Testes are structures that produce:

NTS 2015 SMBBMC
Biology
Reproduction
Elimination Tool:

Enzymes work by lowering the ______ of the reactions they catalyse:

NUMS Mock 4
Biology
Enzymes

Many scientists believe that one of the following is evolutionary origin(s) of animals, plants and fungi?

NUMS Mock 1
Biology
Evolution

Which of the following photosystems is involved in cyclic photophosphorylation?

NUMS Mock 2
Biology
Bioenergetics

Which of the following offers an active barrier between the cell content and their environment by allowing only selective substances to pass through it?

NUMS 2019 Reconduct
Biology
Cell Structure and Function
Elimination Tool:

Which statement is incorrect?

Closely related species are grouped together into ______ .

NTS 2012
Biology
Bio-diversity | Variety of Life
Elimination Tool:

An area previously supporting life is made barren, the subsequent recolonization is called ______.

UHS 2018
Biology
Man and His Environment
Elimination Tool:

The thick filaments, in a myofibril of muscles, are made of ________.

NUMS Mock 3
Biology
Support and Movement

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

UHS 2018
Biology
Biotechnology
Elimination Tool:

Most of the marine invertebrates are

Some bacteria ranging occasionally a size of 500 ?m in length are

Fungi store surplus food in the form of

UHS 2010
Biology
Kingdom Fungi
Elimination Tool:

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

NUMS 2014
Biology
Homeostasis
Elimination Tool:

Pharynx leads air into _____ through glottis.

NTS 2012
Biology
Gaseous Exchange
Elimination Tool:

In plants, ______ hormone promotes closing of stomata in drought conditions.

NUMS 2019 Reconduct
Biology
Coordination and Control
Elimination Tool:

Which one of the following combinations is NOT the part of an animal cell?

NUMS 2019 Reconduct
Biology
Cell Structure and Function
Elimination Tool:

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

UHS 2019
Biology
Biotechnology
Elimination Tool:

A bacterium with tuft of flagella at both poles is called

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

NUMS 2014
Biology
Homeostasis
Elimination Tool:

Abscisic acid promotes flowering in short day plants and inhibits in long day plants, which of the following is antagonistic to abscisic acid in terms of flowering:

Period between two consecutive divisions is called

Which one of the following is a fish?

NTS 2012
Biology
Kingdom Animalia
Elimination Tool:

The productivity of aquatic ecosystem is determined by:

NUMS 2016
Biology
Man and His Environment
Elimination Tool:

What is the strengthening material of the prokaryotic cell wall?

PMC Practice 7
Biology
Kingdom Plantae
Elimination Tool:

Which of the following diseases is sexually transmitted?

NUMS Mock 1
Biology
Bio-diversity | Variety of Life

RuBP + O2 —Rubisco—> PGA + _______

NTS 2016 DUHS & JSMU
Biology
Bioenergetics
Elimination Tool:

The excretory product that requires minimum water for its elimination compared to others is:

NUMS 2017
Biology
Homeostasis
Elimination Tool:

Hydra reproduces asexually by:

NUMS 2014
Biology
Reproduction
Elimination Tool:

Which of the following will not undergo aldol condensation?

NUMS Mock 2
Chemistry
Aldehydes and Ketones

The glycolate produced diffuses into the membrane bounded organelles called

The zygote formed in liverworts is

Which of the following is the simplest form of pathogens causing diseases?

NTS 2018
Biology
Bio-diversity | Variety of Life
Elimination Tool:

In a forest, there are a lot of plants; trees, shrubs, and herbs. What will the Palm trees face if they grow in the same forest?

NTS 2019
Biology
Man and His Environment
Elimination Tool:

Which one is a non-renewable resource?

Which of the following processes is the reverse of condensation?

NTS 2016 SMBBMC
Biology
Biological Molecules
Elimination Tool:

All of the following are mammals EXCEPT the:

NTS 2017
Biology
Kingdom Animalia
Elimination Tool:

70S sized ribosomes are found in the cytoplasm of:

PMC 2020
Biology
Cell Structure and Function
Elimination Tool:

The infection of lungs is called:

PMC Practice 1
Biology
Gaseous Exchange
Elimination Tool:

Filter feeders extract food particles from:

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool:

Sertoli cells

The prolactin hormone, responsible for the activation of mammary glands to start producing milk, is a hormone of the:

NTS 2010
Biology
Coordination and Control
Elimination Tool:

The structure of an enzyme is altered by:

The following statements are about enzymes:

1. They are globular proteins

2. They can be inhibited by competitive inhibitors

3. They are formed in the smooth endoplasmic reticulum

4. There are only found attached to Plasma membranes in the cell

Which statements are correct for all enzymes?

NTS 2015 DUHS and JSMU
Biology
Enzymes
Elimination Tool:

Spread of tumor cells and establishment of secondary areas of growth is

About 55% of the volume of the human blood is?

NTS 2015 SMBBMC
Biology
Transport
Elimination Tool:

During breathing air from Pharynx enters to:

UHS 2018
Biology
Gaseous Exchange
Elimination Tool:

The cell wall of most of the bacteria have a unique macromolecule called_______.

NTS 2012
Biology
Biological Molecules
Elimination Tool:

The genetically engineered vaccine is available for which of the following hepatitis virus?

PMC Practice 5
Biology
Biotechnology
Elimination Tool:

Cyanobacteria resemble photosynthetic eukaryotes because they have:

PMC 2021 Tested
Biology
Kingdom Protista
Elimination Tool:

Condensation of chromosomes reaches to the maximum during:

NUMS 2015
Biology
Cell Cycle
Elimination Tool:

Genotype of blood group ‘AB’ in human is ______.

NUMS 2015
Biology
Variation and Genetics
Elimination Tool:

When abdomen expands, the number of spiracles open is

Bones of the skull are joined by:

NUMS Mock 2
Biology
Support and Movement

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

NUMS Mock 4
Biology
Coordination and Control

The reason plants are considered totipotent is:

NUMS 2019 Cancelled
Biology
Growth and Development
Elimination Tool:

In which model do proteins float in membrane-like iceberg in sea:

NTS 2010
Biology
Cell Structure and Function
Elimination Tool:

Proteoglycan in cartilages (which consists of polysaccharides) are also attached to:

NUMS 2014
Biology
Biological Molecules
Elimination Tool:

Which of the statement about cell membrane is not true?

Which of the following scientists contributed a lot to “modern synthetic theory of organic evolution:

NUMS 2014
Biology
Evolution
Elimination Tool:

Nitrogen-fixing bacteria in root nodules fix nitrogen in soil air into:

NUMS Mock 1
Biology
Nutrition

________ are animals that do not adjust their internal osmolality and are isotonic with their environment.

NUMS 2019 Cancelled
Biology
Homeostasis
Elimination Tool:

Red green colour blindness is a sex linked recessive trait. If a colour blind man marries a woman with normal vision whose father is colourblind and they have a daughter, what is the probability that she will be colourblind?

NTS 2015 SMBBMC
Biology
Variation and Genetics
Elimination Tool:

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

PMC 2020
Biology
Biotechnology
Elimination Tool:

Which of the following carbohydrate is tasteless?

Trypanosoma belongs to class:

NTS 2011
Biology
Kingdom Protista
Elimination Tool:

Genetic equilibrium is a:

NTS 2019
Biology
Evolution
Elimination Tool:

The process of replacing or supplementing the defective allele with a functional, normal allele is known as ______.

NTS 2012
Biology
Biotechnology
Elimination Tool:

The process that has transformed life on earth from its earliest forms to vast diversity is?

PMC Sample 3
Biology
Evolution
Elimination Tool:

Lamarck is best known for his theory of:

NUMS 2016
Biology
Evolution
Elimination Tool:

The structural and functional unit of the lungs is:

PMC Practice 2
Biology
Gaseous Exchange
Elimination Tool:

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

NUMS 2020
Biology
Transport
Elimination Tool:

The following statements are about enzymes:

1. They are globular proteins

2. They can be inhibited by competitive inhibitors

3. They are formed in the smooth endoplasmic reticulum

4. There are only found attached to Plasma membranes in the cell

Which statements are correct for all enzymes?

NUMS Mock 3
Biology
Enzymes

Which of the following is correct in humans?

NUMS 2015
Biology
Reproduction
Elimination Tool:

The system responsible for fighting the pathogens is:

NUMS Mock 4
Biology
Transport

The following observations refer to evolution:

I. Inherited variations which are ‘favoured’ in particular environments are passed on.

II. There is a struggle for existence.

III. In time, ‘favoured’ inherited variations may accumulate causing gradual changes in the organism.

IV. Although populations tend to overproduce, they remain more or less constant in numbers from generation to generation.

In what sequence should the statements be placed to support Darwin’s theory of evolution?

NTS 2014
Biology
Evolution
Elimination Tool:

Gene mutations take place in:

NUMS 2014
Biology
Chromosomes and DNA
Elimination Tool:

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

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool:

Which of the following structures provides greater pathogenicity to the bacteria?

PMC Practice 3
Biology
Kingdom Prokaryote
Elimination Tool:

During the first three steps of glycolysis, glucose is converted to Fructose 1, 6-diphosphate by the rearrangement of the molecule and addition of two phosphate groups. The phosphate comes from?

NTS 2015 SMBBMC
Biology
Bioenergetics
Elimination Tool:

Restriction endonucleases

PMC Sample 2
Biology
Enzymes
Elimination Tool:

The branch of biology which deals with the study of social behavior and communal life of human beings living in any environment is called :

The passageways of the respiratory system have mucous secreting cells called:

NUMS Mock 3
Biology
Gaseous Exchange