Germ layers are formed in which stage of development?

NUMS 2020
Biology
Growth and Development
Elimination Tool:

The zygote formed in liverworts is

Histones have abundance of amino acids

Which part of the brain regulates body temperature?

NTS 2016 SMBBMC
Biology
Homeostasis
Elimination Tool:

Development of an egg into zygote without fertilization is called

Phenylmethyl ketone can be converted into ethyl benzene in one step by using:

NUMS Mock 4
Chemistry
Aldehydes and Ketones

Urine leaves the kidney through a duct called:

NUMS 2020
Biology
Homeostasis
Elimination Tool:

The law of dominance is illustrated in the garden pea by:

NTS 2010
Biology
Variation and Genetics
Elimination Tool:

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

NUMS 2017
Biology
Homeostasis
Elimination Tool:

A pure breeding tall plant was crossed to dwarf plant. What would be probability of “Tt” genotype in F2

Nutrition to egg in ovary is provided by which of the following?

PMC Practice 1
Biology
Growth and Development
Elimination Tool:

Greenhouse gases are those that:

NUMS 2015
Biology
Man and His Environment
Elimination Tool:

The only aquatic arthropods:

PMC Sample 1
Biology
Kingdom Animalia
Elimination Tool:

The light dependent reaction of photosynthesis occurs in:

NTS 2011
Biology
Bioenergetics
Elimination Tool:

Amniotic fluid in human embryo protects it from:

NUMS 2014
Biology
Growth and Development
Elimination Tool:

Negative feedback mechanism is the characteristic of which class?

NUMS 2020
Biology
Homeostasis
Elimination Tool:

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.

If one of Ali’s daughters marries a normal man,what is the probability that one of their children will display symptoms of hemophilia:

NTS 2010
Biology
Variation and Genetics
Elimination Tool:

The only promoter of leaf senescence in the following plant hormones is:

In comparison to a constantly changing external environment, _____ is when the body maintains the internal processes to work in a narrow range of internal fluctuations.

NUMS 2019 Reconduct
Biology
Homeostasis
Elimination Tool:

Which of the following structure is not present in all the bacteria?

Antheridia and archegonia are _____ organs in bryophytes.

NTS 2015 DUHS and JSMU
Biology
Kingdom Plantae
Elimination Tool:

Recombinant DNA contains DNA from

Xerophytes have small thick leaves to;

UHS 2019
Biology
Gaseous Exchange
Elimination Tool:

The specific heat capacity of water is the number of calories required to raise the temperature of water from _____ ˚C is 1.0.

NUMS 2019 Reconduct
Biology
Biological Molecules
Elimination Tool:

During inspiration, the diaphragm:

PMC Practice 3
Biology
Gaseous Exchange
Elimination Tool:

What is critical in photoperiodism?

The simplest of all bryophytes are

Optimum temperature for enzymes of human body is:

NUMS 2018
Biology
Enzymes
Elimination Tool:

The plants having thick cuticle, needle like reduced leaves and sunken stomata are termed as:

NUMS 2019 Reconduct
Biology
Support and Movement
Elimination Tool:

The most abundant organic molecule on the planet earth is:

NUMS 2016
Biology
Growth and Development
Elimination Tool:

Fungi store surplus food in the form of

UHS 2010
Biology
Kingdom Fungi
Elimination Tool:

In semi-conservative replication

In bryophytes fertilization takes place in

Adaptations that an organism acquires by its own actions are

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

NUMS 2019 Cancelled
Biology
Nutrition
Elimination Tool:

Exposure to ______ light is effective in photosynthesis as it enables guard cells to take up K+ and opening of stomata.

NUMS 2019 Reconduct
Biology
Bioenergetics
Elimination Tool:

Which of the following statements is true about metaphase?

PMC 2021 Tested
Biology
Cell Cycle
Elimination Tool:

A characteristics features of Echinoderm is:

NTS 2011
Biology
Kingdom Animalia
Elimination Tool:

Which of the following types of transpiration account for 5 – 7 % of total transpiration that take place in plants?

NUMS 2019 Cancelled
Biology
Homeostasis
Elimination Tool:

During the G2 phase:

UHS 2019
Biology
Cell Cycle
Elimination Tool:

The structure of a fibrous protein comprises of polypeptide chains in the form of:

NUMS Mock 2
Biology
Biological Molecules

The experiments on DNA molecules in chromosomes for knowing the basis of inherited diseases are conducted by :

Unpaired facial bones are:

NUMS Mock 3
Biology
Support and Movement

Which of the following statement about Kingdom Protista is incorrect?

The valve between right atrium and right ventricle is called:

NUMS 2014
Biology
Transport
Elimination Tool:

The cofactor usually acts as “bridge” between:

NUMS 2018
Biology
Enzymes
Elimination Tool:

Direction of reflex action is from:

NUMS 2019 Reconduct
Biology
Coordination and Control
Elimination Tool:

The end product of glycolysis in anaerobic respiration is:

NUMS Mock 4
Biology
Bioenergetics

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

NUMS Mock 3
Biology
Support and Movement

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

Numerous opportunistic diseases might attack a person suffering from which of the following diseases?

NUMS 2020
Biology
Bio-diversity | Variety of Life
Elimination Tool:

Some transgenic bacteria produce a dipeptide sweetener called

The causes of Cyanosis include:

NTS 2010
Biology
Transport
Elimination Tool:

The voice box leads to the trachea which is also called

PMC Practice 1
Biology
Gaseous Exchange
Elimination Tool:

Rod-shaped bacteria are known as _______

UHS 2018
Biology
Kingdom Prokaryote
Elimination Tool:

Erythroblastosis foetalis occurs when:

NUMS Mock 2
Biology
Variation and Genetics

Which of the following is not the function of the cerebrum?

NUMS 2016
Biology
Coordination and Control
Elimination Tool:

The air spaces may comprise upto ______ of total volume of leaf surface.

In which stage of meiotic division centromere divides?

NUMS 2017
Biology
Cell Cycle
Elimination Tool:

The virus can only survive and reproduce inside a:

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

The maximum amount of oxygen which normal human blood absorbs and carries at sea level is how many ml per 100 ml of blood?

PMC Sample 2
Biology
Gaseous Exchange
Elimination Tool:

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

NTS 2019
Biology
Reproduction
Elimination Tool:

A group of populations that have the potential to interbreed in nature is

The inhibitor which closely resembles the substrate in its molecular structure and inhibits the enzyme activity by binding to the active site of the enzyme is called:

NUMS Mock 4
Biology
Enzymes

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

NUMS 2014
Biology
Homeostasis
Elimination Tool:

Nicotine in tobacco:

NUMS 2014
Biology
Gaseous Exchange
Elimination Tool:

Which one is not a nitrogen waste?

NUMS 2018
Biology
Homeostasis
Elimination Tool:

A man with blood group “A” marries a woman of blood group “B”. Both are heterozygous. What is the off-springs having phenotype “O”

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

NUMS 2015
Biology
Variation and Genetics
Elimination Tool:

Lungs are covered with double layered thin membranous sac called

The genome of viruses is composed of

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

Tobacco plants, resistant to a nematode, have been developed by the introduction of DNA that produces (in the host cells):

PMC Practice 11
Biology
Biotechnology
Elimination Tool:

Which of the following is included in Bryophytes?

NTS 2011
Biology
Kingdom Plantae
Elimination Tool:

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

NUMS 2019 Reconduct
Biology
Kingdom Fungi
Elimination Tool:

The chemical nature of an antibody is:

NUMS 2016
Biology
Transport
Elimination Tool:

Female rabbits are:

NUMS 2014
Biology
Reproduction
Elimination Tool:

The name animal is derived from the word.

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:

In animals excess of nitrogen is excreted primarily in form of

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

PMC Practice 9
Biology
Growth and Development
Elimination Tool:

Sertoli cells

Neurotransmitters trigger action potential in the postsynaptic neuron by changing the permeability of certain _________.

NUMS 2019 Reconduct
Biology
Coordination and Control
Elimination Tool:

Reactive parts of an amino acid are:

NUMS 2015
Biology
Biological Molecules
Elimination Tool:

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

NUMS 2019 Reconduct
Biology
Cell Structure and Function
Elimination Tool:

The leaf is bilobed with midrib between them. The plant is

The egg-laying birds are called:

NUMS 2016
Biology
Reproduction
Elimination Tool:

Restriction endonucleases

PMC Sample 2
Biology
Enzymes
Elimination Tool: