Thick, waxy & leathery cuticle around leaves is present in which of the following?

PMC Sample 2
Biology
Gaseous Exchange
Elimination Tool:

Pili are mainly found on certain species of:

PMC 2021 Tested
Biology
Kingdom Protista
Elimination Tool:

Which of the following bacteria are able to release oxygen into the environment?

NTS 2018
Biology
Kingdom Protista
Elimination Tool:

The major portion of (NH)2CO is secreted by:

NUMS 2018
Biology
Homeostasis
Elimination Tool:

The bond formed when two or more atoms complete their electron shells by sharing electrons is called:

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:

There are ______ stomata per square cm of leaf surface in Tobacco plants.

Encircle the miss – match:

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

The best function of coelom is described as ____.

NUMS Mock 1
Biology
Kingdom Animalia

Which factor decides what type of variation should be flourished and passed on to the next generations?

NTS 2019
Biology
Evolution
Elimination Tool:

Liposomes have/are:

PMC 2021 Tested
Biology
Biotechnology
Elimination Tool:

Photosystems are located in _

Wood forests form the

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

PMC Practice 3
Biology
Kingdom Prokaryote
Elimination Tool:

Resting membrane potential of neurons is _______, while during active membrane potential the inner membrane surface becomes more _____ than the outside.

NUMS 2019 Reconduct
Biology
Coordination and Control
Elimination Tool:

Which of the following is NOT a difference that would allow one to distinguish between a prokaryotic and a eukaryotic cell?

Presence of absence of the nucleus
Presence or absence of the cell wall
Membrane bound versus no membrane bound organelles
NTS 2013
Biology
Cell Structure and Function
Elimination Tool:

Which of the following endoparasites of humans does show viviparity?

NTS 2018
Biology
Kingdom Fungi
Elimination Tool:

70S sized ribosomes are found in the cytoplasm of:

PMC 2020
Biology
Cell Structure and Function
Elimination Tool:

Over-secretion of cortical hormone causes a disease called;

UHS 2015
Biology
Growth and Development
Elimination Tool:

Who coined the term Animalcules for microorganisms like Bacteria and protozoa?

Cell membrane under resting conditions is impermeable to all the ions except

Carbohydrates, fats & proteins are essential for:

Terrestrial animals like kangaroo rat survive even without drinking water since

In which organism males are haploid

Oxygen is transported by combining with ……….. in Hb.

NUMS 2015
Biology
Gaseous Exchange
Elimination Tool:

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

PMC 2020
Biology
Cell Cycle
Elimination Tool:

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:

The wings of the birds and forelegs of a horse are ______ structures.

NUMS Mock 3
Biology
Evolution

Carbon atom is

In human females, oocytes are held in the second metaphase until ________.

NUMS 2019 Reconduct
Biology
Reproduction
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:

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

Ammonia is chief excretory product in:

NUMS 2014
Biology
Homeostasis
Elimination Tool:

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

NUMS 2014
Biology
Reproduction
Elimination Tool:

Of the following which one is most advanced ?

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

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool:

The social organization of howling monkeys was studied by:

NUMS 2014
Biology
Bio-diversity | Variety of Life
Elimination Tool:

Identify the correctly matched pair relating to a term and its meaning/function/example:

NTS 2017
Biology
Kingdom Protista
Elimination Tool:

The diagram represents two liquids, separated by a membrane through which osmosis can occur.

What movement of molecules will occur?

NUMS Mock 3
Biology
Transport

When both the alleles of a gene pair are same, the organism is said to be:

PMC 2020
Biology
Variation and Genetics
Elimination Tool:

Which one of the following forms the blk of exoskeleton of an arthropod?

Oxygen contents per liter of air is

The blood enters the _____ side of heart

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

NUMS 2015
Biology
Kingdom Fungi
Elimination Tool:

All populations within an ecosystem interconnected to one another are known as

All of the followings are the effects of red light on plant, EXCEPT:

NUMS Mock 2
Biology
Growth and Development

A _____ is a junction between two neurons or between a motor neuron and a muscle cell:

PMC 2020
Biology
Coordination and Control
Elimination Tool:

In case of neurons, post mitotic cell escapes cell cycle and remain in _______ phase whthout proliferating further

The technique used for the non-surgical removal of kidney stones is called:

NUMS 2016
Biology
Homeostasis
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?

NUMS Mock 2
Biology
Gaseous Exchange

Exoskeleton of cockroach is made up of:

NUMS 2017
Biology
Kingdom Animalia
Elimination Tool:

Which of the following is not a basic unit of the cell?

NUMS 2016
Biology
Cell Structure and Function
Elimination Tool:

Recombinant DNA contains DNA from

The enzyme found in saliva responsible for the digestion of carbohydrates is:

NUMS Mock 4
Biology
Enzymes

When a physician elicits the knee-jerk reflex by tapping deep tendons in the knee, the normal response is for the lower leg to swing forward. When this happens:

NTS 2013
Biology
Support and Movement
Elimination Tool:

Speed of growth is

A pure breeding plant with the dominant phenotype of character P and the recessive phenotype of character Q was crossed with another pure breeding plant with the recessive phenotype of chracter P and the dominant phenotype of Q. The offspring of this cross were crossed with a double homozygous recessive for P and Q and the following results were obtained:

22 were phenotypically dominant for P and recessive for Q
5 were phenotypically dominant for both P and Q
4 were phenotypically recessive for both P and Q
24 were phenotypically recessive for P and dominant for Q
Which one of the following types of Inheritance is illustrated by these results?

Biology
Variation and Genetics
NTS 2013
Elimination Tool:

The gene which controls the ABO group has how many alleles in an individual?

NUMS Mock 3
Biology
Variation and Genetics

The only possible treatment in end stage renal failure is:

NUMS 2018
Biology
Homeostasis
Elimination Tool:

Which of the following is TRUE about the structure of a typical bacterium?

PMC 2020
Biology
Kingdom Prokaryote
Elimination Tool:

In human gut, chylomicrons are formed by the combination of:

NUMS 2020
Biology
Nutrition
Elimination Tool:

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

NUMS Mock 2
Biology
Bioenergetics

Which of these in an aqueous solution of equal concentration has the lowest pH?

NUMS Mock 4
Chemistry
Carboxylic Acids and its Derivatives

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

PMC 2020
Biology
Biotechnology
Elimination Tool:

Cardiac output is increased by all of the following EXCEPT:

NUMS Mock 2
Biology
Transport

Which one of the following is exclusively marine phylum?

NTS 2015 SMBBMC
Biology
Kingdom Animalia
Elimination Tool:

C6H12O6 + 6O2 ? 6CO2 + 6H20 + ENERGY represents:

The release of droplets of water from hydathodes is called:

PMC 2021 Tested
Biology
Kingdom Plantae
Elimination Tool:

Taq polymerase is extracted from a bacterium

Conversion of ammonium into nitrates is:

UHS 2018
Biology
Man and His Environment
Elimination Tool:

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

NUMS Mock 4
Biology
Evolution

The hormone which controls the uptake of Sodium ions in kidney and its maintenance in blood plasma is:

NUMS Mock 2
Biology
Coordination and Control

Follicle – stimulating hormone, which is produced by the pituitary gland, stimulates the ovaries to produce:

NUMS 2019 Cancelled
Biology
Reproduction
Elimination Tool:

The rate of photosynthesis and respiration may equal one another at what time?

NUMS Mock 4
Biology
Bioenergetics

Which of the following are instant sources of energy in living organisms, like glucose? Their general formula is:

NUMS 2019 Cancelled
Biology
Biological Molecules
Elimination Tool:

Phenotype for both TT and Tt is tall, so the allele T is known as:

NUMS 2019 Cancelled
Biology
Variation and Genetics
Elimination Tool:

Gametes are produced by:

PMC 2021 Tested
Biology
Cell Cycle
Elimination Tool:

The total of all the alleles in a population is called a:

NUMS 2014
Biology
Chromosomes and DNA
Elimination Tool:

In sexual reproduction, plants have diplohaplontic life cycle with alternating

Which of the following statements is true about Savannah?

NTS 2015 DUHS and JSMU
Biology
Man and His Environment
Elimination Tool:

Which one of the following is common to all neurons?

NUMS Mock 3
Biology
Coordination and Control

Growth movement caused in response to gravitational stimulus is called:

NTS 2011
Biology
Support and Movement
Elimination Tool:

Prokaryotes are considered to be evolved

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

Which animals support Darwin’s view of inheritance of desirable variations?

NTS 2019
Biology
Evolution
Elimination Tool:

Human cells maintain concentration gradients across their plasma membranes, such that there is a high sodium concentration outside the cell and a high potassium concentration inside the cell.

Suppose that within the cell membrane are sodium leak channels or carrier proteins. These channels would allow sodium to:

NTS 2017
Biology
Biological Molecules
Elimination Tool:

Complex specialized flagellates living symbiotically in the gut of termites are

Lambda phage is

Total area of the world under cultivation is

Which statement is incorrect?

75% osmotic pressure of blood is maintained by:

NUMS 2015
Biology
Transport
Elimination Tool: