In Pakistan, the furniture wood is mainly obtained from the members of family:

UHS 2010
Biology
Kingdom Plantae
Elimination Tool:

The genetically Engineered vaccine is not available for which of the following?

PMC Practice 8
Biology
Biotechnology
Elimination Tool:

Fetus is human embryo from the beginning of which of the following?

PMC Sample 2
Biology
Growth and Development
Elimination Tool:

Lymph nodes are not present:

NUMS 2020
Biology
Coordination and Control
Elimination Tool:

In plants mitotic apparatus consists of

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

NUMS 2019 Cancelled
Biology
Nutrition
Elimination Tool:

_________ is sometimes given by injection as an emergency treatment in cardiac arrest:

NUMS Mock 3
Biology
Coordination and Control

The photosynthetic pigments of plants are arranged as clusters in thylakoid membranes. The reaction centers of these clusters consist of _____ molecules.

NUMS Mock 3
Biology
Bioenergetics

Whose theory of natural selection is essentially identical to Darwin’s theory?

NUMS 2019 Cancelled
Biology
Evolution
Elimination Tool:

Viruses without nuclear envelope is called as?

PMC Sample 1
Biology
Bio-diversity | Variety of Life
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

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:

Five steps of the lytic cycle of a T4 stage are given below:

The T4 phage uses its tails to stick to specific receptor
The cell’s metabolic machinery, directed by phage DNA, produces phage proteins and nucleotides from the cells degraded DNA are used to make copies of the phage genome.
The phage then directs production of an enzyme that digests the cell.
The empty capsid of the phage is left as a ghost outside the cell
The sheath of the tail contracts, thrusting a hollow core through the wall and membrane of the cell.
Which of the following is the correct sequence of the cycle?

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

Mono-saccharides have a general formula represented by:

PMC 2020
Biology
Biological Molecules
Elimination Tool:

Lichen and algae form

Chest cavity is bounded by ribs and muscles on the sides, while the floor of chest cavity is called:

NUMS 2015
Biology
Gaseous Exchange
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:

Which of the following statement about neuron is incorrect?

The fate of each blastomere is foretold. What will that cleavage be?

PMC Sample 2
Biology
Growth and Development
Elimination Tool:

Reabsorption of calcium is triggered by:

NUMS 2019 Reconduct
Biology
Homeostasis
Elimination Tool:

Read the passage below to answer the question:

Haemophilia is a disorder in which blood fails to clot. Saad, a male haemophiliac, 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 Haemophilia.

Ahmed, Ali, Ayesha, and Ali all marry normal individuals and have children. None of Ahmed’s or Ali’s children, male or female, display symptoms of haemophilia, but the sons of Alia and Ayesha display symptoms of haemophilia while the daughters of Alia and Ayesha do not.

Which of the following best explains the reason that Ahmed, Ali, Ayesha and Alia do not display symptoms of haemophilia, even though their father, Saad, is a haemophiliac.

NTS 2010
Biology
Variation and Genetics
Elimination Tool:

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

PMC 2020
Biology
Cell Structure and Function
Elimination Tool:

Carbon atom is

Tay Sach’s disease is caused by absence of enzyme required to breakdown ____________.

NUMS 2014
Biology
Cell Structure and Function
Elimination Tool:

When were bacteriophages discovered by Twort?

PMC Practice 5
Biology
Kingdom Prokaryote
Elimination Tool:

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

NTS 2018
Biology
Biotechnology
Elimination Tool:

In ‘Complete Dominance’:

PMC 2020
Biology
Variation and Genetics
Elimination Tool:

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

Which of the following group represent pathological fungi?

Gametes in animals are produced by

Excretory system, consisting of protonephridia tubes, are present in phylum:

NUMS 2020
Biology
Homeostasis
Elimination Tool:

Which is incorrect?

Antheridia and archegonia are born on _____ in bryophytes

During cellular respiration NADH2 produces:

NUMS 2014
Biology
Bioenergetics
Elimination Tool:

Peptide bonds are formed between:

NUMS 2014
Biology
Biological Molecules
Elimination Tool:

Disease in living organisms caused by parasites is called

The function of respiratory passage, Cilia is to keep the airways clear of:

NUMS Mock 4
Biology
Gaseous Exchange

Puccinia commonly destroys

Fallopian tube in humans is important for:

NUMS 2018
Biology
Reproduction
Elimination Tool:

Ferns are included in

Which of the following structure primarily helps in attachment of bacteria on various surfaces?

The concept that various organisms dominated this planet during various geological time period and thus placing organisms in a time squence came from the studies by

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

Which statement is not true about phragmoplast?

During the G2 phase:

UHS 2019
Biology
Cell Cycle
Elimination Tool:

The condition due to loss of appetite for food is termed as:

NTS 2016 DUHS & JSMU
Biology
Growth and Development
Elimination Tool:

Ecological role of fungi as decomposers is only paralleled by

Highly condensed portions of the chromatin are called:

NTS 2011
Biology
Chromosomes and DNA
Elimination Tool:

The number of calories required to raise the temperature of 1g of water from 15 to 16?C is called?

Which of the following is NOT a difference that would allow one to distinguish between a prokaryotic and a eukaryotic cell?

Presence of absence of the nucleus
Presence or absence of the cell wall
Membrane bound versus no membrane bound organelles
NUMS Mock 3
Biology
Cell Structure and Function

The table shows the characteristics of the blood in one blood vessel in the body.

Which blood vessel contains blood with these characteristics?

NUMS Mock 1
Biology
Transport

Chlorophyll is insoluble in:

Antheridiophore and archegoniophore are found in

Baldness is most frequent in

Deficiency of enzyme ______ causes combined immunodeficiency syndrome.

UHS 2018
Biology
Biotechnology
Elimination Tool:

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

NUMS Mock 3
Biology
Biotechnology

Platyhelminthes means:

NUMS 2017
Biology
Kingdom Animalia
Elimination Tool:

According to the Hardy-Weinberg theorem, what will be the frequency of heterozygote when ‘p’ is 0.2?

NUMS 2019 Reconduct
Biology
Evolution
Elimination Tool:

Which of the protozoa has a striking resemblance to collar cells in sponges?

Exchange of segments between homologous chromosomes is called:

UHS 2012
Biology
Cell Cycle
Elimination Tool:

Transcription is the process in which an RNA copy of the DNA sequence and coding the gene is produced with the help of an enzyme called:

PMC 2020
Biology
Chromosomes and DNA
Elimination Tool:

Strong chlorosis is due to the deficiency of _____ in plants.

Male and female sea urchins release their sperm and eggs Into the water where fertilization takes place. How can their reproduction be described?

NTS 2013
Biology
Reproduction
Elimination Tool:

If the concentration of enzyme is kept constant and amount of substrate is increased a point is reached where increase in substrates concentration does not affect the reaction rate because of

Which of the following animals can survive without drinking water?

NUMS Mock 4
Biology
Nutrition

The number of substrate molecules converted into the product by one molecule of enzyme active site per unit time is called?

PMC Practice 2
Biology
Enzymes
Elimination Tool:

Useful bacteria at the large intestine of humans produce:

NUMS 2015
Biology
Nutrition
Elimination Tool:

Natural selection can amplify or diminish variations that are

Which of the following statement about plants is incorrect?

PMC Sample 2
Biology
Kingdom Plantae
Elimination Tool:

Germ layers are formed in which stage of development?

NUMS 2020
Biology
Growth and Development
Elimination Tool:

Who discovered the bacteria causing tuberculosis and also developed various techniques of media preparation and maintenance of pure culture?

Scurvy is caused by deficiency of vitamin ______.

NTS 2016 DUHS & JSMU
Biology
Nutrition
Elimination Tool:

Secretion of pancreatic juice is stimulated by:

NUMS 2019 Cancelled
Biology
Nutrition
Elimination Tool:

The human body maintains all of its cells’ internal concentration _____ to internal body fluid.

NUMS 2019 Cancelled
Biology
Homeostasis
Elimination Tool:

Excessive increase in temperature of medium causes the enzyme molecule to

Which hormone prepares the body for situations of stress and emergency?

NUMS 2014
Biology
Homeostasis
Elimination Tool:

Which one is not a day neutral plant?

Marine fish can keep their internal environment hypertonic with respect to the surrounding salty water by retaining.

Pathway of energy used by muscles converted from food is:

NUMS Mock 3
Biology
Bioenergetics
Support and Movement

Study of a single population’s relationship to its environment is called

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

Lamarck is best known for his theory of:

NUMS Mock 3
Biology
Evolution

Deficiency of K+ causes:

How many ml of blood is pumped by each contraction of the heart?

NUMS Mock 1
Biology
Transport

An increrase in plant girth due to activity of _____ is called secondary growth.

The only vein in human carrying oxygenated blood is:

PMC 2020
Biology
Transport
Elimination Tool:

Which of the following is found beneath the prostate gland?

PMC Sample 1
Biology
Reproduction
Elimination Tool:

The reaction involved in chemotrophic nutrition is:

NTS 2010
Biology
Nutrition
Elimination Tool:

High level of _____ and _____ in the blood and the contributing factors in the formation of kidney stones.

NUMS 2018
Biology
Homeostasis
Elimination Tool:

An unbroken series of species arranged in ancestors to descendent sequence with each later species having evolved from one that immediately preceded it is called:

Which of the following fungi is utilized in the baking industry?

NTS 2011
Biology
Kingdom Fungi
Elimination Tool:

Which statement is correct?

Movement of the material across the cell membrane which does not requiring expenditure of metabolic energy is called

Which one is a micromolecule?