Temperature of temperate deciduous forests is

Gametes in animals are produced by

In 1959, Koshland proposed which of the following?

PMC Practice 1
Biology
Enzymes
Elimination Tool:

Enzymes work by which of the following?

PMC Practice 1
Biology
Enzymes
Elimination Tool:

______ occurs because natural selection gives some alleles a better chance of survival than others:

PMC 2020
Biology
Evolution
Elimination Tool:

How many species of fungi are known till now

A group of populations that have the potential to interbreed in nature is

Genetically modified plants contain:

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

Some enzymes require the presence of a non protein molecule to behave catalytically. An enzyme devoid of this molecule is called a(n):

NTS 2013
Biology
Enzymes
Elimination Tool:

Leaves of ……….. are used to cure cough and cold in horses.

NUMS 2015
Biology
Kingdom Plantae
Elimination Tool:

At which times there is no net gaseous exchange between leaves and the atmosphere.

A dual organism composed of symbiotic association of an alga living within a fungus myceliium is

Which of the following structure primarily helps in attachment of bacteria on various surfaces?

he only promoter of Leaf’s senescence in the following plant hormones is:

PMC Practice 9
Biology
Coordination and Control
Growth and Development
Elimination Tool:

Spirochaete bacterium Treponema Pallidum causes ______.

NTS 2016 SMBBMC
Biology
Kingdom Prokaryote
Elimination Tool:

Chromosomes are composed of

Pseudocoelom is actually derived from:

NUMS 2016
Biology
Kingdom Animalia
Elimination Tool:

The branch of science dealing with the fossil record is called:

NUMS Mock 2
Biology
Biology and its Major Fields of Specialization

By PCR we mean:

UHS 2018
Biology
Biotechnology
Elimination Tool:

________ are animals that do not adjust their internal osmolality and are isotonic with their environment.

NUMS 2019 Cancelled
Biology
Homeostasis
Elimination Tool:

In chemiosmosis, the proton (H+) moves from _______.

NUMS Mock 4
Biology
Bioenergetics

The type of plastids found in roots of plants are _____.

NUMS Mock 4
Biology
Cell Structure and Function

Study of environmental relations is called:

NUMS 2018
Biology
Man and His Environment
Elimination Tool:

The DNA of the bacterium is present in a distinct region called:

NUMS 2017
Biology
Kingdom Prokaryote
Elimination Tool:

The adaptive feature(s) which help(s) the fish to live in water include(s):

NTS 2014
Biology
Kingdom Animalia
Elimination Tool:

Etioplasts found in plants are actually one of the types of:

NUMS 2015
Biology
Cell Structure and Function
Elimination Tool:

Greenhouse gases are those that:

NUMS 2015
Biology
Man and His Environment
Elimination Tool:

A psychological condition usually seen in girls and young women, with loss of appetite is:

NTS 2011
Biology
Nutrition
Elimination Tool:

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

NUMS 2014
Biology
Nutrition
Elimination Tool:

Numerous opportunist diseases might attack people suffering from the following diseases?

PMC 2020
Biology
Bio-diversity | Variety of Life
Elimination Tool:

Most of the marine invertebrates are

Its membranes are the sites where sunlight energy is trapped and where glucose is formed.

Which organelle is this?

NUMS 2014
Biology
Bioenergetics
Elimination Tool:

Sunken stomata are found in:

NUMS 2014
Biology
Homeostasis
Elimination Tool:

Digestion of which food components starts from the oral cavity?

NUMS Mock 3
Biology
Nutrition

Germ theory of disease has ______ postulates

Diseases in living organisms which are caused by parasites are called:

NUMS 2016
Biology
Bio-diversity | Variety of Life
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

Conversion of ammonium into nitrates is:

UHS 2018
Biology
Man and His Environment
Elimination Tool:

Which of the following has a chain arrangement?

Gaseous exchange in plants takes place through the:

NUMS 2020
Biology
Gaseous Exchange
Elimination Tool:

Antheridia and archegonia are _____ organs in bryophytes.

NUMS Mock 1
Biology
Kingdom Plantae

Pathway of energy used by muscles converted from food is:

NUMS Mock 3
Biology
Bioenergetics
Support and Movement

Process ensuring the survival of species over long periods of time, even though individual members of the species die.

NUMS Mock 2
Biology
Man and His Environment

Phenylketonuria is

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

The only possible treatment in end stage renal failure is:

NUMS Mock 3
Biology

Thick, waxy & leathery cuticle around leaves is present in

The viruses are:

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

These protists are mostly unicellular (a few are colonial) organisms with spherical or elongated bodies with a single central nucleus. They possess from one to many long, whip-like flagella that enable them to move. Flagellates move rapidly, pulling themselves forward by lashing flexible flagella that are usually located at the anterior end. Examples include trypanosome, euglena, etc.

The above give lines indicate which of the following group of protozoa:

NUMS 2017
Biology
Kingdom Protista
Elimination Tool:

In the male reproductive tract, sperm cells follow a specific path. Which of the following do sperm cells enter after traveling through the epididymis?

PMC Sample 2
Biology
Reproduction
Elimination Tool:

Root like structure in saprotrophic fungi are called

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

NTS 2012
Biology
Biological Molecules
Elimination Tool:

Which one forms the raw material for coenzymes?

Red green colour blindness is a sex linked recessive trait. If a colour blind man marries a woman with normal vision whose father is colourblind and they have a daughter, what is the probability that she will be colourblind?

NTS 2015 SMBBMC
Biology
Variation and Genetics
Elimination Tool:

The organs which are similar in function but differ in structure are called:

PMC 2020
Biology
Evolution
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:

The trait “Kernel colour in corn” in controlled by how many pairs of genes

At what point are two populations descending from the same ancestral stock considered separate species?

NTS 2014
Biology
Evolution
Elimination Tool:

During cellular respiration NADH2 produces:

NUMS 2014
Biology
Bioenergetics
Elimination Tool:

In oceans of tropical regions

A group of cells performing same function are known as:

NUMS 2016
Biology
Cell Structure and Function
Elimination Tool:

Taq polymerase is extracted from a bacterium

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

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

NTS 2016 SMBBMC
Biology
Support and Movement
Elimination Tool:

Germ layers are formed in which stage of development?

NUMS Mock 2
Biology
Growth and Development

The male reproductive parts of the flower are called

UHS 2012
Biology
Kingdom Plantae
Elimination Tool:

All of the following are characteristics of kingdom fungi except:

NUMS 2017
Biology
Kingdom Fungi
Elimination Tool:

An area previously supporting life is made barren, the subsequent recolonization is called ______.

UHS 2018
Biology
Man and His Environment
Elimination Tool:

Lecithin is formed by combining phosphatidic acid with ______:

NUMS Mock 1
Biology
Biological Molecules

Booklungs serve the function of respiration in:

NUMS Mock 3
Biology
Gaseous Exchange

A complex substance which on hydrolysis yields polyhydroxy aldehyde or ketone subunits is called:

All of the following are mammals EXCEPT the:

NTS 2017
Biology
Kingdom Animalia
Elimination Tool:

What type of virus is the smallpox virus?

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

Which of the following concepts is attributed to Lamarck?

NUMS 2014
Biology
Evolution
Elimination Tool:

Chalk is gradually formed of dead

Read the passage below to answer the question:

Haemophilia is a disorder in which blood fails to clot. Saad, a male haemophiliac, 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 Haemophilia.

Ahmed, Ali, Ayesha, and Ali all marry normal individuals and have children. None of Ahmed’s or Ali’s children, male or female, display symptoms of haemophilia, but the sons of Alia and Ayesha display symptoms of haemophilia while the daughters of Alia and Ayesha do not.

Which of the following best explains the reason that Ahmed, Ali, Ayesha and Alia do not display symptoms of haemophilia, even though their father, Saad, is a haemophiliac.

NTS 2010
Biology
Variation and Genetics
Elimination Tool:

How are flat worms not similar to round worms?

PMC Practice 4
Biology
Kingdom Protista
Elimination Tool:

Feature of cancer cells in common?

Sertoli cells

An example of competitive inhibition of an enzyme is the inhibition of;

UHS 2019
Biology
Enzymes
Elimination Tool:

Sphincter muscle in urinary system present near the junction of:

NUMS 2019 Reconduct
Biology
Homeostasis
Elimination Tool:

Choose the correct combination:

NUMS 2019 Cancelled
Biology
Evolution
Elimination Tool:

Which of the following describes an ecological niche?

NTS 2015 SMBBMC
Biology
Man and His Environment
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

Living things that would be the first to experience adverse effects if large amounts of carbon dioxide were taken out of the biosphere are:

NTS 2014
Biology
Nutrition
Elimination Tool:

Organs which produce voice in birds is:

NUMS 2016
Biology
Kingdom Animalia
Elimination Tool:

The name animal is derived from the word.

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:

First infectious disease against which effective method of prevention developed was a _______:

NUMS 2020
Biology
Bio-diversity | Variety of Life
Elimination Tool:

Percentage of proteins in cell membrane is

During breathing air from Pharynx enters to:

UHS 2018
Biology
Gaseous Exchange
Elimination Tool:

_____ is activated to ______ by enterokinase / enteropeptidase enzyme secreted the lining of duodenum:

NUMS 2019 Cancelled
Biology
Nutrition
Elimination Tool:

Lactic Acid Fermentation is a type of anaerobic respiration that occurs in human muscle cells. It yields only ____ % of the energy present in a glucose molecule.

NUMS 2019 Reconduct
Biology
Bioenergetics
Elimination Tool:

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

PMC 2020
Biology
Cell Cycle
Elimination Tool:

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

PMC 2020
Biology
Transport
Elimination Tool:

On receiving the news of the sudden demise of a close friend; which is the most probable hormone that is secreted at that time?

NUMS Mock 1
Biology
Coordination and Control