The disease in which patients passed urine that rapidly turned black on exposure to air is called:

NTS 2011
Biology
Homeostasis
Elimination Tool:

Glucose and fructose join together through _____ to form sucrose.

NUMS 2019 Reconduct
Biology
Biological Molecules
Elimination Tool:

The substrate binds to specific region of enzyme called?

PMC Sample 1
Biology
Enzymes
Elimination Tool:

A group of biologically active molecules formed from amino acids which interact with the surface of the lipid bilayer of cell membranes are called:

NUMS Mock 3
Biology
Biological Molecules

Which of the following is correct in humans?

NUMS 2015
Biology
Reproduction
Elimination Tool:

Cyanobacteria help in nitrogen fixation because they have:

PMC 2021 Tested
Biology
Kingdom Prokaryote
Elimination Tool:

The system involved in preparing our body in condition of stress and emergency:

NUMS Mock 2
Biology
Coordination and Control

Plants of this group are called ferns:

NUMS 2017
Biology
Kingdom Plantae
Elimination Tool:

The function of a cell wall in prokaryotes is:

PMC Practice 1
Biology
Kingdom Prokaryote
Elimination Tool:

What was the source of hydrogen for first photosynthetic organisms?

The disease caused by Protozoal infection is:

NTS 2018
Biology
Kingdom Protista
Elimination Tool:

A substance which binds at the active site of the enzyme but does not result in the formation of the products is called:

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

Different species of plants and animals living in the same habitat is called :

Diameter of DNA double helix is:

NUMS 2015
Biology
Chromosomes and DNA
Elimination Tool:

Histones have abundance of amino acids

Those organisms which can prepare their own food from simple inorganic material and can store energy are called

In roots, the apoplast pathway of water is disrupted when water reaches:

PMC 2020
Biology
Transport
Elimination Tool:

The Porifera are pore – bearing animals, commonly called:

NUMS Mock 3
Biology
Kingdom Animalia

Unpaired facial bones are:

NUMS 2018
Biology
Support and Movement
Elimination Tool:

A major constituent of contraceptive pills is:

NUMS 2016
Biology
Reproduction
Elimination Tool:

DNA analysis is done to

Egg-Laying mammals are called:

NUMS Mock 3
Biology
Reproduction

The simplest of all bryophytes are

Growth movement caused in response to gravitational stimulus is called:

NTS 2011
Biology
Support and Movement
Elimination Tool:

Species of phylum Platyhelminthes are:

NTS 2011
Biology
Kingdom Animalia
Elimination Tool:

A child with AB blood group who was born to a mother of the genotype IAIA cannot have the father of the genotype:

NUMS 2014
Biology
Variation and Genetics
Elimination Tool:

Four plants are present in different environmental conditions. Plant A is present in a warm climate with continuous rainfall, plant B is present in a cool forest, plant C is present in a warm climate with little breeze, while plant D is present in a warm climate with high wind speed. Which one of the above plants will have the highest rate of transpiration?

UHS 2019
Biology
Gaseous Exchange
Elimination Tool:

Germ layers are formed in which stage of development?

NUMS Mock 2
Biology
Growth and Development

What are the functions of the inter, motor and sensory neurons in a reflex response?

NUMS Mock 4
Biology
Coordination and Control

Which statement is true?

Which type of chlorophyll is found in all types of algae?

NUMS 2015
Biology
Kingdom Protista
Elimination Tool:

Tissue is a

PMC 2020
Biology
Cell Structure and Function
Elimination Tool:

Haploid and monoploid numbers of chromosomes of hexaploid wheat are:

NTS 2014
Biology
Chromosomes and DNA
Elimination Tool:

The cells which play a very important role in developing immunity are:

NUMS 2020
Biology
Transport
Elimination Tool:

Which of the following part of the cell is described as a fluid mosaic?

NUMS Mock 4
Biology
Cell Structure and Function

Inactive enzyme precursors such as pepsinogen for pepsin are called as:

PMC Practice 1
Biology
Enzymes
Elimination Tool:

Which of the following is monohybrid cross

Select a sessile zooflagellate:

NUMS 2020
Biology
Support and Movement
Elimination Tool:

Which of the following is not secreted by thyroid gland?

NTS 2015 SMBBMC
Biology
Coordination and Control
Elimination Tool:

Many substances which are urgently required by the cell while cell absorbs them against the concentration gradient by utilizing energy in the form of:

NUMS 2019 Reconduct
Biology
Bioenergetics
Elimination Tool:

The bacteria can cope in unfavorable condition by producing:

NUMS Mock 4
Biology
Kingdom Prokaryote

Which of the light is mainly absorbed by the plants:

Which substance might include this molecule?

NUMS Mock 4
Biology
Biological Molecules

Hemoglobin carries more oxygen than plasma by:

NUMS Mock 1
Biology
Gaseous Exchange

Which one is the basic element of organic compounds ?

Wood forests form the

In which of the following phases of bacterial growth, is the death rate more rapid than the multiplication rate?

NTS 2016 SMBBMC
Biology
Kingdom Prokaryote
Elimination Tool:

A continuously varying trait is encoded by alleles of two or more different genes located at different loci, all influencing the same trait in an additive way is known as ________.

NUMS 2019 Cancelled
Biology
Variation and Genetics
Elimination Tool:

There are 3 stages of HIV infection, which sequence is correct

PMC Sample 1
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A characteristics features of Echinoderm is:

NTS 2011
Biology
Kingdom Animalia
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:

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

Such inflorescence in which the main axis is elongated and bears sessile flowers is called:

NUMS 2015
Biology
Kingdom Plantae
Elimination Tool:

Sertoli cells

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

NUMS 2019 Reconduct
Biology
Gaseous Exchange
Elimination Tool:

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

PMC Practice 5
Biology
Biotechnology
Elimination Tool:

Crossing over takes place during _____ of meiosis.

UHS 2018
Biology
Cell Cycle
Elimination Tool:

Which one of the following is a fish?

NUMS Mock 3
Biology
Kingdom Animalia

Which is a feature of malignant tumor?

Desert ecosystem of Mianwali is

Mating with non-relatives is known as?

PMC Sample 2
Biology
Evolution
Elimination Tool:

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

NTS 2018
Biology
Bio-diversity | Variety of Life
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

Sphincter muscle in urinary system present near the junction of:

NUMS 2019 Reconduct
Biology
Homeostasis
Elimination Tool:

What is the commercial method of producing millions of seedlings in limited time?

NUMS 2016
Biology
Reproduction
Elimination Tool:

Which of the following is NOT a viral disease?

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

Select a method which causes the oxidation of chemical constituent of a bacterial cell:

NUMS Mock 2
Biology
Kingdom Prokaryote

This theory says that “mitochondria and chloroplasts are, in effect, ancient bacteria which now live inside the larger cells”:

NUMS Mock 2
Biology
Evolution

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

NUMS Mock 3
Biology
Chromosomes and DNA

At what phase the DNA content of a cell is doubled?

PMC 2020
Biology
Cell Cycle
Elimination Tool:

To overcome infertility, which technique is used?

NUMS Mock 4
Biology
Reproduction

In mosquitoes, the plasmodium is found in?

NTS 2015 SMBBMC
Biology
Kingdom Animalia
Elimination Tool:

Cells of fibers and tracheids elongate during

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

NUMS 2020
Biology
Homeostasis
Elimination Tool:

How are new mitochondria formed by the pre-existing ones?

The cofactor usually acts as “bridge” between:

NUMS 2018
Biology
Enzymes
Elimination Tool:

When was the bacteriophage phenomena rediscovered by D’Herelle?

PMC Practice 4
Biology
Kingdom Prokaryote
Elimination Tool:

Some transgenic bacteria produce a dipeptide sweetener called

What is the role of cholesterol in the cell membrane?

NUMS Mock 4
Biology
Cell Structure and Function

In a marine environment, the ion secreted by the kidney is:

NUMS Mock 1
Biology

Binomial nomenclature was proposed for the first time by:

NTS 2010
Biology
Bio-diversity | Variety of Life
Elimination Tool:

Vibrio cholera is an example of ______ type of bacteria.

NUMS 2017
Biology
Kingdom Prokaryote
Elimination Tool:

Horsetails are included in class

Oyster mushroom is an example of predator fungi which attack on

Enzyme used by the Bacteria to cut the DNA of the invading Virus for its protection is:

UHS 2018
Biology
Biotechnology
Elimination Tool:

Two species can avoid competition and better use the environment’s resources by occupying different ____.

NUMS Mock 4
Biology
Evolution

Milk drinking babies have an additional enzyme called:

NUMS 2016
Biology
Nutrition
Elimination Tool:

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

At the beginning of nuclear division, the number of microtubule triplets in two pairs of centrioles that migrate to opposite poles are:

UHS 2015
Biology
Cell Cycle
Elimination Tool: