmitter substance into the synaptic cleft

In which sequence do these events occur?

FIRST -> LAST

NTS 2014
Biology
Coordination and Control
Elimination Tool:

The feeding stage of slime mold is a

UHS 2010
Biology
Kingdom Protista
Elimination Tool:

Four events in the transmission of nerve impulses across synapses are:

I. depolarisation of the presynaptic membrane

II. propagation of postsynaptic action potential

III. reabsorption of the transmitter substance

IV. release of transmitter substance into the synaptic cleft

In which sequence do these events occur?

FIRST -> LAST

NUMS Mock 4
Biology
Coordination and Control
D) IV, III, I and II

Gram negative bacteria are stained pink by the use of:

NUMS 2016
Biology
Kingdom Prokaryote
Elimination Tool:

Which statement is correct?

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:

Platyhelminthes means:

NUMS 2017
Biology
Kingdom Animalia
Elimination Tool:

In plants growth is of

Active site of Rubisco is evolved to bind

In most triploblasts after embryonic development the three layers are represented as

Which of the statement is not true for compounds like glycoprotein and glycolipids?

The type of gene interaction in which the effect caused by a gene at one locus interfere with the effect caused by another gene at another locus is known as:

NUMS 2018
Biology
Variation and Genetics
Elimination Tool:

In prokaryotes only one type of RNA polymerase is present, while ______ types of RNA polymerase are present in eukaryotes.

NUMS 2019 Reconduct
Biology
Biotechnology
Elimination Tool:

Chlorosis, i.e., yellowish hue on the leaves results from

There existed two varieties of female freshwater Mollusks in which some were streamlined and some had a high bulge. Over the generations, male freshwater Mollusks learned that high bulge favors more production of offspring. So they started preferring to mate with females having high bulge as compared to streamlined. Will this affect Hardy Weinberg Equilibrium in the population?

NTS 2019
Biology
Evolution
Elimination Tool:

Which of the following is used as a biological weapon?

PMC 2021 Tested
Biology
Kingdom Protista
Elimination Tool:

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

Transport of glucose across the cell membrane occurs by:

NUMS Mock 1
Biology
Cell Structure and Function

Drug obtained from fungus used for lowing blood cholesterol is

UHS 2010
Biology
Kingdom Fungi
Elimination Tool:

During the G2 phase:

UHS 2019
Biology
Cell Cycle
Elimination Tool:

Whenever a virus encounters an unfamiliar organism, the virus may undergo multiple mutations and emerge as a variant that produces:

PMC Sample 2
Biology
Bio-diversity | Variety of Life
Elimination Tool:

Magnifying power of electron microscope as compared to eye is

In semi-conservative replication

Growth of multicellular plants occur in

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

NUMS 2015
Biology
Kingdom Fungi
Elimination Tool:

Legume plants are the hosts to

A student of chemical engineering mistakenly engulfed the toxic compound “A” which was a potent inhibitor of a certain enzyme. He was immediately brought to a hospital where the doctor injected, intravenously, substrate “B” to minimize the toxic effect of Compound A. His life was saved from serious damage. The treatment method shows that compound A was a ______ inhibitor.

UHS 2019
Biology
Enzymes
Elimination Tool:

Cell membrane under resting conditions is impermeable to all the ions except

Below the point at which the cotyledons are attached, the embryo axis is called _______.

NTS 2016 SMBBMC
Biology
Kingdom Plantae
Elimination Tool:

Mutations can occur in:

NUMS Mock 4
Biology
Chromosomes and DNA

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

NTS 2014
Biology
Coordination and Control
Elimination Tool:

The cells which play a very important role in developing immunity are:

NUMS Mock 4
Biology
Transport

When a frog is kept in water for some time it sheds a thin covering of skin called ____

NUMS 2014
Biology
Homeostasis
Elimination Tool:

Gametes in animals are produced by which of the following?

PMC Practice 2
Biology
Cell Cycle
Elimination Tool:

The phenomenon known as crossing-over occurs during:

NTS 2017
Biology
Chromosomes and DNA
Elimination Tool:

Which of the following cells does not enter G0 phase?

NUMS 2020
Biology
Cell Cycle
Elimination Tool:

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

Consider the following statements regarding blood pressure:

1. It is the pressure exerted by the blood on the walls of any vessel.

2. It decreases in the arteries as the distance from the heart increases.

3. It is lower in the capillaries than in the arteries.

4. It is usually lower in women than in men.

Choose the correct statements.

NTS 2015 DUHS and JSMU
Biology
Transport
Elimination Tool:

Which of the following is NOT a function of Abscisic acid?

PMC Sample 3
Biology
Growth and Development
Elimination Tool:

Process ensuring the survival of species over long periods of time, even though individual members of the species die.

UHS 2018
Biology
Man and His Environment
Elimination Tool:

Which brain portion is responsible for controlling body coordination?

NUMS 2020
Biology
Coordination and Control
Elimination Tool:

The deficiency of which of the following cause severe combined immunodeficiency

PMC Sample 3
Biology
Biotechnology
Elimination Tool:

Meristems are group of cells that

The only possible treatment in end stage renal failure is:

NUMS 2018
Biology
Homeostasis
Elimination Tool:

The region where the impulse moves from one neuron to another is called ______.

NTS 2012
Biology
Coordination and Control
Elimination Tool:

Which statement is true about an aqueous medium:

Excess water in plants is forced out in the form of droplets through?

PMC 2021 Tested
Biology
Kingdom Plantae
Elimination Tool:

The _____ may be a cell, neuron ending or an organ that receives the stimulus.

NUMS 2019 Reconduct
Biology
Coordination and Control
Elimination Tool:

Booklungs serve the function of respiration in:

NUMS Mock 3
Biology
Gaseous Exchange

Which of the following sets of bones does not included in the axial skeleton?

NUMS 2019 Cancelled
Biology
Support and Movement
Elimination Tool:

Only one ovary is functional at a time in:

NUMS 2015
Biology
Reproduction
Elimination Tool:

Which of the following organisms have Chitin as a major structural component of their cell wall:

Under the microscope, the bacteria appear a bluish-purple color. Which class of bacteria are on the slide?

PMC Practice 5
Biology
Kingdom Prokaryote
Elimination Tool:

Analogous organs show

Enzyme used by the Bacteria to cut the DNA of the invading Virus for its protection is:

UHS 2018
Biology
Biotechnology
Elimination Tool:

There existed two varieties of female freshwater Mollusks in which some were streamlined and some had a high bulge. Over the generations, male freshwater Mollusks learned that high bulge favors more production of offspring. So they started preferring to mate with females having high bulge as compared to streamlined. Will this affect Hardy Weinberg Equilibrium in the population?

NUMS Mock 2
Biology
Evolution

The DNA of the bacterium is present in a distinct region called:

NUMS 2017
Biology
Kingdom Prokaryote
Elimination Tool:

Which bond is present between the nucleotides of DNA:

NUMS Mock 4
Biology
Chromosomes and DNA