Which of the following statements is a correct distinction between autotrophs and heterotrophs?

PMC Practice 7
Biology
Kingdom Plantae
Elimination Tool:

Which of the following concepts is attributed to Lamarck?

NUMS 2014
Biology
Evolution
Elimination Tool:

The term “Loss of appetite” refers to disease:

NUMS Mock 3
Biology
Nutrition

An individual has an additional sex chromosome. Which syndrome does he have?

NUMS 2014
Biology
Chromosomes and DNA
Elimination Tool:

Diameter of an artery can be changed by:

NUMS 2015
Biology
Coordination and Control
Elimination Tool:

In the Hardy – Weinberg principle,p2 + 2pq + q2= ?

NTS 2016 SMBBMC
Biology
Evolution
Elimination Tool:

The favourite host cells of the HIV-Virus are:

NUMS 2014
Biology
Transport
Elimination Tool:

Restriction endonucleases

PMC Sample 2
Biology
Enzymes
Elimination Tool:

The sexually transmitted disease, that can affect both the male and the female genitals and may damage the eyes of babies born of infected mothers is:

PMC Sample 1
Biology
Reproduction
Elimination Tool:

Active site of Rubisco is evolved to bind

Which of the following cell organelles involved in the synthesis of cell wall and middle lamella?

PMC 2020
Biology
Cell Structure and Function
Elimination Tool:

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

PMC Practice 3
Biology
Kingdom Prokaryote
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:

Disease in living organisms caused by parasites is called

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

NTS 2019
Biology
Reproduction
Elimination Tool:

Which of the following characters of pea plant is dominant?

Based on molecular data euglenoids are thought to be closely related to

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

NUMS 2015
Biology
Variation and Genetics
Elimination Tool:

Thick, waxy & leathery cuticle around leaves is present in

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

NUMS 2017
Biology
Biological Molecules
Elimination Tool:

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:

When the temperature of the surrounding environment rises, body responds by:

PMC 2020
Biology
Homeostasis
Elimination Tool:

Water constitutes –% of body weight?

Which of the following statement about neuron is incorrect?

Minerals salts enter a plant largely through its:

NTS 2015 SMBBMC
Biology
Transport
Elimination Tool:

Those fungi which can grow only on their living host and cannot be grown on available defined growth culture medium e.g. various mildews and most rust species are called?

PMC Sample 2
Biology
Kingdom Fungi
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

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

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?

NUMS Mock 4
Biology
Evolution

The name Bacteriophage was coined by:

DNA has a helical shape with the diameter of

During cell division, the spindle fibres get attached to condensing chromosome at a highly differentiated region. This region is called as:

NTS 2019
Biology
Cell Cycle
Elimination Tool:

Many _______ expel a large amount of water by special structures called contractile vacuoles:

NUMS 2020
Biology
Support and Movement
Elimination Tool:

In plants which of the following is a waste product produced both during photosynthesis and respiration

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?

NTS 2016 SMBBMC
Biology
Variation and Genetics
Elimination Tool:

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:

Which of the following is NOT a viral disease?

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

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

Humans are:

NUMS 2016
Biology
Homeostasis
Elimination Tool:

Interphase of meiosis lacks

The primary oocyte in mammals has which of the following structures around it:

NUMS 2014
Biology
Reproduction
Elimination Tool:

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

NUMS Mock 3
Biology
Coordination and Control

In 1959, Koshland proposed which of the following?

PMC Practice 1
Biology
Enzymes
Elimination Tool:

The cells in our body are all genetically identical, apart from the:

PMC 2020
Biology
Growth and Development
Elimination Tool:

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

PMC Sample 2
Biology
Growth and Development
Elimination Tool:

Which one of the following types of cell are found in secondary xylem of angiosperms?

NTS 2015 DUHS and JSMU
Biology
Kingdom Plantae
Elimination Tool:

The length of okazaki fragments in eukayotes is

Pathway of energy used by muscles converted from food is:

NUMS Mock 3
Biology
Bioenergetics
Support and Movement

If lipopolysaccharides did not appear in the wall of bacteria on staining then it will be known as ________.

UHS 2018
Biology
Kingdom Prokaryote
Elimination Tool:

Steroids consist of _____ 6 membered carbon rings and one 5 membered carbon ring.

NTS 2012
Biology
Biological Molecules
Elimination Tool:

Vegetative roots and shoots grow by

A/An ______ is an organism that makes ATP by aerobic respiration if oxygen is present, but is capable of switching to fermentation if oxygen is absent.

NUMS Mock 4
Biology
Nutrition

The scientific name of potato is Solanum tuberosum and that of brinjal is Solanum melongena. This indicates that both potato and brinjal are members of the

NTS 2014
Biology
Kingdom Plantae
Elimination Tool:

If we cross round (RR) seeded plants with wrinkled (rr) seed plant, and get F1 round seeded. In F2 generation, what will be genotypic ration of plants try Punnett square method?

NUMS 2019 Cancelled
Biology
Variation and Genetics
Elimination Tool:

Drug obtained from fungus used for lowing blood cholesterol is

UHS 2010
Biology
Kingdom Fungi
Elimination Tool:

The shape of the tobacco mosaic virus is:

NUMS 2016
Biology
Bio-diversity | Variety of Life
Elimination Tool:

The human cells affected in HIV are which of the following?

PMC Sample 1
Biology
Reproduction
Elimination Tool:

Microcephaly, the small sized skull is due to:

NUMS 2016
Biology
Growth and Development
Elimination Tool:

Bacteriophages, or phages are also known as:

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

_________ is the exact position of a gene on the chromosome.

NUMS Mock 3
Biology
Chromosomes and DNA

Carbohydrates, fats & proteins are essential for:

Chromosome is made of

Which of the following has oxygenated blood?

NUMS 2014
Biology
Transport
Elimination Tool:

Which of the following processes does NOT need Pyruvic Acid as a substrate?

NUMS Mock 2
Biology
Bioenergetics

Lymph nodes are not present:

NUMS 2020
Biology
Coordination and Control
Elimination Tool:

Synaptonemal complex helps in:

NUMS 2014
Biology
Cell Cycle
Elimination Tool:

Bac

T-Lymphocytes are matured in thymus glands and they are produced in:

NUMS 2016
Biology
Transport
Elimination Tool:

Ureter open into the urinary bladder through:

NUMS 2018
Biology
Homeostasis
Elimination Tool:

What is the size of Parvovirus?

NUMS Mock 4
Biology
Bio-diversity | Variety of Life

Which type of sensory structures carrying the touch sensations are present in papillae extending into ridges of the fingertips?

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

Sequence of changes in community and its non-living environment over a period of time is

The optimum pH of catalase is:

NUMS 2018
Biology
Enzymes
Elimination Tool:

The inner membrane of mitochondrion has many infoldings into the inner chamber, these folding are called as:

NUMS 2019 Reconduct
Biology
Bioenergetics
Elimination Tool:

The voice box leads to the trachea which is also called

PMC Practice 1
Biology
Gaseous Exchange
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.

Which of the following individuals are heterozygous for hemophilia:

NTS 2010
Biology
Variation and Genetics
Elimination Tool:

A bacteriophage consists solely of:

NTS 2011
Biology
Bio-diversity | Variety of Life
Elimination Tool:

Overgrazing results in:

NUMS 2019 Cancelled
Biology
Man and His Environment
Elimination Tool:

Archaeopteryx is a connecting link between:

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool:

Dietary fiber passes through to several structures after leaving the stomach. In which order does the dietary fiber pass through the structures?

NTS 2015 DUHS and JSMU
Biology
Nutrition
Elimination Tool:

In the commercial manufacture of insulin, a human gene is inserted into which one of the following?

NTS 2013
Biology
Biotechnology
Elimination Tool:

Glomerulus in kidneys is made up of:

NUMS 2019 Reconduct
Biology
Homeostasis
Elimination Tool:

Deamination in the liver initially produces:

NTS 2010
Biology
Homeostasis
Elimination Tool:

Ecosystem of Shogran is

In fatty liver the fat contents are:

NUMS 2014
Biology
Nutrition
Elimination Tool:

Pick the correct option about Drosophila.

NUMS Mock 3
Biology
Variation and Genetics

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

Solanum tuberosum is a scientific name of:

The total number of genes present in a particular population, at a particular time is called:

NUMS 2019 Cancelled
Biology
Variation and Genetics
Elimination Tool:

Molecular formula of chlorophyll ‘a’ molecule is: