Which of the following transport mechanism induces conformational change in protein?

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:

Puccinia is a parasitic:

Autotrophic organisms can exist in an exclusively ______ environment.

In asexual reproduction offspring are produced by

Booklungs serve the function of respiration in:

NTS 2014
Biology
Gaseous Exchange
Elimination Tool:

Which one of the following muscles are considered as “Voluntary muscles”?

NUMS Mock 1
Biology
Support and Movement

It is the smallest eukaryote:

NUMS Mock 2
Biology
Kingdom Protista

Genetically modified plants contain:

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

Which scientist does not match his achievements

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

The nerve center for sight is located in the

NUMS 2014
Biology
Coordination and Control
Elimination Tool:

Pick the correct option about Drosophila.

NUMS Mock 3
Biology
Variation and Genetics

Malonic acid is an example of:

Which statement is not true about phragmoplast?

Which one of the following organelles is required for aerobic respiration?

NTS 2018
Biology
Cell Structure and Function
Elimination Tool:

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

PMC Practice 7
Biology
Kingdom Plantae
Elimination Tool:

Xerophytes have small thick leaves to;

UHS 2019
Biology
Gaseous Exchange
Elimination Tool:

Which of the following is not necessary for PCR to occur?

PMC 2020
Biology
Biotechnology
Elimination Tool:

Reactive parts of an amino acid are:

NUMS 2015
Biology
Biological Molecules
Elimination Tool:

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?

NUMS Mock 4
Biology
Variation and Genetics

Antherozoids the male gamete in bryophytes are attracted towards Archegonium i.e. female sex organ by

Ureter open into the urinary bladder through:

NUMS 2018
Biology
Homeostasis
Elimination Tool:

“Vascular System absent; gametophyte dominant, sporophyte attached to gametophyte; homosporous” are distinguishing characters of

UHS 2010
Biology
Kingdom Plantae
Elimination Tool:

E. coli and example of entrobacteriace is important for causing diarrheal diseases its size is:

The phytohormones controlling the plant movements are?

NTS 2015 SMBBMC
Biology
Coordination and Control
Elimination Tool:

Which organ(s) in the male reproductive system produce gametes?

NUMS Mock 4
Biology
Reproduction

The substrate binds to specific region of enzyme called?

PMC Sample 1
Biology
Enzymes
Elimination Tool:

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

Despite the structural diversities, ____ are characterized by having a soft body protected by a calcareous shell developing from the mantle layer.

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool:

Glomerulus in kidneys is made up of:

NUMS 2019 Reconduct
Biology
Homeostasis
Elimination Tool:

The fate of each blastomere is foretold. The cleavage will be as

Which of these cycles operate in human females?

PMC Sample 2
Biology
Reproduction
Elimination Tool:

Locus is defined as:

NUMS 2019 Reconduct
Biology
Chromosomes and DNA
Elimination Tool:

Van neil hypothesis about the production of oxygen during phosynthesis was based on the study and investigations on

Which of the following is not an infection of the lungs/respiratory tract?

NUMS 2015
Biology
Gaseous Exchange
Elimination Tool:

Which type of protein structure contains the three dimensional structure?

NUMS Mock 4
Biology
Biological Molecules

A trait whose alleles are present in both males and females but prominent more in one sex than other is a:

NUMS 2016
Biology
Variation and Genetics
Elimination Tool:

Growth of multicellular plants occur in

Tetracycline and penicillins are:

NUMS 2018
Biology
Kingdom Fungi
Elimination Tool:

Population growth is checked by which of the following?

NUMS Mock 3
Biology
Evolution

Which of the following is true in angiosperm life cycle?

NTS 2014
Biology
Kingdom Plantae
Elimination Tool:

Freshwater protozoans pump out excess water by a special structure called:

NUMS 2017
Biology
Kingdom Protista
Elimination Tool:

Cloning is a form of:

NUMS 2016
Biology
Biotechnology
Elimination Tool:

The study of fossils is called:

Kingdom protista includes ______ phyla

Restriction endonucleases

PMC Sample 2
Biology
Enzymes
Elimination Tool:

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

Arteriosclerosis is:

NUMS 2016
Biology
Transport
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:

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

One of the most important cause of desertification is

Genetic equilibrium is a:

NTS 2019
Biology
Evolution
Elimination Tool:

Which of the following is NOT the function of cell membranes?

NTS 2018
Biology
Cell Structure and Function
Elimination Tool:

Which of the following is correct in humans?

NUMS 2015
Biology
Reproduction
Elimination Tool:

The combination of XXY (47) chromosomes results in:

NTS 2012
Biology
Chromosomes and DNA
Elimination Tool:

Which characteristic is not of identical twins

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

PMC 2020
Biology
Enzymes
Elimination Tool:

In plants mitotic apparatus consists of

Sunken stomata are found in:

NUMS 2014
Biology
Homeostasis
Elimination Tool:

Meristems are of

Duration of menstrual cycle is how many days on average?

PMC Sample 1
Biology
Reproduction
Elimination Tool:

Process that supplies food to living things through decaying and decomposition is called

Ribose sugar that is the main part of RNA is a type of _____ sugar.

NUMS 2019 Reconduct
Biology
Biological Molecules
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:

What is the effect of enzyme DNA ligase?

PMC 2020
Biology
Chromosomes and DNA
Elimination Tool:

If the seed is heterozygous yellow (Yy). In a test cross, what will be the probability of appearance of seed colors?

NUMS 2019 Reconduct
Biology
Variation and Genetics
Elimination Tool:

The size of smallest virus is:

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

NTS 2013
Biology
Biotechnology
Elimination Tool:

Reactions in which simple substances are combined to form complex substances are called:

Glucose and fructose join together through _____ to form sucrose.

NUMS 2019 Reconduct
Biology
Biological Molecules
Elimination Tool:

The function of papillary muscles is to:

NUMS 2020
Biology
Transport
Elimination Tool:

75% osmotic pressure of blood is maintained by:

NUMS 2015
Biology
Transport
Elimination Tool:

Select a sessile zooflagellate:

NUMS 2020
Biology
Support and Movement
Elimination Tool:

In asexual reproduction offspring are produced by which of the following?

PMC Sample 2
Biology
Reproduction
Elimination Tool:

Amoeba belongs to which kingdom:

End of earth’ is related to

Natural extrachromosomal circular DNA molecules earrying genes for antibiotic resistance and fertility

The radius and ulna join at the wrist with the _____ small carpal bones.

NTS 2016 SMBBMC
Biology
Support and Movement
Elimination Tool:

Coelom is a cavity lined by:

NUMS 2016
Biology
Kingdom Animalia
Elimination Tool:

How many species of fungi are known till now

Weather refers to

Which of the following is included in Bryophytes?

NTS 2011
Biology
Kingdom Plantae
Elimination Tool:

What is the role of cholesterol in the cell membrane?

NUMS Mock 4
Biology
Cell Structure and Function

Which statement is correct?

_______ organelles are involved in the synthesis of the plant cell wall.

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

Ovulation is induced by ______ hormone secreted by the pituitary gland.

NUMS 2019 Reconduct
Biology
Reproduction
Elimination Tool:

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.

NUMS Mock 3
Biology
Transport

During interphase of the cell cycle, which of the following stage is for duplication of DNA:

NUMS 2019 Reconduct
Biology
Cell Cycle
Elimination Tool: