Abscisic acid promotes flowering in short day plants and inhibits in long day plants, which of the following is antagonistic to abscisic acid in terms of flowering:

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:

Coniferous forests located at high altitude are called

Haploid and monoploid numbers of chromosomes of hexaploid wheat are:

NTS 2014
Biology
Chromosomes and DNA
Elimination Tool:

Which of the following is the respiratory surface in human beings?

PMC Practice 3
Biology
Gaseous Exchange
Elimination Tool:

What is the risk of color blind baby boy in a family when mother is color blind but father is normal?

NUMS 2019 Cancelled
Biology
Variation and Genetics
Elimination Tool:

Linked genes with closer loci ______ Mendel’s law of independent assortment as they _____ assort independently.

NUMS 2019 Reconduct
Biology
Variation and Genetics
Elimination Tool:

Which of the following is a chemical link between catabolism and anabolism?

Of the following, which one is missing in herbivores?

In an experiment, the production of hormone secretin was blocked. As a result, levels of all of the following enzymes were affected EXCEPT:

NTS 2014
Biology
Coordination and Control
Elimination Tool:

Study of human population and things that affect them is

Which vertebrae together are called pelvic vertebrae?

NUMS Mock 2
Biology
Support and Movement

Synthesis of microtubules increases in:

UHS 2018
Biology
Cell Cycle
Elimination Tool:

It is a method for rapid production of a very large number of copies of a particular fragment of DNA:

PMC 2020
Biology
Biotechnology
Elimination Tool:

What part of the brain integrates sensory information such as pain and temperature?

NUMS Mock 2
Biology
Coordination and Control

Which of the following are found in both arteries and capillaries?

NTS 2015 SMBBMC
Biology
Transport
Elimination Tool:

Female rabbits are:

NUMS 2014
Biology
Reproduction
Elimination Tool:

Vaccines for all of these have been developed EXCEPT:

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

Whone is not the function of endoplasmic reticulum?

As pH of blood decreases, H+ ions increases, which combine the proteins part of hemoglobin, to decrease its ability to bind with:

NUMS 2017
Biology
Gaseous Exchange
Elimination Tool:

The excretion of hypertonic urine in humans is associated best with the:

PMC 2020
Biology
Homeostasis
Elimination Tool:

Endoskeleton is secreted by:

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

NTS 2014
Biology
Coordination and Control
Elimination Tool:

In cell fractionation various components of cells including its organelles can be isolated in different layers depending upon:

Antibodies are

NUMS 2019 Cancelled
Biology
Biological Molecules
Elimination Tool:

Which organism has wings with claws?

NUMS 2015
Biology
Kingdom Animalia
Elimination Tool:

Mutations can occur in:

NUMS 2016
Biology
Chromosomes and DNA
Elimination Tool:

In DNA A.

The _____ may be a cell, neuron ending or an organ that receives the stimulus.

NUMS 2019 Reconduct
Biology
Coordination and Control
Elimination Tool:

On land, frogs are:

NUMS 2014
Biology
Coordination and Control
Elimination Tool:

Both radial and bilateral symmetry is found in the phylum

Joints found at the vertebrates are:

NTS 2014
Biology
Support and Movement
Elimination Tool:

Now-a-days every newborn gets regular shots of vaccine for polio. It contains _________ for polio to make a child immune against this disease.

NUMS Mock 4
Biology
Bio-diversity | Variety of Life

Aschelminthes is also known as

Extreme change in pH results in:

In cats, the genes controlling coat-color are co-dominant (incompletely dominant) and are carried on the X chromosomes. When a black female was mated with a ginger male the resulting litter consisted of black male and tortoise-shell female kittens. What phenotypic ratio would be expected in the F2 generation?

NTS 2012
Biology
Variation and Genetics
Elimination Tool:

Treponema pallidum causes:

NUMS 2016
Biology
Reproduction
Elimination Tool:

The element in basic structure of proteins which differentiate them from carbohydrates is?

NUMS Mock 1
Biology
Biological Molecules

The ability of an individual to pass on its phenotype to future generations is known as:

NUMS Mock 1
Biology
Variation and Genetics

Photophosphorylation takes place in the _____ of the chloroplasts:

PMC 2020
Biology
Bioenergetics
Elimination Tool:

When the liver fat content of our body increases, the condition leads to:

NUMS 2014
Biology
Nutrition
Elimination Tool:

In sexual reproduction, plants have diplohaplontic life cycle with alternating

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

NUMS Mock 4
Biology
Enzymes

Which of the following is included in Bryophytes?

NTS 2011
Biology
Kingdom Plantae
Elimination Tool:

Fungi whose growth is favored by fire is called:

NTS 2016 SMBBMC
Biology
Kingdom Fungi
Elimination Tool:

Most fossils are found in the

Genetic information in the DNA is encoded as:

NUMS Mock 1
Biology
Chromosomes and DNA

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

PMC Sample 1
Biology
Reproduction
Elimination Tool:

The mechanism of regulation, generally between organism and its environment, of solutes and the gain and the loss of water is called

The region of the chromosome or, more specifically, the length of the DNA molecule, which has a particular function is called _______.

NUMS Mock 2
Biology
Chromosomes and DNA

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

PMC 2020
Biology
Biotechnology
Elimination Tool:

Restriction endonucleases

PMC Sample 2
Biology
Enzymes
Elimination Tool:

How many genes control Rh blood group system?

DNA made by joining pieces from two or more different sources:

NUMS Mock 3
Biology
Biotechnology

As an excretory organ, liver:

PMC 2020
Biology
Homeostasis
Elimination Tool:

Egg-Laying mammals are called:

NUMS Mock 3
Biology
Reproduction

Which of these cycles operate in human females?

PMC Sample 2
Biology
Reproduction
Elimination Tool:

Which of the following describes an ecological niche?

NTS 2015 SMBBMC
Biology
Man and His Environment
Elimination Tool:

Thyroid gland requires high amount of:

NUMS 2016
Biology
Coordination and Control
Elimination Tool:

Annual rainfall in grass land i

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

First restriction enzyme was isolated by

What type of virus is the smallpox virus?

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

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:

The most important cause of many of the respiratory disorders is:

NUMS 2019 Cancelled
Biology
Gaseous Exchange
Elimination Tool:

______ is the reconstruction of the lost part of the body.

NTS 2012
Biology
Growth and Development
Elimination Tool:

Dark reaction of photosynthesis takes place in _______ of chloroplast.

NUMS 2020
Biology
Bioenergetics
Elimination Tool:

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

NUMS 2015
Biology
Gaseous Exchange
Elimination Tool:

The directional movement toward or away from the stimulus is called:

PMC 2020
Biology
Coordination and Control
Elimination Tool:

Which of the following statements correctly describes homologous chromosomes?

NTS 2016 DUHS & JSMU
Biology
Chromosomes and DNA
Elimination Tool:

Protein layers which are NOT continuous on the surface make ________ percent of total in plasma membrane.

NUMS 2019 Cancelled
Biology
Cell Structure and Function
Elimination Tool:

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

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

Pancreas produces secretory granules that help in digestion. These granules after passing through endoplasmic reticulum are pinched off from ______ surface of Golgi apparatus:

Which of the following bacteria possesses a spherical shape?

PMC Practice 4
Biology
Kingdom Prokaryote
Elimination Tool:

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

The disease caused by nutritional deficiency is:

NTS 2018
Biology
Biological Molecules
Elimination Tool:

Drug obtained from fungus used for lowing blood cholesterol is

UHS 2010
Biology
Kingdom Fungi
Elimination Tool:

A technique in transgenic animals in which desired gene is inserted into the eggs of animal is called:

UHS 2015
Biology
Biotechnology
Elimination Tool:

Pick the correct option about Drosophila.

NUMS Mock 3
Biology
Variation and Genetics

The word Archaeobacteria (a division of bacteria) derived from Greek means

A group of interbreeding individuals belonging to a particular species and sharing a common geopraphic area is called?

PMC Sample 1
Biology
Evolution
Elimination Tool:

The structure which prevents the entry of food particles into the respiratory passage is:

NUMS 2019 Cancelled
Biology
Nutrition
Elimination Tool:

Lymph nodes are not present:

NUMS Mock 1
Biology
Coordination and Control

Hybrid black Guinea pigs are crossed with each other. The resulting offsprings will be:

NUMS 2016
Biology
Variation and Genetics
Elimination Tool:

Three word equations are shown:

P. Carbon dioxide + water gives glucose + oxygen

Q. Glucose + oxygen gives carbon dioxide + water

R. Glucose gives alcohol + carbon dioxide

What is / are the equations for anaerobic respiration in yeast?

NTS 2015 SMBBMC
Biology
Bioenergetics
Elimination Tool:

A plant disease which is not caused by a fungus is:

NUMS 2015
Biology
Kingdom Fungi
Elimination Tool:

Amoeba belongs to which kingdom:

Immediate source of energy for cellular respiration is:

NUMS 2016
Biology
Bioenergetics
Elimination Tool:

Autophagosomes are

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